1991 Yamaha. We carry all your Yamaha G1 golf cart parts. Reeds will wear out over time. After I pulled off my carburator, I found one of my two reed valves was broken. Yamaha Outboard Parts. I have a Yamaha 5BS 661 5hp 2 stroke outboard which appears to show all the signs of a broken reed valve. Reed Valve Induction Early versions of the RD Yamahas relied on the simple piston ported 2-stroke engines. I bought a 1978 Yamaha DT400 6 years ago & it has had problems ever since. However, before I do it, is there anything to be gained by checking the reed valves? I know that they've never been checked in the 15 year life of the ski, but I've not often heard of stock reeds going bad. Air filter dirty. This service manual features detailed full-color photographs and wiring diagrams, complete specifications with step-by-step procedures performed and written by a seasoned Yamaha ATV dealer trained. For questions about Yamaha G1-am3 Golf Car 1983, please write a message in the forum. stihl br600 valve problems im a noob here and tried the search function and its not working for me. Then this used 2002 Yamaha Vmax 600 ER could be perfect for you! It has 10,951 miles, and its equipped with a 593 cc 593cc, 3-cylinder, Liquid Cooled, with Case Reed Valve engine. A damaged reed will not cause a backfire, it can do what is known as a lean pop through the intake. 00 Add To Basket. You probably will not run into this type of Reed Valve on motorcycle engines, but you never know. Shop our complete selection of Snowmobile parts and accessories including the Moto Tassinari V-Force 3 Reed Valve - V3141-682A-2. To test and fix possible problems, check out our Small Engine Ignition Systems FAQ. Either way is a problem. Al's Snowmobile Parts Warehouse "Used Parts Are Us" (1964 to present) 3868 Pine Hill Rd Newport, VT 05855 (802) 487-1000 • 24-hour FAX: (802) 487-1015. Information on how to make your own reed spacers from the Sweden. after getting a price of around $400 to replace all four reed blocks (they dont sell just the reeds) i went with. INSIDE JODY'S PERSONAL YZ250 TWO-STROKE BUILD. Like I said biggest indicator is starting and overal performance. Double the reed tip surface over a conventional reed valve design. BEST ANSWER: From my experience with 2 stroke engine ATVs, the symptoms of worn or damaged reed valves were typically very difficult to start engine and / or backfiring through the intake ( carburetor). Results for "websitesub:"Choke Solenoids, Primer Solenoids, and Enrichener Valves"" SKU ↑ SKU ↓ Available ↑ Available ↓ Price ↑ Price ↓ Title ↑ Title ↓ « 1 2 ». q - Retainer, Check Valve r - Check Valve s - Check Valve Rubber Disc t - Check Valve Assembly. 2005 mxz x 800 HO boyesen reed valve hi a want tu place boyesen reed valve on my sled and a got a 800 ho powertech some tell me tu let the spacer between the reed and the cylinder and some tell me that i have to remove it and put the reed direct on the cylinder without the spacer. Beyond about 5 years, they generally need to be replaced. More valves equals more power by creating: More Air Flow. Any problem in the fuel, compression, or ignition systems, for example, can cause poor starting and loss of power. Reed Valve and Block - Yamaha PW80. This has two major benefits: 1) The reed petals only travel half the distance as a conventional reed valve design to get the same airflow. I'm from Indonesia. Features may include: Engine Two-Stroke Power 249cc liquid-cooled reed-valve-inducted two-stroke engine is lightweight, compact and features an incredibly wide, hard-hitting powerband. BEST ANSWER: From my experience with 2 stroke engine ATVs, the symptoms of worn or damaged reed valves were typically very difficult to start engine and / or backfiring through the intake ( carburetor). My question is that I have had 4 Johnson/Evinrude outboards from the mid 80s to the early 90s and they have all been bulletproof. Nice job Yamaha. The reed valve bolt pattern on the J-17 engine is 2 1/4" across the top bolts and 1 7/8" down the sides of the plate. & the diffrence of reed valve power can be compared in localy made QingQi rikshaws which are usualy powered by 100 CC motorcyles & Suzuki's 100 CC 2 Stroke bikes are famous for that purpose. You've heard the expression "choose wisely. Lots of people are led (wrongly) down the path of chopping off all the rubber moulding that enters the reed cage, myself I just chopped some off and left some on as it is used to direct the fuel air cleanly to the reedsthis is what I did. To view more specifications, visit our Detailed Specifications. The suspension had longer travel and the rear swing was now of aluminum. More flow though the inlet system for better throttle response and more punch out of the corner. Yamaha's 2-stroke power-valve problem: please read and post opinions/experiences If you own a 2-stroke Yamaha PWC with exhaust power-valves and you have done any. Aprilia RS125 Italkit Adjustable Pneumatic Power Valve Italkit Adjustable Power valve for the RS125. An excellent example of the track-to-trail technology transfer that drove snowmobile development hard and fast during the vintage era, the new 1976 Exciter was basically a '75 GPX Stock racer with a fan-cooled engine to appeal to the many riders who didn't believe in free-air power for trail use. This has two major benefits: 1) The reed petals only travel half the distance as a conventional reed valve design to get the same airflow. The largest reason for this increase is a larger W reed valve with two reed blocks in parallel, doubling the reed valve area, and new cylinder porting. Harley Davidson Reed Valve found in: Columbia / Harley Davidson Reed Valve Leaf (Fits 1967-1981), This Buggies Unlimited OEM replacement part has been developed to meet or even exceed the manufacturer's original equipment. I've seen some topics about reed valves and power valves, does the yamaha have both? or just reed valves? Are dirty valves my problem?. Float valve check/replace, check/adjust float level. Problem fixed: replacing reed valves. Intake Manifold w/ Reed Valve for 2 Stroke 50cc Yamaha Jog Vino Moped Scooter See more like this SPONSORED BBR Tuning Gas Bike Complete DIO Racing Cylinder & Reed Valve w/ OKO Race Carb. Reed valves going bad can be difficult to diagnose as the symptoms can often be mistaken for problems. Their design was to place the reed in the intake, just ahead of the carburetor, known as piston port reed valve. Athena is the sole distributor of Boyesen products all over Europe. Full of great clutching combinations by Turk and other Yamaha owners including some jetting specs for the set ups. Reed Valve Induction Early versions of the RD Yamahas relied on the simple piston ported 2-stroke engines. The recirc's Will cause this problem on your motor, with bad recirculation check valves fuel will puddle behind the reed boxes and when you throttle up the extra fuel will make the motor flood and die. Poor performance and bogging are indicators of a worn out reed valve. I'll have a look at the reed valves first so we can rule that out as a problem or fix it if it is a problem. listen to it, and he said he thought it was the reed valve in the air induction system. Prevents fuel from returning back to the tank and keeps it in the line. Moto Tassinari Inc. It does sound like there is an air leak. The hesitation in the engine due to failing reed valves can be very frustrating as the power is simply not available when needed. I have a Yamaha 5BS 661 5hp 2 stroke outboard which appears to show all the signs of a broken reed valve. V-FORCE 4R HIGH PERFORMANCE REED VALVE SYSTEM YAMAHA 2005-2019 - DBYACC563487. There is a huge range of aftermarket parts available for the Yamaha Road Star now and quite a few of them are much better than Yamaha’s own. If you press the gas and all it seems to do is maybe Idle, the problem is the reed valves. I bought a 1978 Yamaha DT400 6 years ago & it has had problems ever since. This is one of the few valve types that react to pressure rather than vacuum. 1" APPROXIMATE DRY WEIGHT, 525 LBS, ski only trailer adds additional weight. Reed valves going bad can be difficult to diagnose as the symptoms can often be mistaken for problems. The problem is the. If a valve is just a bit tight, it can leak a bit after things warm up and expand. weird idle on my 1996 baja jet boat 120 hp ,,, found reed valves burnt ,, replace reed valve set ,, runs great. I tried to devise a makeshift replacement from a different size reed by cutting it down. Get the latest Specifications for Yamaha RT 180 1990 Motorcycle from mbike. 2-stroke dirt bike problem. Reed design increases reed life. Description Vforce 3/4 Reed Valve Gasket for KTM, Husaberg, Husqvarna. Do you need Yamaha RZ350 Motorcycle repair information? This 240 page, printed and bound 1984 – 1985 Yamaha RZ350 Manual provides detailed service information, step-by-step repair instruction and maintenance specifications for 1984 and 1985 Yamaha RZ350 two-stroke motorcycles. 2004 Yamaha WaveRunner® GP 800R pictures, prices, information, and specifications. But the most significant change was the new top-end in 1995, with a new power valve that looked like a huge tumor on the side of the motor. This has two major benefits: 1) The reed petals only travel half the distance as a conventional reed valve design to get the same airflow. We offer the lowest price online and ship your order right to your home or business FAST. Parts usually ship out the same day. 99 V Force 3 Reed Valve Kit Yamaha Yz250 78-82 Yz400 1979 Yz490 82-83 Yz465 1980-81. primarily for use by Yamaha deal-ers and their qualified mechanics. Wisdom Regarding Reed Valves. Pete ensures all of the gaskets he sells are made from top quality materials to maximize performance. This has been proven by Ian O'Hara at Oran Park where he is the current holder of the Stock 100 lap record and it must be remembered that Oran Park is. you should try which method that's best for your bike. narrowed it down to the #4 cylinder the same waypulling plug wires. Then this used 2002 Yamaha Vmax 600 ER could be perfect for you! It has 10,951 miles, and its equipped with a 593 cc 593cc, 3-cylinder, Liquid Cooled, with Case Reed Valve engine. It is the correct 4 bolt pattern for these models:. Description on how to clean your Power Valves by Yamahaulic. I have a Yamaha G1, 81 or 82. Reed Valve Diagnosis. Yamaha didn't fix that problem. Clymer Yamaha IT125-490 1976-1986 repair manual is written specifically for the do-it-yourself enthusiast. Most technicians will suspect a problem with the reed valves only after they have exhausted all other potential problems. primarily for use by Yamaha deal-ers and their qualified mechanics. The stiffer, bottom reed is ported to provide maximum flow and horsepower at higher RPMs. Bad reed symptoms If this is your first visit, be sure to check out the FAQ by clicking the link above. You probably will not run into this type of Reed Valve on motorcycle engines, but you never know. He rebuilt the carbs and still could not get it to rev past 1500RPM under a load. The air cut-off valve is controlled by the signals from the ECU in accordance with the combustion conditions. & the diffrence of reed valve power can be compared in localy made QingQi rikshaws which are usualy powered by 100 CC motorcyles & Suzuki's 100 CC 2 Stroke bikes are famous for that purpose. If you are down 500 rpm you are down a cyl. Bolt NOTE: Tighten the bolts in the proper sequence Reed valve plate as shown. Should be ordered as a set of one reed-petal set per reed block. Bike: 2007 R1 purchased in December 2006 Mileage: ~17,500 Problem: Makes a sort of slapping sound for 2-3 seconds on startup. I wanted those because each reed cage has twice the reed opening area as factory cages. Although comparatively new to the market place in reed valve production, we have 35 years experience in modifying outboards and cutting reed valves. Information on how to make your own reed spacers from the Sweden. Yamaha Power Valve System Patented YPVS™ combines crisp, hard-hitting bottom-end acceleration with strong midrange and eye-opening top-end. Hope you guys like this post about 2019 Yamaha YZ85 Motocross Motorcycle For Sale Prices Specs Features Images but if you have any problem regarding this post, then please comment for us we will try to solve it. Information on how to make your own reed spacers from the Sweden. Reed design increases reed life. BEST ANSWER: From my experience with 2 stroke engine ATVs, the symptoms of worn or damaged reed valves were typically very difficult to start engine and / or backfiring through the intake ( carburetor). primarily for use by Yamaha deal-ers and their qualified mechanics. 2005 mxz x 800 HO boyesen reed valve hi a want tu place boyesen reed valve on my sled and a got a 800 ho powertech some tell me tu let the spacer between the reed and the cylinder and some tell me that i have to remove it and put the reed direct on the cylinder without the spacer. The ddt won't tell you directly if you have mechanical problems or a fouled plug, but it will let you shut down individual cylinders to see how much each is contributing, if the rpm does not drop when you kill a cylinder, that cylinder is not performing. It's purpose is to inject air into the exhaust system at the exhaust valve to reduce hydrocarbons. We have 2 Yamaha MX825 manuals available for free PDF THE REED VALVE 85. With it came the usual go faster trade and before too long Yamaha shops all over the UK were selling racing reed valves, S&B filters and micron exhausts. This Golf Cart Reed Valve Gasket has a specific design to ensure a perfect fit and correct operation for superior quality that you can trust. The body of the compressor contains a sintered iron insert that acts as a cylinder. com! 2-stroke, Reed valve. Poor performance and bogging are indicators of a worn out reed valve. Nice job Yamaha. Description. Genuine Moto Tassinari carbon fiber replacement reed petals for your existing VForce Delta 2 reed valve system. Reed valves are not uncommon on 2-stroke motors (my outboards have them). 12mm Fuel One Way Valve Petrol Diesel Non Return Check Valve for Carburettor Low Pressure Ruel Systems Features: Made of high quality material, durable, for long time use. Been reading alot of comments on Reed valves and removing the oil pump. This kit is every gasket needed for installation of an SBT short block, following our installation guidelines. This Yamaha Vmax 600 ER may not be available for long. Solving many of the problems with reed valves includes eliminating other issues that could cause failures. The cylinder head seals to that insert by way of an o-ring. I tried to devise a makeshift replacement from a different size reed by cutting it down. It is the successor to the MCV system that was on the earlier models. Carbon Fiber Reeds For Intake Reed Valve. When there is a vacuum, the diaphragm is pulled inward and the post on the diaphragm pushes on the metering valve lever. Although comparatively new to the market place in reed valve production, we have 35 years experience in modifying outboards and cutting reed valves. Leaning the bike over and waiting for fuel from the overflow and then kicking is not a solution, it's just another indicator that you have a problem with fuel delivery. Gravely 08201220 - MX825v - EFI Exploded View parts lookup by model. Reed Valve and Block - Yamaha PW80. At high power/rpms you can cause an effect known as Reed Flutter. VForce Reed Description: The VForce 3 Reed valve includes a double cage design for additional flow at all RPM's. 2019 Yamaha YZ85. Reeds can either be plastic or metal. It is EASY and FREE. One problem that Yamaha is concerned with is high rpm valve flutter. Anyway, I'm very happy with how much better my engine runs. Moto Tassinari is the manufacturer of the VForce4 and VForce3 reed valve systems for two-strokes. Most common issue is the reeds crack, break off little chunks, whole pedals or warp and no longer lie flat. net is one of the largest Yamaha Marine parts retailers in the U. Scooter does not turn over. 11 hours ago · People will say they’ve seen three-wheel motorcycles before, but the Yamaha Niken is a step ahead of what’s been seen commercially, in design and execution. An excellent example of the track-to-trail technology transfer that drove snowmobile development hard and fast during the vintage era, the new 1976 Exciter was basically a '75 GPX Stock racer with a fan-cooled engine to appeal to the many riders who didn't believe in free-air power for trail use. Lambretta Inlet manifold, large block, MB Shorty reed valve (block) assembly kit, 6 petal, flange adaptor type, Mikuni 35mm TMX, MB MRB0831K This is a complete MB Shorty Reed valve assembly kit to suit 200cc Oval ported cylinders. FREE Shipping. Bend the small metal tab between the hinge and the body of the float with needle-nose pliers to adjust the float height,. And of course, replace the reeds as you already know. Hello Mark, The Reed valve system has it's benefits and drawbacks in pretty much equal measure,the choice as to whether to 'reed or not to reed' has to be thought out carefully as once you go down the road of tuning to that extent you cannot revert to a normal set-up again as modifications have to be carried out to the casings in order for the Reed valve to work. They had dual carbs which I think carried through to the first XR600 model in '85. after getting a price of around $400 to replace all four reed blocks (they dont sell just the reeds) i went with. It prevents the mixture from moving back to the carburetor. Leaning the bike over and waiting for fuel from the overflow and then kicking is not a solution, it's just another indicator that you have a problem with fuel delivery. The vehicle can have a leak at the fuel injector, posing a fire hazard. The serial number began ME03-2001031. Athena is the sole distributor of Boyesen products all over Europe. Despite the same volume of intake air, the fuel volume requirement varies by the engine operating con-. Reed Valve Induction Early versions of the RD Yamahas relied on the simple piston ported 2-stroke engines. V-type reed valve The DTI 75 V-type reed valve is just one supporting key development more YAMAHA's remarkable Torque Induction system. What are the symptoms of failing power valves and reed valves on a 1200gpr? I currently have the #2 cylinder not firing, it has spark but no fire. The suspension had longer travel and the rear swing was now of aluminum. It does sound like there is an air leak. How to Repair a Yamaha Outboard 2-Stroke Float Valve. com! 2-stroke, Reed valve. Starts fine, but even fairly warm af …. 1996 Yamaha added dual 38mm Mikuni carburetors and 62T cases to the WaveBlaster, resulting in slightly more power, from 63 to 73 hp. An aero-form reed valve that corrects the problems associated with existing reed valve designs; Maintains flow velocity through the valve and re-directs the intake charge for even distribution to the intake ports; Provides quicker, sharper throttle response and more horsepower; Boyesen Pro Series RAD Reeds, carb boot, carb boot clamp and gasket. There were two thin pieces of metal that formed a reed valve of the intake port. Lucky for me, if was still stuck under the reed valves and had not been. Boyesen's patented dual-stage design incorporates a specially shaped top reed and a ported bottom reed. This video is likely to be about more than just reed valves because what we're looking at is why we've got this lean sneeze condition on the Yamaha we did the timing on last week. yamaha yz125 (2003 - 2004) Segment: Enduro/Offroad Some believe that small-displacement bikes are dull, but if they took a ride aboard the 2003 Yamaha YZ125, they'd most likely change their minds. I plan on removing the pump so that i can avoid future problems with that. This 96 Club Car golf cart starts and runs fine but after a minute it blows smoke out and gets worse the longer it runs. Al's Snowmobile Parts Warehouse "Used Parts Are Us" (1964 to present) 3868 Pine Hill Rd Newport, VT 05855 (802) 487-1000 • 24-hour FAX: (802) 487-1015. After I pulled off my carburator, I found one of my two reed valves was broken. Find the Moto Tassinari V-Force 3 Reed Valve - V3141-682A-2 at Dennis Kirk. Starts fine, but even fairly warm af …. Increasing the flow results in quick throttle response, more horsepower gains and hard acceleration producing more torque and broader peak power. A new crankcase design features a spacer-style reed valve intake for improved gas flow, which inhales through a 28mm Keihin flat-slide carburettor for seamless throttle response. I fitted boyessen 2 stage reeds to mine. Performing maintenance on your scooter will make your warranty null and void. Valve clearance ("valve lash") can affect the way the engine runs. Over that time the Zuma has gone through two model codes (CW50, YW50), three generations, and a huge number of names (Zuma, Zuma II, Zuma 50F, Zuma 50FX, Zuma X, BWs. Prevents fuel from returning back to the tank and keeps it in the line. More Buying Choices. Beyond about 5 years, they generally need to be replaced. There are no floats in this carb - it is a pulse type Mikuni. Yamaha RT 180 1990 Motorcycle Photos and Specs. Some fuel pumps and carburetors also use what is essentially a Reed Valve to control the fuel through the pump or carb. See prices, photos and find dealers near you. , is recalling about 2,900 model year 2019 Ski-Doo snowmobiles equipped with an 850 E-TEC engine. The valves are designed so that even the modest pressure of the engine fuel pump will draw fuel past them. But someone else suggested replacing the Reed Valves on the engine I just got. I have removed and cleaned the carby, adjusted the float level to manufacturers specs, set air mixture screw at 1 1/2 turns out, checked and cleaned fuel cock, checked reed valves and after reassembly checked for any vacuum leaks ( none found ). And then we'll go from there. Air induction system hose (air filter case to reed valve assembly) 2. This replacement gasket is a must have item when removing/replacing the reed cage assembly. I posted on another persons thread but they were having the smoke but not running problem. Cleaning Exhaust Valve. It can cause a popping on decel which usually points to a lean condition. V-FORCE 4R HIGH PERFORMANCE REED VALVE SYSTEM YAMAHA 2005-2019 - DBYACC563487. If you have an Optimax, different running issue, let me know. 050" gap allowing the reed pedals to open easier. Paul d on 20 Sep 2013 asked "do these fit genuine yamaha reed blocks and is the price for a pair?" MB Scooters Ltd replied: Yes should fit no problem and are priced per set for one reed assembly If you feel something is not correct with this product description or image then please contact us using the same link. " Actually, it doesn't, because the turbocharger's inability to deliver air instantly when it is needed is only one of several components of turbo lag. Internal valves now no longer seal properly and the HPDI pump loose pressure. Yamaha Part #4DA-13625-00-00 Spacer, Reed Valve This item is currently on back order in Yamaha's Japan warehouse. It is bidirectional thus controlling both intake and outlet. I am wondering if the reed valves could be the culprit. Petals from Yamaha were considerably less expensive. Problem fixed: replacing reed valves. Gaskets, new reed boxs at $116 each and labor are about $1400. Reed valves going bad can be difficult to diagnose as the symptoms can often be mistaken for problems. Reed valve crankcase breathers The Yamaha XS650 reed valve breather is an excellent piece of kit and does what it says on the tin. To remove it completely, the valve is removed and the plate installed, disconnect the electrical connection to the solenoid and tie the wire out of the way, remove all the associated vaccum lines and the solenoid. A four stroke has no such problem to solve because the intake port is controlled by the valve train, and can be opened and closed at any two different times the builder decides on. When the piston moves up in a two stroke the intake charge that was sucked in will try to go right back out where it came because the port is not fully closed until the piston passes it. Best Answer: The reed valves would not cause this problem. standing YAMAHA GRAND PRIX ma- chines, the instant throttle response gives you faster acceleration for a quick get- away. 2019 Yamaha YZ125 AGILITY, ABILITY, VICTORY Light weight, but heavy on the fun factor. Re: Razz scooter vacuum/air problem Post by michele1988 » Thu Aug 16, 2012 1:39 am And here is a pic of the 3 things not on there now (except the third one with the two pipes which I used the existing one with stuff attached. listen to it, and he said he thought it was the reed valve in the air induction system. Pumper carbs also used these type of valves. Included in the 1 year reed warranty is the assurance that if you break a leaf by accident, we replace it free; you won't need to buy a complete set. The hesitation in the engine due to failing reed valves can be very frustrating as the power is simply not available when needed. The new Polaris 600 Fusion engine is 6 HP up from the 600 Edge engine. Found out Yamaha had recall with reed valve. Here is the standard inlet manifold. The engine was a 247cc 2-stroke reed valve single cylinder linked to a 5-speed transmission. Putting a reed spacer on those bikes made a huge difference. Quick view. It does sound like there is an air leak. Air induction system hose (air filter case to reed valve assembly) 2. Won't stay running. With today's gas having up to 10% ethanol, replacing your degrading. VForce Reed Description: The VForce 3 Reed valve includes a double cage design for additional flow at all RPM's. Results for "websitesub:"Choke Solenoids, Primer Solenoids, and Enrichener Valves"" SKU ↑ SKU ↓ Available ↑ Available ↓ Price ↑ Price ↓ Title ↑ Title ↓ « 1 2 ». The ddt won't tell you directly if you have mechanical problems or a fouled plug, but it will let you shut down individual cylinders to see how much each is contributing, if the rpm does not drop when you kill a cylinder, that cylinder is not performing. reeds was our first guess and it was. install reeds for yamaha bw80 I would like to know how to install reeds for 1987 yamaha bw80 - Yamaha Motorcycles question Faulty reed valve. Ceramic composite cylinder bore is a ''liner less'' design with the ceramic coating sprayed directly on the aluminum block. Reed valves going bad can be difficult to diagnose as the symptoms can often be mistaken for problems. If the float just makes contact with the scale without dropping below the horizontal surface of the float bowl indicated by the scale, the float is correctly set. In that period the highlight for Yamaha was Tim Hart, who gave the works version of the YZ125 its first national win in the final race of 1974, then followed it up by winning the soggy season opener in 1975. 050" gap allowing the reed pedals to open easier. Get the latest Specifications for Yamaha RT 180 1990 Motorcycle from mbike. to them,and the high tension pro-series petals reeds work best than any others,i just put a set of petals on a 02 xc 700,the gains was awsome for the money,but the rad valves are the real deal,. I plan on removing the pump so that i can avoid future problems with that. Reed Valve Parts / Air Filter Parts for a Yamaha TZR250 (3MA4). Yamaha Power Valve System Patented YPVS™ combines crisp, hard-hitting bottom-end acceleration with strong midrange and eye-opening top-end. They had dual carbs which I think carried through to the first XR600 model in '85. Shop for Fuel and Air Intake Systems, like Boyesen Rad Valve at Rocky Mountain ATV/MC. Questions to ask yourself! i. How to Repair a Yamaha Outboard 2-Stroke Float Valve. The bike used FIM-type side number plates. Sold as a set; replacement reed petals sold one set per reed cage. I still don't know what the reed valves do, and why I should replace them. Quick Shipping and a large inventory, this is where America goes for all its Polaris OEM Parts. Questions to ask yourself! i. Muffler or exhaust port restricted with carbon deposits. The top reed is lightweight and resilient for crisp throttle response at partial throttle or low RPMs. On PWCs these parts do help low range response, but offer no increase in peak rpm. 000rpm) magnet based solid state ignition for vintage bike racing applications. They are basic and can enhance performance simply because they keep the fuel in the engine. 5-degree cylinder angle & straight shot intake path through the combustion chamber. Pumper carbs also used these type of valves. Scooter does not turn over. We ship worldwide. 1986 Virago 1100 reed valve and air cut assembly. Polaris parts, Suzuki parts and Yamaha parts through our Partshouse brand as well as at our flagship site. Part Description: 1976-1978 Evinrude Johnson 0320155 Reed Valve Leaf Plate Assembly 25-35 HP Part Name: Reed Valve Leaf Plate Assembly Part Number(s): 0320155 Model(s): 1976-1978 Evinrude Johnson Condition Description: Used, in excellent condition Retail Price: Part Details: Reed Valve & Leaf Plate Assembly PLEA. 2004 Yamaha WaveRunner® GP 800R pictures, prices, information, and specifications. This typically gives the bike more low end power. TS 125 ER 1982. Double the reed tip surface over a conventional reed valve design. Both systems worked well, but eventually, the system pioneered by Yamaha, was used by the big four. Have you been noticing problems with oil and fuel that travel back through your carburetor on the HuaSheng 49cc engine? The cause of this may be that the reed valve inside the engine is no longer seating well and closing off the combustion chamber as needed. Description Vforce 3/4 Reed Valve Gasket for KTM, Husaberg, Husqvarna. I think I paid $230 for the V-Force III set. I removed them as well. after getting a price of around $400 to replace all four reed blocks (they dont sell just the reeds) i went with. This 96 Club Car golf cart starts and runs fine but after a minute it blows smoke out and gets worse the longer it runs. And of course, replace the reeds as you already know. It is the correct 4 bolt pattern for these models:. An aero-form reed valve that corrects the problems associated with existing reed valve designs. We explain the steps to disassemble and reassemble an example 2-cycle engine carburetor below, and we also explain the correct way to clean a carburetor while it's still disassembled. Reed valves are not uncommon on 2-stroke motors (my outboards have them). If not, the shop labor for tear-down and reassembly will be fairly costly. Been reading alot of comments on Reed valves and removing the oil pump. It revs high but moves slow. Harley Davidson Reed Valve found in: Columbia / Harley Davidson Reed Valve Leaf (Fits 1967-1981), This Buggies Unlimited OEM replacement part has been developed to meet or even exceed the manufacturer's original equipment. had som of the same problems this spring with my 120 merc. Reed valves are used in many two-cycle engines, including motorcycles, snowmobiles, and lawnmowers. Boyesen is the worldwide leader for carbon / fibreglass reed valves. Can anyone supply pictures or a video of the reed valved 4 stroke?. Put a battery and a fuel pump from a club car(it seems to have more pump pressure than the stock G1, maybe too much?) and coil on it and it fired up and ran pretty darn good. I had the same problem on the same machine. Yamaha R1 Service Manual 2007 - Free ebook download as PDF File (. The reed valve has been modelled as a 2D problem, using a symmetry condition in the middle line of the valve, representing only a small part of the engine manifold. Suzuki introduced their reed valve, but placed it on the bottom of the cylinder at the crank case, known as case reed valve. Freeride Innovations is a unique rider-based company committed to offering high quality, custom fabricated stand up Jetski parts along with performance parts from the industries leading manufactures. Pumper carbs also used these type of valves. Hi all, I decided to work on older Macs this winter as something to keep me sane (I put up a listing in the classifieds looking for some), and while in probably 50 of them that have gone through my hands, I haven't had a bad reed valve, I think, based on the fact that I've gotten them all running very well. A broken/ leaking reed in a multiple cylinder engine will cause that cylinder[with the bad reed] to act lazydepending on the size of the leak, the engine could run fine at WOT, but will always be lazy at idle/part throttlea broken reed allows the intake charge being compressed in the crankcase to bleed awayso that particular cylinder will act leanan extra shot of fuel down the bad cylinder will generally make it fire brieflyan experienced tech can usually pick up a bad. Reed valves most certainly came about right after the 2-stroke’s invention. When the ski had power it use to have a very distinctive sound, a very high pitched buzz. You've heard the expression "choose wisely. Valve clearance ("valve lash") can affect the way the engine runs. I just finished replacing the piston rings and I'm wondering whats going on. A local motorcycle mechanic stated that he does this quite often by placing a thimbel in the line between those two. It is plumbed through a labyrinth separator and into the airbox on the downstream side of the air filter (the low pressure side). Quick Shipping and a large inventory, this is where America goes for all its Polaris OEM Parts. Yamaha G1 Excellent Reed valve Good delivery time (four days) slightly different shape at bottom of valve than original one, not a problem though works perfectly. Reduced reed petal wear. HPDI Reed Valve. Boyesen is the worldwide leader for carbon / fibreglass reed valves. Gaskets will stop leakage from major components of your golf cart engine. I have a Yamaha 5BS 661 5hp 2 stroke outboard which appears to show all the signs of a broken reed valve. 8mm inside length x 35. Harley Davidson Reed Valve found in: Columbia / Harley Davidson Reed Valve Leaf (Fits 1967-1981), This Buggies Unlimited OEM replacement part has been developed to meet or even exceed the manufacturer's original equipment. Hopefully this is the end of the problem. ditions, such as acceleration, deceleration, or operating under a heavy load. 50 Redline Powersports provides part numbers as a courtesy; it is the customer's responsibility to confirm all part numbers before placing orders. I have been in the market for a new reed cage for months now. of Sturtevant, Wis. What happens here is that the force exerted on the reeds as induction occurs causes the reeds to bounce on the cage, when the RPM's are high, the bounce could carry over to the compression phase, cause fuel/air to be forced back into the inlet track. Scooter does not turn over. The only problem was a high school kid named Marty Smith who absolutely dominated the new class on a Honda for the first two years. I tried to devise a makeshift replacement from a different size reed by cutting it down.