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Free Shipping on orders over $150 in the USA. Orders usually ship from our shipping center the same day as the order is fulfilled. The new GP series was introduced in 2007. Additionally, you can also find out where can you can still find these amazing vintage WaveRunners. Air Intakes & Filters; Exhaust Parts; Cooling Parts; Ignition System Parts; Foot Controls & Pegs . 4 interest-free installments of $37.25 by. Unfortunately, we found no off the shelf impellers that perfectly suited the wide powerband of our GP 800 kits. Make me an offer. All rights reserved. We know that you need reliable products that will stand up to the punishment of tough environments. With this power source the performance of the Yamaha GP800 jumped up to 120HP, as its top speed also reached the 55mph. It short, Yamaha engineer changed the radius on the back edge of the trim tab area of the hull on the 99 models. If you find some at a much lower price, always be suspicious. NOTE: All valve jobs are CNC machined valve seat profiles for optimum performance! We are now rebuilding cylinder heads for vintage motorcycles. We offer the R&D ride plates for the GP 800 with this machining modification already made, or we can modify your existing R&D plate. However there does seem to be a huge (and unexplainable) difference in the peak operating rpms of these machines. No part of this website can be reproduced without written consent of the owner. But in spite of this, many are still running! 1720 W Elliot Road, Suite 101. Moreover, many of these crafts are heavily modified to reduce porpoising or for better performance. On our first tank of fuel, we saw peaks of 7180 rpm. When it comes to choosing quality parts and accessories for your Yamaha WaveRunner GP800R, you can rely on our expertise. (plus fabriqu) - Yamaha ref: 90601195UD00 (90601-195UD-00) au meilleur prix, livraison rapide garantie. Please remember to send a completed work order form with every order: If sending items for vapor blasting service, please fill this form out: cylinder head rebuilding services. We can say that the performance of the GP WaveRunners improved greatly over time. You are responsible for what you order! Exceeding the optimum ratio resulted in a peak rpm loss, and slight overheating. Orders will be shipped best way to the shipping address you provide. Parts availability, delivery service providers, weather and other factors may affect your delivery. Leave all purchase stickers on packages. Dont hestiate to discover and compare these flagship GP WaveRunners to their competitor Sea-Doo and Kawasaki models! Brought to you for over 12 years by Yamaha leading online authorized OEM Parts supplier. This thin, but super tough, bore diameter has a much lower friction coefficient than iron, thus allowing for much quicker piston acceleration. If you own a Yamaha GP800 WaveRunner and are shopping for Yamaha GP800 WaveRunner OEM parts and accessories, then this is the site for you! They also have smaller storage and fuel capactities compared to a newer 4-stroke WaveRunner. . Ouvert du lundi au vendredi de 10h 18h non-stop Nos Locaux. Copyright yamahapart.com. For this reason we will not set up any of our kits to utilize an O ring type head that omits the use of the head gasket. This seat is off a ski that was garaged it's whole life. The GP 800 Swift Kit makes for a big increase in overall acceleration, and a 1.5 2 mph increase in peak water speed. The Yahama GPs success story started with these models, and still continues to this day. The installation of an aftermarket flame arrestor does increase cfm (cubic feet per minute of air) and help overall performance. yamahapart.com OEM Yamaha parts and Accessories up to 40% off MSRP. Check Out Our Pro-Series Steering Systems, Now In Stock! We accept all major credit cards for golf cart partsand accessories. CANCELLED ORDERS. RIVA Racing Online Performance Parts & Accessories However, it has much higher fuel consumption as well. Part of the reason for this difficulty has been the variations in the stock machines provided to magazines and after-marketers by Yamaha themselves. As the modified GP8 travels across rough water at high speed, the engine will bump the rev limiter each time that the impeller comes completely out of the water. Also, dont forget that there are many drawbacks of owning a vintage 2-stroke WaveRunner. AVAILABILITY. You are responsible for what you order! This performance and the lightweight hull boils down to a 0.19 HP/pounds power-to-weight ratio. We are one of the country's largest power sports cylinder head re-manufacturers. Contact Us. The K prop is well suited to meet the needs of both the Swift Kit and Sleeper Kit (using different pitch specifications). The ideal bottom surface finish is a non-shine finish created by numerous full length front to rear scratches. When parts must come from the manufacture's warehouse, additional time for fulfillment may be required. Your #1 Parts Resource for Genuine OEM Yamaha ATV, Boat, Motorcycle, Rhino & WaveRunner Parts, Yamaha GP800 WaveRunner Jet Ski PWC GP 800 Yamaha Watercraft High Performance Modifications - Group K.com 3 product ratings - Yamaha Safety Lanyard Key WaveRunner GP760 GP800 GP1200 Superjet SUV, 6 product ratings - YAMAHA WAVERUNNER GP800 1200 XL800 XLT800 1200 FUEL PETCOCK ASSY 66V-24500-02-00, 2 product ratings - Yamaha Waverunner 1998-2005 XL XA XLT GP 800 OEM Crankshaft Part 66E-11400-00-00, 1 product ratings - YAMAHA MID DRIVE SHAFT 01-04 800 1200 GPR XLT GP1200R GP800R COUPLER 2001-2004. Yamaha GP800 - High Performance Mods - Group K We will very soon be offering our Q-4 service, which is a cylinder head modification we perform on four valve heads. For additional background info about these carbs, please read our website document Racing Carburetors 1999. OEM parts or accessories order! Refund Requirements: (No Returns on Electrical Components). UPS weight limit makes engine shipping practical and affordable. Check if this part fits your vehicle. Fax: (480) 272-9192 . [Video], Kawasaki Jet Ski Horsepower Chart [New and Vintage Skis], Sea-Doo Model Reference 1968-2022 [With Reviews], 1973-2023 Kawasaki Jet Ski Model Reference [Chart]. We will then evaluate your design, estimate the cost of the project, and forecast the completion date. Beyond trim tabs, aftermarket intake grates, ride plates, and sponsons may also help to eliminate porpoising on the Yamaha GP800 and GP760. It often happens that manufacturers must supply pre-production machines to publications for testing, simply because the true production-run machines may still be a couple of months away. Flemington, NJ 08822 If you are still stuck on the vintage GPs, you must be wondering which one to choose. Yamaha Boat Parts for Yamaha WaveRunner GP800 - eBay The second tank yielded 7250 rpm, and the third tank attained our eventual sustained peak of 7320 rpm. In any powersports application, it is the quality of parts that makes the difference between a fun adventure and a disappointing experience. Repair your GP800 with best replacement parts available only here. All returns require a YSP Return Authorization # (RA#) inside each package of returned items. Magnum Tuning Performance parts. All the GP 800 Sleeper Kit cylinders and heads are typically prepared as matched pairs, to assure that you have the proper squish clearance and compression ratio for the quality of gasoline that you intend to use. About Stock GP 800 RPMs Establishing the stock performance data for the GP 800 has been more difficult than with any other machine we have worked with. . Where America goes for Yamaha OEM Parts and Accessories, 2000 Yamaha GP800 (GP800Y) Original Equipment Manufacturer Parts at Flemington Yamaha. This is a typical question of many buyers, and the answer is that it depends. As weve already discussed, the 760 was released with the same hull as the GP1200. Pro-1 Racing Heads specializes in cylinder head performance services for dirt bikes, street bikes, ATVs, UTVs, snowmobiles, and personal watercraft. While the stock limiter is unnoticeable on smooth water, the same cannot be said for rough water riding. Subscribe to get the latest! As 2-stroke sit-down WaveRunners have not been in production for a long time, there are fewer and fewer of them for sale. All orders prepaid with a cashiers check or money order will be returned freight free via ups ground service anywhere in the continental United States. Ecardeals America Inc. PWC Performance Parts The Yamaha GP760 prices start from $1,000 and go up to $2,500. When this bumping takes place, the engine rpms become automatically reduced by the limiter. All in stock Yamaha WaveRunner GP800 Jet Ski OEM parts & WaveRunner GP800 OEM aftermarket or performance accessories ordered before 2:00 p.m. E.S.T will be shipped same day. Before you make you purchase, never skip the water test and make sure you check the compression in the cylinders. We will add your return handling costs to your refund in this case. It is neither inferred nor implied that any item sold by POWERSPORTSiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page. It should also be mentioned that as the GP760 and GP800 were powered with relatiely smaller engines, a passenger slowed them down significantly. This means less time spent manually fine tuning your carburetors for air density changes at your various ride spots. FAQ. (Note: please do not call our technicians for compression specifications, as they are not permitted to give out any of that information). Order online and save 30% on Yamaha Parts, 25% on Yamaha Accessories. But keep in mind, that even if these modifications help a lot, they cannot completely eliminate this problem. The cylinder porting used in our Sleeper kit is not radical, so it does not represent a risk to the integrity of the plated liner. If the impeller reconnects with the water at this reduced rpm moment, the boat experiences a landing with the brakes on kind of feeling. We re-visited these same tests with our GP 800 project, and found similar benefits. While the stock exhaust system may seem excessively large and heavy, that mass does serve a purpose. As a final word, our recommendation is that if you are a beginner, purchase a newer, 4-stroke, Rec-Lite or Recreation PWC. If you want to ride your craft more often than you work on it, these old 2-stroke WaveRunners are probably not for you. It may be available from Japan immediately, and can ship to us in just a few days. This porting also includes the matching of the exhaust valves in the cylinder, so the cylinder must be sent complete with the exhaust valves and shafts. As we complete our testing with the dual-pipe platforms, we will be posting that information to a separate document. Beware that these issues can happen more often than you think. EXCEPT, when parts are returned and deemed by seller to be unsatisfactory due to a manufacturers defect. We do not care to speculate on the cause (or reasons) for the broad variations in the peak rpms of these machines. This grate does cause a loss of about mph, but the improvement in rough water hook-up and acceleration are well worth that small loss.