For additional background info about these carbs, please read our website document Racing Carburetors 1999. Yamaha GP800 - High Performance Mods - Group K Yamaha GP800 - High Performance Mods Single Pipe Modification Kits The Swift Kit - This kit is a small collection of the most effective bolt on parts for your GP 800, along with modification of your stock cylinder head. located in Tempe, AZ. This seat is off a ski that was garaged it's whole life. All rights reserved. We are one of the country's largest power sports cylinder head re-manufacturers. It got a slightly bigger, 784 cc, 2-cylinder engine. But lets face it, riding with passengers on these PWCs is not very good. Copyright 2018-2023 POWERSPORTSiD.com. We will very soon be offering our Q-4 service, which is a cylinder head modification we perform on four valve heads. Lets take a closer look at this model as well! Since Yamaha has released many different GP WaveRunners over the years, the variety of models may confuse you. We do not care to speculate on the cause (or reasons) for the broad variations in the peak rpms of these machines. . 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! GOLF CART PARTS COMPANY. Search our OEM Parts fiche to buy OEM Yamaha WaveRunner GP800 parts, Yamaha GP800 WaveRunner OEM body parts and more! The cost difference$370. This added vacuum loss creates a mid-range lean condition that cannot be adjusted or jetted away. This is because their small, flat hull becomes tipsy when it has a bigger load. What other company offers this to their customers? If youre looking for a Yamaha GP800 or GP760 to buy, this post is for you. We will reply to your e-mail (or mail) and send you a unique Return Authorization Card #. We also do complete engine and pump assemblies for customers who want a finished unit ready for installation. For a better understanding, weve compiled all of these models with their specs into this chart: Dont forget that the GP1800R HO was named as VXR in the first years. Our preferred shipping providers are US Postal Service(USPS Priority) and USPS International (USPS Priority), and United Parcel Service (UPS Ground). During our testing on the GP 1200s, we found significant gains in peak speed and turning ability by cutting different negative angles on to the R&D ride plate. The weight of the exhaust system helps to actually dampen the high frequency vibration of the engine assembly. As stated above, stock levels change weekly so check back or call us for questionable availability. 3671 North Dixie HighwayPompano Beach, FL 33064 USA, Phone: 800.241.4544 | 954.785.2684Email: info@rivaracing.comHours: Mon~Sat | 9a~6p EST/US. LOYALTY MEMBERS receive 745 Points. Magnum Tuning Performance parts. This additional finishing work accounts for 30% more shop time, yet contributes to only about 10% of the total performance gain (about .5 mph and a little bit of acceleration). We will not make any attempt to sort out this conflicting data. This effect can be very distracting and annoying when trying to cover rough water at high speeds. Tech Support. We are now rebuilding cylinder heads for vintage motorcycles. This performance and the lightweight hull boils down to a 0.19 HP/pounds power-to-weight ratio. And these mods all affect the asking price! Additionally, their engines are worn out, and if you have to repair or even rebuild them, it could be a big hassle. Parts & Accessories; Yamaha Wave venture GP800 XL760 XL GP760 ignition coil pack 760 64X-85570-00-00. 4 interest-free installments of $37.25 by. 2000 Yamaha GP800 (GP800Y) OEM Parts, Yamaha Sports Plaza Some older parts displayed are no longer available. All rights reserved. However every other pre-production GP 800, that we gained access to, had a peak rpm between 7400 7450 rpm (but they all ran 57 58 mph). There is no disagreement about the peak speed of the production and pre-production GP 800severy one we ever saw radared in the high 57 to low 58 mph range. 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. 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. This modification is available through Group K or directly from Novi (east coat customers may choose to go direct to Novi to save freight costs). The end result of this design is surprisingly wide power band, along with excellent overall silencing ability. Year Range for Yamaha PWC GP800 WaveRunner 2003 Yamaha PWC GP800 WaveRunner. However, it has much higher fuel consumption as well. YAMAHA WAVERUNNER GP800 GP800R XL800 66E CYLINDER CORE $29.99 $16.70 shipping 2000 Yamaha WaveRunner GP800 ENGINE TOP END CYLINDER HEAD 66E-11111-00-8S $85.00 $18.83 shipping or Best Offer 1998-2005 Yamaha OEM Cylinder Jug Core Freshwater WaveRunner GP800R XLT 800 $274.95 Free shipping But if you dont, you can still find many Yamaha GP800s for sale on Craigslist, PWCTrader, and other online ad sites. Print the e-mail page with the Card Number , your Name, Order Number, Address, Phone Number and e-mail address, (or print all the information on a piece of blank white paper) and put inside the return package with the parts authorized for return. Need paint or powder coating removed from your engine components? GP Pro Pant Blends Camo Red / Black. Removing the choke plates (in addition to the aftermarket arrestor) further weakens the inlet tract vacuum as it additionally increases cfm. In the Subject Line type RA Request. About Impellers & Pumps The impeller pitch of the stock GP800 prop is much too mild to be of any use on a modified machine. About Compression Both of our GP 800 kits include modification of the stock cylinder-head. Leave all purchase stickers on packages. FREE shipping. We must receive your request for a RAC# no more than 15 days after you receive your order to qualify for a return. In 2002, the GP800 got a completely new design, and was re-indroduced as the GP800R. This is the ideal Sadly, the greater weight and the same performance resulted in a worse power-to-weight ratio. 4 interest-free installments of $37.25 by. We will then evaluate your design, estimate the cost of the project, and forecast the completion date. You are responsible for what you order! Discount PWC Performance Parts, Kits and Accessories for Kawasaki, Sea Doo, Yamaha and Honda personal watercrafts since 2005. . The cancellation charge for the amount of 20% of the TOTAL ORIGINAL ORDER AMOUNT INCLUDING ALL SHIPPING CHARGES, IF THE ORDER HAS ALREADY BEEN PACKED AND READY TO SHIP will be subtracted from your refund. During our testing for both of our GP8 kits, we found that the 800 engine does not react well to big increases in compression ratio (92 octane pump gas). According to many owners, wave jumping was always a lot of fun on these small GPs! The stronger signal of this modification greatly improves the carburetors ability to self adjust the fuel mixture for changes in altitude and air temperature. Where America goes for Yamaha OEM Parts and Accessories, 2000 Yamaha GP800 (GP800Y) Original Equipment Manufacturer Parts at Flemington Yamaha. OEM parts or accessories order! Becasue with two adult riders they easily become unstable and tippy due to their small, flatter hulls. Refund Requirements: (No Returns on Electrical Components). Our website is updated weekly through Yamaha. For additional return policy info click here. The new GP series was introduced in 2007. The Solas K pitch impeller proved to be the most versatile choice. (GP800:0.24, GP800R: 0.20 HP/pound). For additional shipping charges we can change your shipping preference. Fast Shipping Over 7 million orders shipped! Our cylinder porting is available in two different finish modes. Orders will be shipped best way to the shipping address you provide. The most recent addition to our service line is vapor blasting. All other orders will be billed to a visa/master card or sent freight collect cod cash. (Sorry, we know that on mobile its quite huge. When this bumping takes place, the engine rpms become automatically reduced by the limiter. Copyright 2021-present RIVA Racing. Both the Recreational and Competition finish modes include all the same port timing, port shaping, and specification work. Air Intakes & Filters; Exhaust Parts; Cooling Parts; Ignition System Parts; Foot Controls & Pegs . For recreational level GP800s, this is a good limiting device that does not hamper peak water-speed performance in any way. Copyright 2009-2020 Pro-1 Racing Heads. USE. EXCEPT, when the return is due to our error. It had the same hull as the GP1200R, which was around 3 inches longer and an inch wider. The only difference was that the GP1200 had a more powerful engine, and was heavier of course. We now offer paint stripping as a standalone service. Moreover, many of these crafts are heavily modified to reduce porpoising or for better performance. Fax: (480) 272-9192 . As a final word, our recommendation is that if you are a beginner, purchase a newer, 4-stroke, Rec-Lite or Recreation PWC. After magazine testing, these same pre-production machines are used for dealer demonstrations and ultimately offered to aftermarket manufacturers throughout the industry as test units. We stock thousands of OEM Yamaha parts. . It bears noting that the specification and dome design of our two kits is very different. View cart for details. For owners that do choose these heads, we recommend that the seal be inspected regularly. This means that the GP800R offered 120HP and a top speed of around 55mph, just like its predecessor. We confidently claim that Group K cylinder porting will yield a wider power band and longer piston life than any other porting modification available anywhere. NOS Car & Truck Oil Pumps & Parts, NOS Performance Parts, NOS Car & Truck Carburetors, NOS Car and Truck Seats, NOS Car and Truck Gauges, Other services we perform include valve seat and valve guide replacement, along with cylinder head porting and flow-bench testing. In the event of a major failure, the cylinder must be replaced. 1720 W Elliot Road, Suite 101. In spite of the lower displacement and the 2-cylinders, the Yamaha GP760 produces no less than 90HP. These scratches will also allow for much better surface holding in high-speed turns. It would be best if you start your research in the fan groups on forums and social sites. All this begs the question, what about cylinder porting? Plated cylinders, like those on the GP8, can be ported. RIVA Racing is the #1 source for watercraft performance & OEM parts for Yamaha, SeaDoo & Kawasaki PWCs worldwide! Yamaha GP760 and GP800 Prices The Yamaha GP760 prices start from $1,000 and go up to $2,500. We would accent that the porting of plated cylinders should only be done by experienced technicians using the right equipment. GP Pro Pant Hazy Friday Red / White. Yamaha WaveRunner GP800 MAGNUM Jet Ski Performance Spark Plug Yamaha WaveRunner GP800R Parts & Accessories - POWERSPORTSiD.com When parts must come from the manufacture's warehouse, additional time for fulfillment may be required. Both of our kits for the GP8 utilize all the stock exhaust components with the stock plumbing. will be charged a large package fee in addition to the regular dimensional/weight shipping cost. This is a solid 100 rpms under target with no apparent loss of radar speed. While this preparation may not look attractive, these scratches will act as thousands of small rudders that will make the hull track a lot straighter in all water conditions. Part of the reason for this difficulty has been the variations in the stock machines provided to magazines and after-marketers by Yamaha themselves. Contact Us. JavaScript seems to be disabled in your browser. below). RIVA Yamha GP1200R/800R Free Flow Exhaust Kit - Riva Racing We re-visited these same tests with our GP 800 project, and found similar benefits. Privacy Policy You are responsible for what you order! We offer Express, Next Day and 2nd Day shipping. EXCEPT, when parts are returned and deemed by seller to be unsatisfactory due to a manufacturers defect. On occasion, the online shipping calculator will not recognize the LARGE SIZE of large-lightweight-items such as plastics, fenders, runners, frames, etc. Our instructional videos will give you information on everything from diamond honing a plated cylinder to combustion chamber design. Items larger than 130 [(2xheight)+(2xwidth)=130] or heavier than 70lbs. Cycle Parts Nation sells new Yamaha GP800 WaveRunner OEM parts, accessories & apparel for your Yamaha GP800 WaveRunner. We know that you need reliable products that will stand up to the punishment of tough environments. In addition to personal watercraft performance upgrades, we sell factory OEM replacement parts for all skis, Honda, Yamaha, Kawasaki, Suzuki and Can-Am dirt bikes, street bikes, Quads, ATV, UTV and Yamaha outboards. ORDER INFORMATION: SEND ALL PARTS REQUIRED FOR MODIFICATION VIA UPS TO: GETTING THE WORK DONE Most customers send GROUP K the parts needed for modification via UPS, and then do the engine assembly work themselves. It should also be mentioned that as the GP760 and GP800 were powered with relatiely smaller engines, a passenger slowed them down significantly. The store will not work correctly in the case when cookies are disabled. This carb modification, by itself, does not result in a genuine power increase. Another factor to consider is that many of these mods increase the PWCs fuel consumption as well. Are you wondering what the differences are between the GP760, GP800, and GP800R? 4 interest-free installments of $37.25 by . We will reply with cost and payment instructions. We know that you need reliable products that will stand up to the punishment of tough environments. 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. Weve Got them all , We can help you get a new Yamaha Exhaust, Yamaha seat, perform Yamaha performance increases, Yamaha racing parts, or even an new Yamaha carb or yamaha clutch. On-Demand Machine Shop Services. 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. All rights reserved. RIVA Yamaha GP800R/GP1200R Free Flow Exhaust Kit If youre not familiar with all-terrain vehicles (ATVs), jet skis, snowmobiles, or utility-terrain vehicles (UTVs), its difficult to know what the right holiday All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. Gilbert AZ, 85233. Rechercher. Yamaha calls this plating Yamaha Ceramic Coating, but its basically Nicasil (a nickel-silica plating). Yamaha GP 800 Performance Modifications by Group K Our Kits The Swift Kit- This kit is a small collection of the most effective bolt on parts for your GP 800, along with modification of your stock cylinder head. Instead of an aluminum cylinder with a thick iron sleeve, the aluminum cylinders of the GP8 have a thin layer of hard plating for the piston to reciprocate in. The Yamaha GP800 and GP760 are among the most important Yamaha PWCs ever built. If you are unsure of your choices, call our Parts Dept before submitting your order.

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