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Please do not send us parts that do not meet the return requirements listed above, as we do not issue refunds for non-qualifying items and cannot return the items to you. Yamaha OEM GP800 WaveRunner PWC Jet Ski parts returns must have a RA# and be made within 15 days of receipt of order. When it comes to choosing quality parts and accessories for your Yamaha WaveRunner GP800R, you can rely on our expertise. email to: [emailprotected]Please contact our Webmaster with questions or commments. But keep in mind, that even if these modifications help a lot, they cannot completely eliminate this problem. Open: Monday - Friday. We will very soon be offering our Q-4 service, which is a cylinder head modification we perform on four valve heads. Porposing: Dont forget that all of these old GP WaveRunners are prone to porpoising. It offers a higher performance (155HP) thanks to its bigger 3-cylinder engine. OEM Parts Diagrams 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. Instructional Videos EXCEPT, when parts are returned and deemed by seller to be unsatisfactory due to a manufacturers defect. Condition and shipping costs of the returned item(s) is the responsibility of the purchaser. This means the USA warehouses are out of stock. 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. In contrast, GP800 prices range from $2,000-$3,500, while a GP800R costs around $2,500-$4,000. Copyright 2018-2023 POWERSPORTSiD.com. If we want to be accurate: If you stick to these 2-stroke PWCs, this means you are selecting from very aged models. If the craft is not water-ready, and the ad says that it needs work, its best if you walk away. The material of this plating is so tough that it can stand up to the forces of several piston scoring episodes with virtually no damage to the bore at all. Beyond trim tabs, aftermarket intake grates, ride plates, and sponsons may also help to eliminate porpoising on the Yamaha GP800 and GP760. Brought to you for over 12 years by Yamaha leading online authorized OEM Parts supplier. These models come powered with 4-stroke engines and have convenient seating for 3 riders. To assure that the modified cylinders will have the correct compression ratio and squish clearances, we modify the cylinders and cylinder head as a matched set only. To eliminate this effect, owners can install a Riva cdi box that offers an ignition curve identical to the stock curve (ironically called Limited)but with an increased rpm limiter. We know that you need reliable products that will stand up to the punishment of tough environments. Useful articles fast to read and guides easy to understand written by mechanics and car enthusiasts to turn your shopping experience with POWERSPORTSiD into a pleasure. Order online and save 30% on Yamaha Parts, 25% on Yamaha Accessories. This affordable Novi carb modification is not a standard component of our kits. In situations of minor damage to the plating, re-plating of the cylinders is available from the aftermarket. Rechercher. 2000 Yamaha GP800 (GP800Y) Original Equipment Manufacturer Parts at Yamaha Sports Plaza. The slightly steeper Solas H pitch impeller can be suited for use on the more powerful Sleeper Kit, but not the Swift Kit. Delivery delays do not constitute reason for order cancellation (all or partial) without charging a 20% restock fee of canceled items. The best way to accomplish this finish is with a piece of very coarse emery (40 60 grit is best). While the H runs about .4 mph slower than the K, the improved rough water hook up of this H prop would be the ideal selection for Sleeper kit owners who will be riding almost exclusively at high speed in rough water. If you are still stuck on the vintage GPs, you must be wondering which one to choose. Copyright 2009-2020 Pro-1 Racing Heads. Unfortunately, we found no off the shelf impellers that perfectly suited the wide powerband of our GP 800 kits. Yamaha Waverunner, Motorcycle, ATV, Side by Side, Utility, Sport Boat and Snowmobile OEM Parts While the stock exhaust system may seem excessively large and heavy, that mass does serve a purpose. / WHOLESALE TRADE / MERCHANT WHOLESALERS, DURABLE GOODS / MOTOR VEHICLE AND MOTOR VEHICLE PARTS AND SUPPLIES MERCHANT WHOLESALERS / UNITED STATES . Contact Us. Available as a standalone service, and also included with all of our head modifications, vapor blasting removes dirt and grease residue from your components, while leaving a much smoother and shinier finish than both soda and bead blasting. OEM parts or accessories order! The Competition mode also includes additional exhaust port finishing and a transfer port rough finish that further improves fuel atomization. The afore mentioned loss of the inlet tract vacuum is referred to as a loss of signal. Another modification that can significantly improve rough water hook-up is pump blueprinting. Pro-1 Racing Heads is the first custom machine shop in the motorcycle industry to offer this service to the public. This is a typical question of many buyers, and the answer is that it depends. 2002 Yamaha PWC GP800 WaveRunner. No returns on Yamaha GP800 WaveRunner electrical OEM parts. Although the GP series was equipped with Yamahas QSTS (Quick Shift Trim System), it could not completely eliminate this effect. SHIPPING. Please contact us soon after placing your order if you wish to expedite your order. Replaces the restrictive sound suppression system on GP800R and GP1200R Waverunners. Some older parts displayed are no longer available. We apologize that we cannot estimate this in advance but each item and final shipping destination can vary. The stronger signal of this modification greatly improves the carburetors ability to self adjust the fuel mixture for changes in altitude and air temperature. We will take an old vintage head and clean it, rebuild it, and make it run like new. The store will not work correctly in the case when cookies are disabled. The Yahama GPs success story started with these models, and still continues to this day. If youre looking for a Yamaha GP800 or GP760 to buy, this post is for you. And these mods all affect the asking price! (92-octane compatible). Our instructional videos will give you information on everything from diamond honing a plated cylinder to combustion chamber design. During the testing of our kits, we tried the other ignition curves available in the Riva cdi box. EXCEPT, when the return is due to our error. Pro-1 Racing Heads specializes in cylinder head performance services for dirt bikes, street bikes, ATVs, UTVs, snowmobiles, and personal watercraft. For the best experience on our site, be sure to turn on Javascript in your browser. $17.45. This carb modification, by itself, does not result in a genuine power increase. Any part(s) that were sold as part of a bundle or assembly may NOT be returned as individual parts without the complete return of the assembly. Something went wrong. According to many owners, wave jumping was always a lot of fun on these small GPs! GOLF CART PARTS COMPANY. This blueprinting removes all the interruptions and casting drafts in the pump vane case. The most recent addition to our service line is vapor blasting. Free Shipping on orders over $150 in the USA. When your items are packed by us for shipping and there is an additional expense greater than originally charged, we will contact you by phone or email for the additional shipping charges prior to shipping your order. JavaScript seems to be disabled in your browser. 1998 Yamaha OEM Gunwale Bumper Trim Purple Freshwater WaveRunner GP 800 $29.95 Free shipping Stop Kill Safety Key Lanyard for Yamaha Jet Ski WaveRunner WaveBlaster WaveRaide (Fits: 1998 Yamaha WaveRunner GP800) $7.89 Free shipping 1998 Yamaha WaveRunner GP800 ELECTRICAL BOX COMPLETE w/ COILS $175.00 Free shipping Group K Ride Plate Modification for R&D Ride Plate, Impeller Re-Pitching Adjustment to your Solas K Prop, Pump Blueprinting (Send Vain Case and Impeller Housing), Yamaha GP 800 SLEEPER Engine ModificationIncludes: Cylinder Head Modification & Recreational Finish Cylinder Porting, Optional Novi Carb Signal Modification with Primer Kit, Impeller Re-Pitching Adjustment to your Solas Prop, Pump Blueprinting (send Vain Case & Impeller Housing), *prices subject to change based on manufactures pricing. www.golfcartpartscompany.com The GP1800R HO is powered with a non-supercharged, 180HP engine, while the GP1800R SVHO features a more powerful, 250HP supercharged power plant. List the Qty. Sadly, the greater weight and the same performance resulted in a worse power-to-weight ratio. As you can see, these Yamaha GPs still have asking prices that are quite high. PACK YOUR PARTS CAREFULLY !! 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. Instead, we will focus only on the rpm data gathered from our test units that we know to be 100% showroom production. Yamaha WaveRunner OEM Parts "Quick Links", 2000 Yamaha WaveRunner GP800 (GP800Y) Parts, 1999 Yamaha WaveRunner GP800 (GP800X) Parts, 1998 Yamaha WaveRunner GP800 (GP800W) Parts. Tech Support. The K prop is well suited to meet the needs of both the Swift Kit and Sleeper Kit (using different pitch specifications). As stated above, stock levels change weekly so check back or call us for questionable availability. It bears noting that the installation of this cdi box does not increase the actual rpm of these kits on smooth waterjust the out-of-water limit. LOYALTY MEMBERS receive 745 Points. On-Demand Machine Shop Services. The cancellation charge for the amount of 20% of the cancelled items total only, when the order has not been completely fulfilled and/or packed for shipment will be subtracted from your refund. Why? Please have Year, Make, Model and Serial Number ready before calling. About Compression Both of our GP 800 kits include modification of the stock cylinder-head. Fax: (480) 272-9192 . Be sure to include your return address and day phone information in case we have any questions regarding your order. Are you wondering what the differences are between the GP760, GP800, and GP800R? 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. Other services we perform include valve seat and valve guide replacement, along with cylinder head porting and flow-bench testing. $149.00. The Solas K pitch impeller proved to be the most versatile choice. The huge increase in overall torque allows the GP8 to bolt out of high-speed turns with no bogging at all. 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 Color: RED / BLACK. RETURNS. The store will not work correctly in the case when cookies are disabled. 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). To return a product: Send an email to sportsplaza@aol.com within 15 days of receiving your order. We would accent that the porting of plated cylinders should only be done by experienced technicians using the right equipment. On-line fiche finders simplify finding the correct OEM Parts with on-line ordering which can be done directly from the Illustrated parts diagrams. This seat is off a ski that was garaged it's whole life. It had the same hull and features as its brother, the GP1200. 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. We consider the stock head gasket to be a very important part of maintaining a lasting compression and water jacket seal. There seems to be a problem serving the request at this time. In any powersports application, it is the quality of parts that makes the difference between a fun adventure and a disappointing experience. This sanding preparation also allows the GP 800 hull to run arrow straight at peak speed, along with much more responsive steering control. Panier 0 Produit Produits (vide) Dont hestiate to discover and compare these flagship GP WaveRunners to their competitor Sea-Doo and Kawasaki models! Our website is updated weekly through Yamaha. The price strongly depends on their condition. In 2002, Yamaha released the GP800R. About Cylinder Porting The cylinders on the GP 800 are unconventional by pwc standards. _______________________________________________________________________________________________________________________. 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. We do not care to speculate on the cause (or reasons) for the broad variations in the peak rpms of these machines. Aside from the GP760, the other GP models also dont fail when it comes to performance. In the Subject Line type RA Request. Free shipping. These cylinder and head specifications play the key role in determining the amount of overall power that the engine can make, as well as the quality of fuel that you can use (92 octane unleaded in this case). This is becasue this model is less prone to porpoising due to their new hull design. OVERSIZE PARTS AND PACKAGES. 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. But if you dont, you can still find many Yamaha GP800s for sale on Craigslist, PWCTrader, and other online ad sites. All the sanding strokes should be front to back (continuous) for the full length of the hull. We will reply to your e-mail (or mail) and send you a unique Return Authorization Card #. This thin, but super tough, bore diameter has a much lower friction coefficient than iron, thus allowing for much quicker piston acceleration. 4 interest-free installments of $37.25 by . We are now rebuilding cylinder heads for vintage motorcycles. We carry all of the Personal Watercraft parts and accessories you need for your next ride on your 1998 Yamaha WaveRunner GP800, at prices that will be easy on your budget. on sales, new arrivals, and more. 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. Part(s) returned MUST BE IN ORIGINAL PACKAGING . 3671 North Dixie HighwayPompano Beach, FL 33064 USA, Phone: 800.241.4544 | 954.785.2684Email: info@rivaracing.comHours: Mon~Sat | 9a~6p EST/US. Most of this lost fuel delivery can be recouped with richer carb adjustments.