No part of this website can be reproduced without written consent of the owner. 300 Route 202 Just like the famous Sea-Doo XP and the WaveBlaster, Yamahas GP WaveRunners also have a large fan base in every corner of the earth. That is, very subtle surface irregularities could result in breeches of compression or water. But keep in mind, that even if these modifications help a lot, they cannot completely eliminate this problem. The upgraded version of the 760, the GP800 hit the market in 1998. This is the ideal kit for the owner who is looking for an easy and quick way to bolt on a significant improvement in power and handling. Easy installation with noticeable results. 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. These models come powered with 4-stroke engines and have convenient seating for 3 riders. About Handling One of the biggest differences between the 98 and 99 GP 800s is the hull change intended to reduce porposing. If you are looking for a Yamaha GP760 or GP800 to buy, you may want to know where you can still purcase one. All ported cylinders are also honed. 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. Some older parts displayed are no longer available. And these mods all affect the asking price! will be charged a large package fee in addition to the regular dimensional/weight shipping cost. The 92 octane compatible Sleeper Kit includes all the same bolt on parts as the Swift kit, along with Sleeper cylinder porting and cylinder-head modification (carburetors need not be removed). Although the GP series was equipped with Yamahas QSTS (Quick Shift Trim System), it could not completely eliminate this effect. Also, dont forget that there are many drawbacks of owning a vintage 2-stroke WaveRunner. Used (normal wear), Front seat (only) from a '98 GP800 Limited Edition Seat is in excellent condition with no rips or punctures in fabric and very little wear. Reliability and durability: Keep in mind that these old 2-stroke PWCs typically require more attention compared to the 4-strokes. Need paint or powder coating removed from your engine components? About Compression Both of our GP 800 kits include modification of the stock cylinder-head. In 2002, the GP800 got a completely new design, and was re-indroduced as the GP800R. We will take an old vintage head and clean it, rebuild it, and make it run like new. You can find a lot of useful info on these models, and sometimes some good deals! The GP1800R HO is powered with a non-supercharged, 180HP engine, while the GP1800R SVHO features a more powerful, 250HP supercharged power plant. Office: (480) 272-8418. 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. However with this mod, the carbs will have enough signal strength to avoid the unsolvable mid-range lean condition that might take place with the choke butterflies and shafts removed. DO NOT tear, cut, tape, re-tape, mark, or write on original boxes or packages, or cover labels or barcodes. Some parts will display as "back-ordered". This effect can be very distracting and annoying when trying to cover rough water at high speeds. $149.00. You are responsible for what you order! USE. When you play hard, you need the right equipment that will work hard. For the best experience on our site, be sure to turn on Javascript in your browser. These vintage GP WaveRunner were in production from 1997-2005. The ideal bottom surface finish is a non-shine finish created by numerous full length front to rear scratches. The GP 800 Swift Kit makes for a big increase in overall acceleration, and a 1.5-2 mph increase in peak water speed. When you play hard, you need the right equipment that will work hard. For owners that do choose these heads, we recommend that the seal be inspected regularly. This means the USA warehouses are out of stock. With this power source the performance of the Yamaha GP800 jumped up to 120HP, as its top speed also reached the 55mph. As we complete our testing with the dual-pipe platforms, we will be posting that information to a separate document. The Yahama GPs success story started with these models, and still continues to this day. 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. Here at Pro-1 Racing Heads we custom craft our own valve seats and valve guides in-house, however, we also carry a full line of name brand cylinder head parts. This new shape eventually led to a 93-pound weight gain, while its engine remained unchanged. Magnum brand stands alone when performance is what you are after. Check Out Our Pro-Series Steering Systems, Now In Stock! (Sorry, we know that on mobile its quite huge. 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. 2000 Yamaha GP800 (GP800Y) OEM Parts 2000 Yamaha GP800 (GP800Y) Original Equipment Manufacturer Parts at Yamaha Sports Plaza Carburetor Control Cable Crankshaft Piston Cylinder Crankcase 1 Cylinder Crankcase 2 Electrical 1 Electrical 2 Engine Hatch 1 Engine Hatch 2 Exhaust 1 Exhaust 2 Fuel Fuel Tank Generator Graphic Tool Gunwale Mat Hull Deck Orders will be shipped best way to the shipping address you provide. We apologize that we cannot estimate this in advance but each item and final shipping destination can vary. . Please check back or call us, as the status may change with the next update. Check out our on-line parts. The most recent addition to our service line is vapor blasting. Porpoising is when the WaveRunner continuously bounces up and down in porpoise-like movements. They shared the same hull with the GP1200, but had less powerful, 2-cylinder engines. For a better comparison, we compiled all the GP WaveRunners ever built into one chart. Reconfirm your part numbers prior to placing your order. It should also be mentioned that as the GP760 and GP800 were powered with relatiely smaller engines, a passenger slowed them down significantly. Becasue of these issues, the GP series wasnt considered to be great family-WaveRunners. 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. Although you can reduce this effect by installing aftermarket parts like trim tabs, ride plate and so on, they are not able to eliminate the issue completely. We can say that the performance of the GP WaveRunners improved greatly over time. This underlines the importance to regularly inspect the bolts that secure the exhaust system to its mount points on the engine. Are GP760 and GP800 WaveRunners still worth buying? But if you have mechanical skills and you like working on engines, fixing these vintage crafts can be part of the fun. The only down side of the plated bore is the inability to be bored-oversize after an engine failure. Copyright 2021-present RIVA Racing. NOS Yamaha OEM Oil Seal GP800 XL800 XLT800 GPR1200 XL1200 XLT1200 93101-34002. It bears noting that the specification and dome design of our two kits is very different. View cart for details. Porposing: Dont forget that all of these old GP WaveRunners are prone to porpoising. These scratches will also allow for much better surface holding in high-speed turns. Year Range for Yamaha PWC GP800 WaveRunner 2003 Yamaha PWC GP800 WaveRunner. (92-octane compatible). (GP800:0.24, GP800R: 0.20 HP/pound). 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. During the testing of our kits, we tried the other ignition curves available in the Riva cdi box. Copyright 1995-2023 eBay Inc. All Rights Reserved. They offered legal rides for 2 people. We have a wide selection of products for your powersports needs, sourced from the industry's biggest names. The GP 800 Swift Kit makes for a big increase in overall acceleration, and a 1.5 - 2 mph increase in peak water speed. Sadly, the greater weight and the same performance resulted in a worse power-to-weight ratio. To our surprise, the peak rpms increased noticeably during the break-in process. The 3.5 4 mph increase of the Sleeper kit puts this lightweight on a par with most of the top muscle-boats. RIVA Racing Apparel and Gear. It got a slightly bigger, 784 cc, 2-cylinder engine. Chat Now Why Partzilla? To return a product: Send an email to sportsplaza@aol.com within 15 days of receiving your order. 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. Refund Requirements: (No Returns on Electrical Components). 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. While the stock exhaust system may seem excessively large and heavy, that mass does serve a purpose. 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. 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 This carb modification, by itself, does not result in a genuine power increase. Yamaha WaveRunner GP800 MAGNUM Jet Ski Performance Spark Plug SPECS - W. THEORY INSTALL / MANUAL HIGH NOTES / Tips TECH-TRAINING Product Details Thanks to the unique and patented 360-degree electrode design, higher engine power, impressive throttle sensitivity and wondrous acceleration are achieved through better fuel energy utilization. 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, we will focus only on the rpm data gathered from our test units that we know to be 100% showroom production. Head Sealing During our testing we found the head gasket sealing surfaces of the GP8 to be somewhat sensitive. Please go through the entire list and find out the right parts for the GP800. With respect to the GP 800 compression, our testing indicated that it is very easy to get too much of a good thing. We will then evaluate your design, estimate the cost of the project, and forecast the completion date. Both of our kits for the GP8 utilize all the stock exhaust components with the stock plumbing. The price strongly depends on their condition. If you aren't sure that you have the right part #, Please Call 269-385-1540 M-F/10-6, Sat./10-3 EST. ; While this inlet signal itself cannot be recovered, it is possible to modify the stock carburetors in a way that allows them to be more sensitive to the remaining signal that exists in the inlet tract. / WHOLESALE TRADE / MERCHANT WHOLESALERS, DURABLE GOODS / MOTOR VEHICLE AND MOTOR VEHICLE PARTS AND SUPPLIES MERCHANT WHOLESALERS / UNITED STATES . All of our testing to date, for our Swift Kit and Sleeper Kit, has been only with the stock GP 800 exhaust system. Please contact us soon after placing your order if you wish to expedite your order. The main difference was that the GP760s engine is a 745cc, 2-cylider, 2-stoke power plant. Copyright 2009-2020 Pro-1 Racing Heads. Yamaha GP800 WaveRunner OEM parts returns are subject to a 20% restocking fee plus shipping charges. $17.45. 1996 2023 Group K. All Rights Reserved. Yamaha Waverunner, Motorcycle, ATV, Side by Side, Utility, Sport Boat and Snowmobile OEM Parts Where America goes for Yamaha Cruiser, Sport and Offroad motorcycles, Sport and Utility ATVs, Snowmobiles, and Watercraft, We have them all from From YZF-R1 Motorcycles, YZF-R6 Motorcycles to Yamaha Apex and Nytros. Just send us your specifications and/or a blueprint. NOTE: Group K will bill an additional $25.00 handling charge for complete engine assemblies. 1720 W Elliot Road, Suite 101. Ouvert du lundi au vendredi de 10h 18h non-stop Nos Locaux. All returns require a YSP Return Authorization # (RA#) inside each package of returned items. If you are considering buying a more powerful GP, you may find our GP1200 as well as our GP1300R review useful. Condition and shipping costs of the returned item(s) is the responsibility of the purchaser. Shop Today! If you are looking for more power, the GP1200R could be a better deal. Handlebars & Steering Wheels . Part of the reason for this difficulty has been the variations in the stock machines provided to magazines and after-marketers by Yamaha themselves. Yamaha Boat Parts for Yamaha WaveRunner GP800, 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, 1 product ratings - YAMAHA MID DRIVE SHAFT 01-04 800 1200 GPR XLT GP1200R GP800R COUPLER 2001-2004, 1 product ratings - Yamaha WaveRunner 2000-2008 GP800 GP1200/1300 OEM Intake Screen 67X-51311-00-94, 2 product ratings - Yamaha Waverunner 1998-2005 XL XA XLT GP 800 OEM Crankshaft Part 66E-11400-00-00, 1 product ratings - 00 Yamaha Waverunner GP800 Dash Board Handlebar Cover, 1 product ratings - Yamaha Waverunner GP800 Front hood hatch GP7-U517B-20-P0 FRESHWATER. [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]. In the event of a major failure, the cylinder must be replaced.

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