Free Shipping on orders over $150 in the USA. Sales & Support | 954.785.2684. 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). They also have smaller storage and fuel capactities compared to a newer 4-stroke WaveRunner. on sales, new arrivals, and more. All of our testing to date, for our Swift Kit and Sleeper Kit, has been only with the stock GP 800 exhaust system. Something went wrong. We accept all major credit cards for golf cart partsand accessories. Our instructional videos will give you information on everything from diamond honing a plated cylinder to combustion chamber design. Shop Today! 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. 2000 Yamaha GP800 (GP800Y) Original Equipment Manufacturer Parts at Flemington Yamaha 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 Important Labels Intake Jet Unit 1 In contrast, GP800 prices range from $2,000-$3,500, while a GP800R costs around $2,500-$4,000. We know that you need reliable products that will stand up to the punishment of tough environments. Pro-1 Racing Heads is the first custom machine shop in the motorcycle industry to offer this service to the public. This means less time spent manually fine tuning your carburetors for air density changes at your various ride spots. While the difference in porposing is significant, the dimension difference is somewhat subtle. Our solution is to custom pitch the impellers for our GP 800 kits. 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. If you would like to pay additional for 3 day, 2 day, or 1 day return shipment, please specify your preference in a cover letter with your parts. Another modification that can significantly improve rough water hook-up is pump blueprinting. In any powersports application, it is the quality of parts that makes the difference between a fun adventure and a disappointing experience. Yamaha Waverunner, Motorcycle, ATV, Side by Side, Utility, Sport Boat and Snowmobile OEM Parts But surprisingly, the Yamaha GP760 can reach the amazing 52-54 mph even with the smaller engine option! Be sure to include your return address and day phone information in case we have any questions regarding your order. We specialize in CNC-machined valve seat profiles which enhance air-flow and extend valve seat life. We do not care to speculate on the cause (or reasons) for the broad variations in the peak rpms of these machines. Handlebars & Steering Wheels . 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. The slightly steeper Solas H pitch impeller can be suited for use on the more powerful Sleeper Kit, but not the Swift Kit. Our preferred shipping providers are US Postal Service(USPS Priority) and USPS International (USPS Priority), and United Parcel Service (UPS Ground). Make an offer! The best way to accomplish this finish is with a piece of very coarse emery (40 60 grit is best). RIVA Racing Apparel and Gear. Search our OEM Parts fiche to buy OEM Yamaha WaveRunner GP800 parts, Yamaha GP800 WaveRunner OEM body parts and more! However the free breathing flame arrestor also causes a slight reduction in the inlet tract vacuum needed to draw fuel from the carburetor jet circuits. . 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. We apologize that we cannot estimate this in advance but each item and final shipping destination can vary. For the best experience on our site, be sure to turn on Javascript in your browser. Color: RED / WHITE. Fax: (480) 272-9192 . _______________________________________________________________________________________________________________________. This effect can be very distracting and annoying when trying to cover rough water at high speeds. That said, the porting that we do for the Sleeper kit does make for a very significant increase in mid-range horsepower that is key to pulling the steeper pitched prop for that kit. Yamaha PWC GP800 WaveRunner Replacement Parts. What other company offers this to their customers? An added side effect of this modification is improved throttle response and improved ease of tuning. Copyright 2018-2023 POWERSPORTSiD.com. 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. Part(s) returned MUST BE IN ORIGINAL PACKAGING . This is our short Yamaha GP800 review. Brought to you for over 12 years by Yamaha leading online authorized OEM Parts supplier. RIVA Yamha GP1200R/800R Free Flow Exhaust Kit RIVA Yamha GP1200R/800R Free Flow Exhaust Kit SKU RY1620 brand RIVA Racing $64.95 Replaces the restrictive sound suppression system on GPR's. Provides reduced back-pressure that improves engines performance and reduces harmful detonation. Dont hestiate to discover and compare these flagship GP WaveRunners to their competitor Sea-Doo and Kawasaki models! All we care about is what is actual stock production rpms. We finally obtained a showroom production 99 GP 800 for our testing. All rights reserved. When requesting this service please send name, order number and shipping preference to us via Email. If you are considering buying a more powerful GP, you may find our GP1200 as well as our GP1300R review useful. Call us for a quote: 480-282-3472. 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. If youre looking for a Yamaha GP800 or GP760 to buy, this post is for you. We now have all of our standard services available for the Can-Am Commander 1000. 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. However, it has much higher fuel consumption as well. It should also be mentioned that as the GP760 and GP800 were powered with relatiely smaller engines, a passenger slowed them down significantly. 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. The K prop is well suited to meet the needs of both the Swift Kit and Sleeper Kit (using different pitch specifications). 2002 Yamaha PWC GP800 WaveRunner. www.golfcartpartscompany.com OVERSIZE PARTS AND PACKAGES. The price strongly depends on their condition. GP Pro Pant Hazy Friday Red / White. EXCEPT, when parts are returned to the seller in damaged packaging. You are responsible for what you order! Are GP760 and GP800 WaveRunners still worth buying? The Competition mode also includes additional exhaust port finishing and a transfer port rough finish that further improves fuel atomization. Instructional Videos Free shipping. Both the Recreational and Competition finish modes include all the same port timing, port shaping, and specification work. Condition and shipping costs of the returned item(s) is the responsibility of the purchaser. 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. But if you have mechanical skills and you like working on engines, fixing these vintage crafts can be part of the fun. There seems to be a problem serving the request at this time. The afore mentioned loss of the inlet tract vacuum is referred to as a loss of signal. 2000 Yamaha GP800 (GP800Y) Original Equipment Manufacturer Parts at Yamaha Sports Plaza. We can say that the performance of the GP WaveRunners improved greatly over time. According to many owners, wave jumping was always a lot of fun on these small GPs! Some older parts displayed are no longer available. Also, dont forget that there are many drawbacks of owning a vintage 2-stroke WaveRunner. This affordable Novi carb modification is not a standard component of our kits. Yamaha OEM GP800 WaveRunner PWC Jet Ski parts returns must have a RA# and be made within 15 days of receipt of order. Chat Now Why Partzilla? [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]. 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. 908-237-0099. We will reply to your e-mail (or mail) and send you a unique Return Authorization Card #. 1720 W Elliot Road, Suite 101. Delivery delays do not constitute reason for order cancellation (all or partial) without charging a 20% restock fee of canceled items. . Elite Distributor Elite OEM (Original Equipment Manufacture) Parts Distributor for premium brands! In any powersports application, it is the quality of parts that makes the difference between a fun adventure and a disappointing experience. 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. DELIVERY DATES given online or verbally are not guaranteed dates, but are approximate only. Lets drill into these performance numbers deeper! Please have Year, Make, Model and Serial Number ready before calling. Quick Shipping and a large inventory, this is where America goes for all its Yamaha OEM Parts. As weve already discussed, the 760 was released with the same hull as the GP1200. But if you dont, you can still find many Yamaha GP800s for sale on Craigslist, PWCTrader, and other online ad sites. The new GP series was introduced in 2007. Sea-Doo XP For Sale: Are They Still Worth Buying? No part of this website can be reproduced without written consent of the owner. Our cylinder porting is available in two different finish modes. If e-mail is unavailable to you, mail your request to: Yamaha Sports Plaza, 22455 NE Halsey St., Fairview, OR 97024, 22455 North East HalseyFairview, OR 97024 About Inlet Systems The stock carbs on the GP8 are 44mm Mikuni I Body carbs. While this finish looks real nice, it is totally non-functional. Copyright yamahapart.com. When it comes to choosing quality parts and accessories for your Yamaha WaveRunner GP800R, you can rely . They shared the same hull with the GP1200, but had less powerful, 2-cylinder engines. 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. GP800 WaveRunner Aftermarket Apparel & Gear. Please check back or call us, as the status may change with the next update. Easy installation with noticeable results. Because of this, many owners equipped their crafts with trim tabs, which usually made a huge difference. Given this, you may see rpm data from various aftermarket manufacturers that may seem conflicting. We are one of the country's largest power sports cylinder head re-manufacturers. Yamaha engineers chose these new I body type carbs more for their emissions friendliness than their performance ability. 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. All this begs the question, what about cylinder porting? Plated cylinders, like those on the GP8, can be ported. If you would like to learn more about this hull design and the GP1200R in general, dont miss our GP1200 vs. GP1200R comparison post! The GP760 offered a really fun ride and easy control due to its lightweight semi V-shaped hull. In contrast, GP800 prices range from $2,000-$3,500, while a GP800R costs around $2,500-$4,000. The 98 and 99 pre-production GP 800s tested at the Watercraft World magazine Dream Demo both had peak rpms between 7050 7100 rpm (as Yamaha representatives said they would). LOYALTY MEMBERS receive 745 Points. Part Number, Description and Price Paid for items you wish to return. About Dual Pipes Not long after the release of the 98 GP 800s, Factory Pipe Products released their dual pipe exhaust system for this new machine. In such case, parts shall be replaced with the manufacturers replacement item at no charge. The recreation finish is standard in the Sleeper kits, the Competition finish is available as an option. In the e-mail body, list your Name, Online Order Number (found to the right of your first name on your invoice) Mailing Address and Phone Number. About Handling One of the biggest differences between the 98 and 99 GP 800s is the hull change intended to reduce porposing. On occasion, the online shipping calculator will not recognize the LARGE SIZE of large-lightweight-items such as plastics, fenders, runners, frames, etc. The upgraded version of the 760, the GP800 hit the market in 1998. 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. Before you make you purchase, never skip the water test and make sure you check the compression in the cylinders. Size: Qty. 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 Where America goes for Yamaha OEM Parts and Accessories, 2000 Yamaha GP800 (GP800Y) Original Equipment Manufacturer Parts at Flemington Yamaha. NOTE: All valve jobs are CNC machined . 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. 300 Route 202 This new shape eventually led to a 93-pound weight gain, while its engine remained unchanged. 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. You can also expect lower fuel mileage and if you ride hard you can even dry a GPs fuel tank in an hour! All ported cylinders are also honed. It would be best if you start your research in the fan groups on forums and social sites. When it comes to choosing quality parts and accessories for your Yamaha WaveRunner GP800, you can rely on our expertise. Becasue with two adult riders they easily become unstable and tippy due to their small, flatter hulls. This performance and the lightweight hull boils down to a 0.19 HP/pounds power-to-weight ratio. 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. Both of our kits for the GP8 utilize all the stock exhaust components with the stock plumbing. To further reduce porpoising, we recommend the R&D ride plate. It bears noting that the specification and dome design of our two kits is very different. Copyright 1995-2023 eBay Inc. All Rights Reserved. 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. / WHOLESALE TRADE / MERCHANT WHOLESALERS, DURABLE GOODS / MOTOR VEHICLE AND MOTOR VEHICLE PARTS AND SUPPLIES MERCHANT WHOLESALERS / UNITED STATES . The 3.5 4 mph increase of the Sleeper kit puts this lightweight on a par with most of the top muscle-boats. The result is improved hook-up during high speed operation in rough water (note: blueprinting offers only a nominal increase in peak water speed on smooth water). It seems they are like fine wines! 4 interest-free installments of $37.25 by. SHIPPING. Need paint or powder coating removed from your engine components? NOTE: All valve jobs are CNC machined valve seat profiles for optimum performance! Although the GP series was equipped with Yamahas QSTS (Quick Shift Trim System), it could not completely eliminate this effect. (plus fabriqu) - Yamaha ref: 90601195UD00 (90601-195UD-00) au meilleur prix, livraison rapide garantie. (GP760: 90HP, GP800: 120HP). In this chart, you can compare these three entry-level GP WaveRunners. dont miss our GP1200 vs. GP1200R comparison post! About Impellers & Pumps The impeller pitch of the stock GP800 prop is much too mild to be of any use on a modified machine. This means the USA warehouses are out of stock. Porposing: Dont forget that all of these old GP WaveRunners are prone to porpoising. While the stock limiter is unnoticeable on smooth water, the same cannot be said for rough water riding. Moreover, many of these crafts are heavily modified to reduce porpoising or for better performance. For a better comparison, we compiled all the GP WaveRunners ever built into one chart. Its worth getting to know them before you make your purchase! If you want to ride your craft more often than you work on it, these old 2-stroke WaveRunners are probably not for you. Items larger than 130 [(2xheight)+(2xwidth)=130] or heavier than 70lbs. We are now rebuilding cylinder heads for vintage motorcycles. It also features a bigger, 15.9-gallon fuel tank, which is 2.5 gallons more compared to its predecessors. 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. This is becasue this model is less prone to porpoising due to their new hull design. Your GP800 WaveRunner is starving for race-inspired performance? '98-'05 Yamaha Wave Runner GP 800 Top End Kit Standard 80.00mm Bore, GP800R, XLT $233.10 2002 YAMAHA GP800R WAVERUNNER DECAL KIT GP 800 R $179.00 Free shipping 2001 YAMAHA WAVERUNNER GP800R GP800A ENGINE MOTOR BLOCK PISTONS 66E-W1130-00-94 (Fits: Yamaha WaveRunner GP800) $79.99 $24.98 shipping Pro-1 Racing Heads is the first custom machine shop in the motorcycle industry to offer this service to the public. View cart for details. This thin plating also makes for a much more conductive-friendly path for the heat of the piston to get to the water-jacket. 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 WaveRunner GP800R Parts Handlebars & Steering Wheels Frame & Body Starting & Charging Parts Engine Parts Fuel Parts Air Intakes & Filters Exhaust Parts Cooling Parts Ignition System Parts Foot Controls & Pegs Performance Chips Pump & Handling Electrical Parts Oils & Chemicals Repair Manuals Yamaha WaveRunner GP800R Electronics Sound Systems It offers a higher performance (155HP) thanks to its bigger 3-cylinder engine. 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. And these mods all affect the asking price! (see iii. Kawasaki 300 Sleeper Engine and Pump Mods, Kawasaki JS 550 Engine Modification Kits, Kawasaki SXR 800 & SXI 750 849cc Big Bore Mods, Kawasaki SXR 800 849cc IJSBA Stock Class Upgrade, Kawasaki 900-1100 Sleeper Kits for Triples, Kawasaki STX 1100 Di High Performance Mods, Kawasaki STXR 1200 & Ultra 1350 Single Pipe Engine Kits, Sea Doo 951 GTX Di High Performance Mods, Yamaha 633-701 Recreational Engine Mods, Yamaha Super Jet 845cc Big Bore Hammer Mods, Yamaha 1100-1200 Sleeper Kits for Triples, Yamaha 1200 GPR-XL-XLL Recreational Mods, Competition High Performance PWCs for 1998. For additional shipping charges we can change your shipping preference. 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. We know that you need reliable products that will stand up to the punishment of tough environments. Check if this part fits your vehicle. When it comes to choosing quality parts and accessories for your Yamaha WaveRunner GP800R, you can rely on our expertise. Get the latest business insights from Dun & Bradstreet. Yamaha GP1800 Performance Parts and Packages Performance Parts: Electronics, Fuel & Tuning Steering & Handling Seat Covers & Exterior Engine Parts Impellers & Jet Pump Parts Supercharger, Intake & Intercoolers Exhaust Systems Performance Kits: Stage 1 Kit 77 MPH @ 8,000 RPM Stage 1+ Kit 82 MPH @ 8,100 RPM Stage 2 Kit 86 MPH @ 8,600 RPM Subsequent tests of other stock GP 800s have shown similar peak rpm results. No returns on Yamaha GP800 WaveRunner electrical OEM parts. The only down side of the plated bore is the inability to be bored-oversize after an engine failure. 1998 - 2000, Yamaha GP800 Waverunner OEM Apparel & Gear, Yamaha GP800 WaveRunner Aftermarket Accessories Rechercher. Find it. Yamaha GP800 WaveRunner OEM parts returns are subject to a 20% restocking fee plus shipping charges. Magnum brand stands alone when performance is what you are after. The only difference was that the GP1200 had a more powerful engine, and was heavier of course. This is a typical question of many buyers, and the answer is that it depends. For owners that do choose these heads, we recommend that the seal be inspected regularly. These models came with completely new hull design, which was much better. Such a modification is performed by Novi Performance (makers of racing carbs). But in 2000, Yamaha introduced the GP1200R, and two years later the new GP800R. You can find a lot of useful info on these models, and sometimes some good deals! Make me an offer. The Yahama GPs success story started with these models, and still continues to this day. Porpoising is when the WaveRunner continuously bounces up and down in porpoise-like movements. Buying Guide: Akebono Brake Pads; Buying Guide: NAPA Brake Kits; Changing a Battery; . In 2002, Yamaha released the GP800R. The ideal bottom surface finish is a non-shine finish created by numerous full length front to rear scratches. Shipping Info All rights reserved. In the Subject Line type RA Request. If you are unsure of your choices, call our Parts Dept before submitting your order. Unfortunately, the 2-stroke GPs have been out of production for a long time. (Note: please do not call our technicians for compression specifications, as they are not permitted to give out any of that information). The deep, full length, scratches should eventually eliminate any part of shiny surface. 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. If you are considering buying one of these PWCs, here are some factors to consider: Capacities: As we discussed above, these crafts are mainly ideal for solo rides. However it is available as an option for customers who want to get that extra bit of acceleration and fuel mixture compensating ability for their GP8. CANCELLED ORDERS. We offer Express, Next Day and 2nd Day shipping. If we want to be accurate: If you stick to these 2-stroke PWCs, this means you are selecting from very aged models. Some parts will display as "back-ordered". DISCOVER 2023 PWC MODELS Kawasaki, Sea-Doo, Yamaha, Krash, https://www.boats.com/rough-water-runners/, Copyright 2022 | All Rights Reserved | Webdesgin by, Yamaha GP800 & GP760 Specs and Review [Video], many drawbacks of owning a vintage 2-stroke WaveRunner. RIVA Racing is the #1 source for watercraft performance & OEM parts for Yamaha, SeaDoo & Kawasaki PWCs worldwide! 3671 North Dixie HighwayPompano Beach, FL 33064 USA, Phone: 800.241.4544 | 954.785.2684Email: info@rivaracing.comHours: Mon~Sat | 9a~6p EST/US. Our website is updated weekly through Yamaha. Wishlist; My Account . We will take an old vintage head and clean it, rebuild it, and make it run like new. Yamaha GP800 parts. In addition to these inconsistencies, the stock GP 800 used in the Personal Watercraft Illustrated magazine test of the FPP pipes had a peak rpm of 6980 @ 58.4 mph (Dec. 98, page 46). RETURNS. The Solas K pitch impeller proved to be the most versatile choice. For additional background info about these carbs, please read our website document Racing Carburetors 1999. Tech Support. will be charged a large package fee in addition to the regular dimensional/weight shipping cost. OEM parts or accessories order! 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. (92-octane compatible). NOTE: Group K will bill an additional $25.00 handling charge for complete engine assemblies. We must receive your request for a RAC# no more than 15 days after you receive your order to qualify for a return. Orders will be shipped best way to the shipping address you provide. This underlines the importance to regularly inspect the bolts that secure the exhaust system to its mount points on the engine. This seat is off a ski that was garaged it's whole life. Find company research, competitor information, contact details & financial data for Performance Powersports Group, Inc. of Tempe, AZ. EXPEDITING YOUR ORDER. We will then evaluate your design, estimate the cost of the project, and forecast the completion date. If you are looking for a Yamaha GP760 or GP800 to buy, you may want to know where you can still purcase one. Yamaha WaveRunner GP800 Parts Handlebars & Steering Wheels Frame & Body Starting & Charging Parts Engine Parts Fuel Parts Air Intakes & Filters Exhaust Parts Cooling Parts Ignition System Parts Foot Controls & Pegs Performance Chips Pump & Handling Electrical Parts Oils & Chemicals Repair Manuals Universal Wheels & Tires Tire Chains Reliability and durability: Keep in mind that these old 2-stroke PWCs typically require more attention compared to the 4-strokes. Other services we perform include valve seat and valve guide replacement, along with cylinder head porting and flow-bench testing. 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. 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.