Yamaha GP 800 Performance Modifications by Group K. Our Kits. Something went wrong. Such a modification is performed by Novi Performance (makers of racing carbs). 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. Occasionally the site will display part status incorrectly or as Unavailable. It bears noting that the specification and dome design of our two kits is very different. $17.45. That is, very subtle surface irregularities could result in breeches of compression or water. 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. About Exhaust Systems As previously mentioned, this document will cover only engine platforms that utilize the stock GP 800 exhaust system. 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. Beyond trim tabs, aftermarket intake grates, ride plates, and sponsons may also help to eliminate porpoising on the Yamaha GP800 and GP760. The Yahama GPs success story started with these models, and still continues to this day. In any powersports application, it is the quality of parts that makes the difference between a fun adventure and a disappointing experience. Hull Finishing When you take delivery of any new GP 800, the bottom surface of the hull is very smooth and shiny. 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 EXPEDITING YOUR ORDER. Yamaha WaveRunner OEM Parts "Quick Links", 2000 Yamaha WaveRunner GP800 (GP800Y) Parts, 1999 Yamaha WaveRunner GP800 (GP800X) Parts, 1998 Yamaha WaveRunner GP800 (GP800W) Parts. We know that you need reliable products that will stand up to the punishment of tough environments. [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]. The end result of this design is surprisingly wide power band, along with excellent overall silencing ability. Increasing the compression of pwcs has always been an easy way to get a good overall performance increases. As stated above, stock levels change weekly so check back or call us for questionable availability. Other services we perform include valve seat and valve guide replacement, along with cylinder head porting and flow-bench testing. 2000 Yamaha GP800 (GP800Y) Original Equipment Manufacturer Parts at Yamaha Sports Plaza. About Inlet Systems The stock carbs on the GP8 are 44mm Mikuni I Body carbs. If you are looking for more power, the GP1200R could be a better deal. The GP 800 Swift Kit makes for a big increase in overall acceleration, and a 1.5 2 mph increase in peak water speed. 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. 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. The slightly steeper Solas H pitch impeller can be suited for use on the more powerful Sleeper Kit, but not the Swift Kit. 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. Air Intakes & Filters; Exhaust Parts; Cooling Parts; Ignition System Parts; Foot Controls & Pegs . All rights reserved. Part of the reason for this difficulty has been the variations in the stock machines provided to magazines and after-marketers by Yamaha themselves. All this begs the question, what about cylinder porting? Plated cylinders, like those on the GP8, can be ported. In such case, parts shall be replaced with the manufacturers replacement item at no charge. Brought to you for over 12 years by Yamaha leading online authorized OEM Parts supplier. It also features a bigger, 15.9-gallon fuel tank, which is 2.5 gallons more compared to its predecessors. Pro-1 Racing Heads is the first custom machine shop in the motorcycle industry to offer this service to the public. If you aren't sure that you have the right part #, Please Call 269-385-1540 M-F/10-6, Sat./10-3 EST. Your GP800 WaveRunner is starving for race-inspired performance? For the best experience on our site, be sure to turn on Javascript in your browser. 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. 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. The main difference was that the GP760s engine is a 745cc, 2-cylider, 2-stoke power plant. This is the ideal We will take an old vintage head and clean it, rebuild it, and make it run like new. For this reason, our stock pipe kits utilize the stock carburetors with the choke plates in. Before you make you purchase, never skip the water test and make sure you check the compression in the cylinders. Please go through the entire list and find out the right parts for the GP800. For the best experience on our site, be sure to turn on Javascript in your browser. If you would like to learn more about this hull design and the GP1200R in general, dont miss our GP1200 vs. GP1200R comparison post! PACK YOUR PARTS CAREFULLY !! This thin plating also makes for a much more conductive-friendly path for the heat of the piston to get to the water-jacket. List the Qty. 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. It should also be mentioned that as the GP760 and GP800 were powered with relatiely smaller engines, a passenger slowed them down significantly. These models came with completely new hull design, which was much better. Panier 0 Produit Produits (vide) Since Yamaha has released many different GP WaveRunners over the years, the variety of models may confuse you. 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. RIVA Racing is the #1 source for watercraft performance & OEM parts for Yamaha, SeaDoo & Kawasaki PWCs worldwide! . 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. English Automatic translation Connexion. Get the latest business insights from Dun & Bradstreet. It may be available from Japan immediately, and can ship to us in just a few days. All the sanding strokes should be front to back (continuous) for the full length of the hull. These models come powered with 4-stroke engines and have convenient seating for 3 riders. 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. The very first GP model, the Yamaha GP760 was released in 1997. RIVA Racing Apparel and Gear. '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 On-Demand Machine Shop Services. The K prop is well suited to meet the needs of both the Swift Kit and Sleeper Kit (using different pitch specifications). 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! The Solas K pitch impeller proved to be the most versatile choice. Why? AVAILABILITY. Items larger than 130 [(2xheight)+(2xwidth)=130] or heavier than 70lbs. Yamaha calls this plating Yamaha Ceramic Coating, but its basically Nicasil (a nickel-silica plating). Jeep Performance Parts; Pet Travel; Snow Plows; Winter Accessories; Know How. If we want to be accurate: If you stick to these 2-stroke PWCs, this means you are selecting from very aged models. All we care about is what is actual stock production rpms. We finally obtained a showroom production 99 GP 800 for our testing. There seems to be a problem serving the request at this time. This affordable Novi carb modification is not a standard component of our kits. . About Cylinder Porting The cylinders on the GP 800 are unconventional by pwc standards. Free Shipping on orders over $150 in the USA. 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. It short, Yamaha engineer changed the radius on the back edge of the trim tab area of the hull on the 99 models. While the difference in porposing is significant, the dimension difference is somewhat subtle. We now have all of our standard services available for the RZR 900 or RZR 1000. Are GP760 and GP800 WaveRunners still worth buying? Copyright 2021-present RIVA Racing. Although the GP series was equipped with Yamahas QSTS (Quick Shift Trim System), it could not completely eliminate this effect. (GP760: 90HP, GP800: 120HP). Need paint or powder coating removed from your engine components? If you find some at a much lower price, always be suspicious. 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. We consider the stock head gasket to be a very important part of maintaining a lasting compression and water jacket seal. OEM Parts Diagrams 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. In 2002, the GP800 got a completely new design, and was re-indroduced as the GP800R. It got a slightly bigger, 784 cc, 2-cylinder engine. The second tank yielded 7250 rpm, and the third tank attained our eventual sustained peak of 7320 rpm. Fits The Following Models: 2000 YAMAHA GP1200R FREE FLOW EXHAUST KIT 2001 YAMAHA GP1200R FREE FLOW EXHAUST KIT Note: we do not recommend 3-Day Select as it is usually not a benefit to the customer. Exceeding the optimum ratio resulted in a peak rpm loss, and slight overheating. Both the Recreational and Competition finish modes include all the same port timing, port shaping, and specification work. We now offer paint stripping as a standalone service. Ecardeals America Inc. For better hook-up, we recommend the R&D top loader scoop grate. Reconfirm your part numbers prior to placing your order. Size: Qty. Because of this, many owners equipped their crafts with trim tabs, which usually made a huge difference. Part(s) returned MUST BE IN ORIGINAL PACKAGING . However there does seem to be a huge (and unexplainable) difference in the peak operating rpms of these machines. Wishlist; My Account . DELIVERY DATES given online or verbally are not guaranteed dates, but are approximate only. More load made them too unstable and uncomfortable. 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. As of this writing, we have not conducted any extensive testing with the FPP dual pipes. And these mods all affect the asking price! This thin, but super tough, bore diameter has a much lower friction coefficient than iron, thus allowing for much quicker piston acceleration. _______________________________________________________________________________________________________________________. This carb modification, by itself, does not result in a genuine power increase. Orders usually ship from our shipping center the same day as the order is fulfilled. The GP760 offered a really fun ride and easy control due to its lightweight semi V-shaped hull. RETURNS. Yamaha OEM GP800 WaveRunner PWC Jet Ski parts returns must have a RA# and be made within 15 days of receipt of order. We have a wide selection of products for your powersports needs, sourced from the industry's biggest names. This means that the GP800R offered 120HP and a top speed of around 55mph, just like its predecessor. When it comes to choosing quality parts and accessories for your Yamaha WaveRunner GP800R, you can rely . 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. The price strongly depends on their condition. 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. No returns on Yamaha GP800 WaveRunner electrical OEM parts. This stock pipe is a fully water jacketed system that induces interior cooling water at the stinger tip (unlike most other systems that induce interior cooling water up in the head pipe). They also have smaller storage and fuel capactities compared to a newer 4-stroke WaveRunner. This porting, like the Sleeper kit itself, is developed to be effective enough for local closed course racing, yet reliable enough for endurance racing. This is a solid 100 rpms under target with no apparent loss of radar speed. EXCEPT, when the return is due to our error. It offers a higher performance (155HP) thanks to its bigger 3-cylinder engine. But in 2000, Yamaha introduced the GP1200R, and two years later the new GP800R. 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. In the event of a major failure, the cylinder must be replaced. We accept all major credit cards for golf cart partsand accessories. Yamaha dealers have a service bulletin that outlines how to make this simple, but effective, modification on the older 98 hulls. Ouvert du lundi au vendredi de 10h 18h non-stop Nos Locaux. We sell superb quality Yamaha performance spark plugs. 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. Additionally, you can also find out where can you can still find these amazing vintage WaveRunners. The installation of an aftermarket flame arrestor does increase cfm (cubic feet per minute of air) and help overall performance. View cart for details. To further reduce porpoising, we recommend the R&D ride plate. As we complete our testing with the dual-pipe platforms, we will be posting that information to a separate document. Privacy Policy vs $450. We know that you need reliable products that will stand up to the punishment of tough environments. This is our short Yamaha GP800 review. 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. This effect can be very distracting and annoying when trying to cover rough water at high speeds. Even if it wasnt as sporty as a stand-up, an experienced rider could perform some really good tricks on this sit-down WaveRunner. 1720 W Elliot Road, Suite 101. 1998 - 2000, Yamaha GP800 Waverunner OEM Apparel & Gear, Yamaha GP800 WaveRunner Aftermarket Accessories The peak rpm of our GP8 kits lies just below this limiter (we accomplish this by varied impeller pitches). Aside from the GP760, the other GP models also dont fail when it comes to performance. We will then evaluate your design, estimate the cost of the project, and forecast the completion date. on sales, new arrivals, and more. The porting mods used in our Sleeper kit are the result of many months of performance and wear evaluation testing. NOTE: All valve jobs are CNC machined . 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. Yamaha GP800 parts. For additional shipping charges we can change your shipping preference. However special attention (and special cutters) must be used to assure that the plated liner is not compromised. GP Pro Pant Hazy Friday Red / White. When it comes to choosing quality parts and accessories for your Yamaha WaveRunner GP800, you can rely on our expertise. Official online store Yamaha Wave venture GP800 XL760 XL GP760 ignition coil pack 760 64X-85570-00-00 Fast Delivery to your doorstep Fashion flagship store deinemutterwitze.net, C $128.44 Find many great new & used options and get the best . LOYALTY MEMBERS receive 745 Points. They offered legal rides for 2 people. As 2-stroke sit-down WaveRunners have not been in production for a long time, there are fewer and fewer of them for sale. 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 We apologize that we cannot estimate this in advance but each item and final shipping destination can vary. 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. K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Honda, Kawasaki, Polaris, Yamaha Vehicles, KN-303 Visit the K&N Store 4.8 out of 5 stars 6,668 ratings It would be best if you start your research in the fan groups on forums and social sites. 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. These vintage GP WaveRunner were in production from 1997-2005. We also do complete engine and pump assemblies for customers who want a finished unit ready for installation. Order online and save 30% on Yamaha Parts, 25% on Yamaha Accessories. But lets face it, riding with passengers on these PWCs is not very good. Yamaha GP800 WaveRunner OEM parts returns are subject to a 20% restocking fee plus shipping charges. What other company offers this to their customers? NOTE: All valve jobs are CNC machined valve seat profiles for optimum performance! The new GP series was introduced in 2007. If youre looking for a Yamaha GP800 or GP760 to buy, this post is for you. Instructional Videos You are responsible for what you order! GOLF CART PARTS COMPANY. . The Competition mode also includes additional exhaust port finishing and a transfer port rough finish that further improves fuel atomization. All rights reserved. Additionally, their engines are worn out, and if you have to repair or even rebuild them, it could be a big hassle. As you can see, these Yamaha GPs still have asking prices that are quite high. The huge increase in overall torque allows the GP8 to bolt out of high-speed turns with no bogging at all. The GP1800R HO is powered with a non-supercharged, 180HP engine, while the GP1800R SVHO features a more powerful, 250HP supercharged power plant. EXCEPT, when parts are returned and deemed by seller to be unsatisfactory due to a manufacturers defect. Yamaha OEM GP800 WaveRunner PWC Jet Ski parts returns must have a RA# and be made within 15 days of receipt of order. During the testing of our kits, we tried the other ignition curves available in the Riva cdi box. You can also expect lower fuel mileage and if you ride hard you can even dry a GPs fuel tank in an hour! The dual pipes are certainly an effective modification, however some GP8 owners consider them a bit too costly or too complex. No part of this website can be reproduced without written consent of the owner. Look your part numbers up online. This added vacuum loss creates a mid-range lean condition that cannot be adjusted or jetted away. 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. $149.00. The afore mentioned loss of the inlet tract vacuum is referred to as a loss of signal. 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). Where America goes for Yamaha OEM Parts and Accessories, 2000 Yamaha GP800 (GP800Y) Original Equipment Manufacturer Parts at Flemington Yamaha. If you dont have mechanical skills, you may run into difficulties if you have to adjust the carburetor or fix other parts. 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.