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Leave all purchase stickers on packages. Franais. 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. email to: [emailprotected]Please contact our Webmaster with questions or commments. It bears noting that the specification and dome design of our two kits is very different. Lets be honest, every PWC has its strengths and weaknesses, and GPs are no exception. Most of this lost fuel delivery can be recouped with richer carb adjustments. 908-237-0099. The stronger signal of this modification greatly improves the carburetors ability to self adjust the fuel mixture for changes in altitude and air temperature. An added side effect of this modification is improved throttle response and improved ease of tuning. But in 2000, Yamaha introduced the GP1200R, and two years later the new GP800R. Panier 0 Produit Produits (vide) 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. Both of our kits for the GP8 utilize all the stock exhaust components with the stock plumbing. 4 interest-free installments of $37.25 by. 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). For a better comparison, we compiled all the GP WaveRunners ever built into one chart. In such case, parts shall be replaced with the manufacturers replacement item at no charge. / WHOLESALE TRADE / MERCHANT WHOLESALERS, DURABLE GOODS / MOTOR VEHICLE AND MOTOR VEHICLE PARTS AND SUPPLIES MERCHANT WHOLESALERS / UNITED STATES . . 1998 - 2000, Yamaha GP800 Waverunner OEM Apparel & Gear, Yamaha GP800 WaveRunner Aftermarket Accessories All rights reserved. As we complete our testing with the dual-pipe platforms, we will be posting that information to a separate document. 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. Open: Monday - Friday. 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. Yamaha GP760 and GP800 Prices The Yamaha GP760 prices start from $1,000 and go up to $2,500. RIVA Racing is the #1 source for watercraft performance & OEM parts for Yamaha, SeaDoo & Kawasaki PWCs worldwide! 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. Copyright 1995-2023 eBay Inc. All Rights Reserved. 2000 Yamaha GP800 (GP800Y) Original Equipment Manufacturer Parts at Yamaha Sports Plaza. (Sorry, we know that on mobile its quite huge. Copyright yamahapart.com. In this chart, you can compare these three entry-level GP WaveRunners. The GP 800 Swift Kit makes for a big increase in overall acceleration, and a 1.5 2 mph increase in peak water speed. 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. The most recent addition to our service line is vapor blasting. Moreover, many of these crafts are heavily modified to reduce porpoising or for better performance. We sell superb quality Yamaha performance spark plugs. Cycle Parts Nation sells new Yamaha GP800 WaveRunner OEM parts, accessories & apparel for your Yamaha GP800 WaveRunner. On occasion, the online shipping calculator will not recognize the LARGE SIZE of large-lightweight-items such as plastics, fenders, runners, frames, etc. on sales, new arrivals, and more. Please go through the entire list and find out the right parts for the GP800. RIVA Racing Apparel and Gear. These 44s are not bad carburetors, however they can respond badly to many standard types of performance modifications. We hope you like it! Reconfirm your part numbers prior to placing your order. Head Sealing During our testing we found the head gasket sealing surfaces of the GP8 to be somewhat sensitive. Its worth getting to know them before you make your purchase! When it comes to choosing quality parts and accessories for your Yamaha WaveRunner GP800R, you can rely on our expertise. The GP760 offered a really fun ride and easy control due to its lightweight semi V-shaped hull. Worldwide FREE . LOYALTY MEMBERS receive 745 Points. Pro-1 Racing Heads is the first custom machine shop in the motorcycle industry to offer this service to the public. If the craft is not water-ready, and the ad says that it needs work, its best if you walk away. vs $450. The K prop is well suited to meet the needs of both the Swift Kit and Sleeper Kit (using different pitch specifications). This affordable Novi carb modification is not a standard component of our kits. About Impellers & Pumps The impeller pitch of the stock GP800 prop is much too mild to be of any use on a modified machine. . It would be best if you start your research in the fan groups on forums and social sites. 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). If youre looking for a Yamaha GP800 or GP760 to buy, this post is for you. However, it has much higher fuel consumption as well. The weight of the exhaust system helps to actually dampen the high frequency vibration of the engine assembly. Such a modification is performed by Novi Performance (makers of racing carbs). Jeep Performance Parts; Pet Travel; Snow Plows; Winter Accessories; Know How. Easy installation with noticeable results. 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. We now have all of our standard services available for the Can-Am Commander 1000. As stated above, stock levels change weekly so check back or call us for questionable availability. Order online and save 30% on Yamaha Parts, 25% on Yamaha Accessories. With respect to the GP 800 compression, our testing indicated that it is very easy to get too much of a good thing. below). 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. If you find some at a much lower price, always be suspicious. If you would like to learn more about this hull design and the GP1200R in general, dont miss our GP1200 vs. GP1200R comparison post! GP Pro Pant Hazy Friday Red / White. We specialize in CNC-machined valve seat profiles which enhance air-flow and extend valve seat life. Additionally, their engines are worn out, and if you have to repair or even rebuild them, it could be a big hassle. $17.45. Color: RED / BLACK. 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. Ecardeals America Inc. The main difference was that the GP760s engine is a 745cc, 2-cylider, 2-stoke power plant. Yamaha WaveRunner OEM Parts "Quick Links", 2000 Yamaha WaveRunner GP800 (GP800Y) Parts, 1999 Yamaha WaveRunner GP800 (GP800X) Parts, 1998 Yamaha WaveRunner GP800 (GP800W) Parts. Another modification that can significantly improve rough water hook-up is pump blueprinting. All other orders will be billed to a visa/master card or sent freight collect cod cash. Yamaha engineers chose these new I body type carbs more for their emissions friendliness than their performance ability. With this power source the performance of the Yamaha GP800 jumped up to 120HP, as its top speed also reached the 55mph. (Note: please do not call our technicians for compression specifications, as they are not permitted to give out any of that information). Free shipping. Hours: 9 AM - 4 PM. Fits The Following Models: 2000 YAMAHA GP1200R FREE FLOW EXHAUST KIT 2001 YAMAHA GP1200R FREE FLOW EXHAUST KIT Please have Year, Make, Model and Serial Number ready before calling. 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. 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 will take an old vintage head and clean it, rebuild it, and make it run like new. This means the USA warehouses are out of stock. 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. We consider the stock head gasket to be a very important part of maintaining a lasting compression and water jacket seal. In spite of the lower displacement and the 2-cylinders, the Yamaha GP760 produces no less than 90HP. For the best experience on our site, be sure to turn on Javascript in your browser. Are you wondering what the differences are between the GP760, GP800, and GP800R? 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. Beware that these issues can happen more often than you think. Items larger than 130 [(2xheight)+(2xwidth)=130] or heavier than 70lbs. . 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. Repair your GP800 with best replacement parts available only here. You are responsible for what you order! . All rights reserved. In situations of minor damage to the plating, re-plating of the cylinders is available from the aftermarket. We know that you need reliable products that will stand up to the punishment of tough environments. During the testing of our kits, we tried the other ignition curves available in the Riva cdi box. In contrast, GP800 prices range from $2,000-$3,500, while a GP800R costs around $2,500-$4,000. We will then evaluate your design, estimate the cost of the project, and forecast the completion date. 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. We bring up all this information because we suspect there has been a whole lot of testing of aftermarket components that has been done on GP 800s that do not have production rpm peaks. 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. Discount PWC Performance Parts, Kits and Accessories for Kawasaki, Sea Doo, Yamaha and Honda personal watercrafts since 2005. . 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. The dual pipes are certainly an effective modification, however some GP8 owners consider them a bit too costly or too complex. For the best experience on our site, be sure to turn on Javascript in your browser. 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! 1720 W Elliot Road, Suite 101. Porposing: Dont forget that all of these old GP WaveRunners are prone to porpoising. These vintage GP WaveRunner were in production from 1997-2005. The Yahama GPs success story started with these models, and still continues to this day. 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. Just send us your specifications and/or a blueprint. We now offer paint stripping as a standalone service. Something went wrong. The only difference was that the GP1200 had a more powerful engine, and was heavier of course. View cart for details. However special attention (and special cutters) must be used to assure that the plated liner is not compromised. List the Qty. CANCELLED ORDERS. Here, in the next section we will go though the GP760 and GP800 specs and performance. Make me an offer. This porting also includes the matching of the exhaust valves in the cylinder, so the cylinder must be sent complete with the exhaust valves and shafts. '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 We re-visited these same tests with our GP 800 project, and found similar benefits. We have a wide selection of products for your powersports needs, sourced from the industry's biggest names. This model was powered with GP800s 120HP engine, but shared the hull with the GP1200R. Size: Qty. (GP760: 90HP, GP800: 120HP). 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). 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. If we dont have it we will find it if available, and ship with your order at our published discount rate. We accept all major credit cards for golf cart partsand accessories. But surprisingly, the Yamaha GP760 can reach the amazing 52-54 mph even with the smaller engine option! When requesting this service please send name, order number and shipping preference to us via Email. But keep in mind, that even if these modifications help a lot, they cannot completely eliminate this problem. Check Out Our Pro-Series Steering Systems, Now In Stock! 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). This is becasue this model is less prone to porpoising due to their new hull design. While the stock limiter is unnoticeable on smooth water, the same cannot be said for rough water riding. This is because their small, flat hull becomes tipsy when it has a bigger load. dont miss our GP1200 vs. GP1200R comparison post! This is a typical question of many buyers, and the answer is that it depends. 4 interest-free installments of $37.25 by . As of this writing, we have not conducted any extensive testing with the FPP dual pipes. 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. Sea-Doo XP For Sale: Are They Still Worth Buying? If the impeller reconnects with the water at this reduced rpm moment, the boat experiences a landing with the brakes on kind of feeling. For a better view, we recommend looking at it on a PC!). Quick Shipping and a large inventory, this is where America goes for all its Yamaha OEM Parts. We will reply to your e-mail (or mail) and send you a unique Return Authorization Card #. There seems to be a problem serving the request at this time. Another factor to consider is that many of these mods increase the PWCs fuel consumption as well. As weve already discussed, the 760 was released with the same hull as the GP1200. This new mod will substantially increase performance and is relatively new to the industry. Costs: Regarding costs, they are cheaper to buy, but more expensive to operate due to the repair costs and their high fuel consumption. SHIPPING. This effect can be very distracting and annoying when trying to cover rough water at high speeds. Elite Distributor Elite OEM (Original Equipment Manufacture) Parts Distributor for premium brands! The 3.5 4 mph increase of the Sleeper kit puts this lightweight on a par with most of the top muscle-boats. Our solution is to custom pitch the impellers for our GP 800 kits. It may be available from Japan immediately, and can ship to us in just a few days. But in spite of this, many are still running! Buying Guide: Akebono Brake Pads; Buying Guide: NAPA Brake Kits; Changing a Battery; . 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. Given this, you may see rpm data from various aftermarket manufacturers that may seem conflicting. We are now rebuilding cylinder heads for vintage motorcycles. Please check back or call us, as the status may change with the next update. 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. 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. This underlines the importance to regularly inspect the bolts that secure the exhaust system to its mount points on the engine. No part of this website can be reproduced without written consent of the owner. 4 interest-free installments of $37.25 by. 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. Find company research, competitor information, contact details & financial data for Performance Powersports Group, Inc. of Tempe, AZ. 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. All ported cylinders are also honed. Gilbert AZ, 85233. It seems they are like fine wines! Part of the reason for this is a significant variation in the pitches of the blades on many aftermarket impellers. 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. When it comes to the Yamaha GP760 vs. GP800 vs. GP800R debate, we can say that the GP800R is the best pick. For additional background info about these carbs, please read our website document Racing Carburetors 1999. 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). You can also expect lower fuel mileage and if you ride hard you can even dry a GPs fuel tank in an hour! The slightly steeper Solas H pitch impeller can be suited for use on the more powerful Sleeper Kit, but not the Swift Kit. If you are looking for a Yamaha GP760 or GP800 to buy, you may want to know where you can still purcase one. Additionally, you can also find out where can you can still find these amazing vintage WaveRunners. Copyright 2009-2020 Pro-1 Racing Heads. GP Pro Pant Blends Camo Red / Black. 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. 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. The best way to accomplish this finish is with a piece of very coarse emery (40 60 grit is best). This new shape eventually led to a 93-pound weight gain, while its engine remained unchanged. 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. 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. Sales & Support | 954.785.2684. 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. EXPEDITING YOUR ORDER. Yamaha dealers have a service bulletin that outlines how to make this simple, but effective, modification on the older 98 hulls. But lets face it, riding with passengers on these PWCs is not very good. The peak rpm of our GP8 kits lies just below this limiter (we accomplish this by varied impeller pitches). For owners that do choose these heads, we recommend that the seal be inspected regularly. About Handling One of the biggest differences between the 98 and 99 GP 800s is the hull change intended to reduce porposing. About Ignitions The stock ignitions on the GP8 have a limiter at around 7450 rpm (+/- 50 rpm). Free Shipping on orders over $150 in the USA. 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. Increasing the compression of pwcs has always been an easy way to get a good overall performance increases. yamahapart.com OEM Yamaha parts and Accessories up to 40% off MSRP. 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. located in Tempe, AZ. In any powersports application, it is the quality of parts that makes the difference between a fun adventure and a disappointing experience. There will be no cancellation charge, when an ordered part is coded UNAVAILABLE, NO ESD (Estimated Ship Date), or DISCONTINUED, by Yamaha. OEM Parts Diagrams English Automatic translation Connexion. 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. We stock thousands of OEM Yamaha parts. If you aren't sure that you have the right part #, Please Call 269-385-1540 M-F/10-6, Sat./10-3 EST. Wishlist; My Account . However there does seem to be a huge (and unexplainable) difference in the peak operating rpms of these machines. In contrast, GP800 prices range from $2,000-$3,500, while a GP800R costs around $2,500-$4,000. Dont hestiate to discover and compare these flagship GP WaveRunners to their competitor Sea-Doo and Kawasaki models! GOLF CART PARTS COMPANY. Privacy Policy 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. Replaces the restrictive sound suppression system on GP800R and GP1200R Waverunners. About Cylinder Porting The cylinders on the GP 800 are unconventional by pwc standards. In the Subject Line type RA Request. OVERSIZE PARTS AND PACKAGES. $149.00. Chat Now Why Partzilla? If you are looking for more power, the GP1200R could be a better deal. As you can assume, this model offers a lower top speed compared to its brothers. Subsequent tests of other stock GP 800s have shown similar peak rpm results. 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). Just send us your specifications and/or a blueprint. 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 must receive your request for a RAC# no more than 15 days after you receive your order to qualify for a return. That is, If you have the head modified for the Swift Kit, that head will have to be re-cut again if you later decide to upgrade to the Sleeper Kit. 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 . And these mods all affect the asking price! Instructional Videos These scratches will also allow for much better surface holding in high-speed turns. All we care about is what is actual stock production rpms. We finally obtained a showroom production 99 GP 800 for our testing. For additional shipping charges we can change your shipping preference. The price strongly depends on their condition. The very first GP model, the Yamaha GP760 was released in 1997. Removing the choke plates (in addition to the aftermarket arrestor) further weakens the inlet tract vacuum as it additionally increases cfm. Are GP760 and GP800 WaveRunners still worth buying? All rights reserved. RETURNS. Subscribe to get the latest! The ideal bottom surface finish is a non-shine finish created by numerous full length front to rear scratches. In any powersports application, it is the quality of parts that makes the difference between a fun adventure and a disappointing experience. Fast Shipping Over 7 million orders shipped! 1996 2023 Group K. All Rights Reserved. Shipping Info The Yamaha GP760 prices start from $1,000 and go up to $2,500. As a final word, our recommendation is that if you are a beginner, purchase a newer, 4-stroke, Rec-Lite or Recreation PWC. 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. Tech Support. To return a product: Send an email to sportsplaza@aol.com within 15 days of receiving your order. When parts must come from the manufacture's warehouse, additional time for fulfillment may be required. Need paint or powder coating removed from your engine components? We can say that the performance of the GP WaveRunners improved greatly over time. 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. Our cylinder porting is available in two different finish modes. 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. 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). This is our short Yamaha GP800 review. ; Instead, we will focus only on the rpm data gathered from our test units that we know to be 100% showroom production. All this begs the question, what about cylinder porting? Plated cylinders, like those on the GP8, can be ported. Lets take a closer look at this model as well! To further reduce porpoising, we recommend the R&D ride plate. 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).