fits make: Yamaha. year: 2017–2019.



| Brand | WSM |
|---|---|
| Manufacturer Part Number | RU51PK66CY |
| Type | TOP END REBUILD KIT |
| Material | ALUMINUM |
| Length | 20.300 |
| Compatible Model | WAVERUNNER GP 1800 |
| Sold In Units Of | KIT |
| Piston Skirt Coated | MOS2 SKIRT COATING |
| Skuid | RU51PK66CY-1123-7 |
| Gasket Included | YES |
| Piston Over Bore Amount | 0.25 MM |
The WSM Ru51PK66CY Top End Piston Rebuild Kit is specifically designed for the Yamaha Waverunner GP1800 engines manufactured between the years 2017 and 2019. This top-tier rebuild kit includes all the essential components necessary to restore your engine to optimal performance, ensuring a smoother and more efficient operation.
The kit comes equipped with Premium Grade piston assemblies, featuring advanced design and state-of-the-art materials that significantly improve overall engine performance and durability. On average, these pistons are known to last up to 10% longer than OEM components. Each piston features a precision-machined piston skirt for maximum compression and minimal wear, ensuring efficient transfer of power from the crankshaft.
Additionally, the WSM Ru51PK66CY Top End Piston Rebuild Kit includes high-quality piston rings, along with a piston pin, piston pin retainer, piston pin bushings, and piston cap. These components are carefully engineered to fit perfectly within your engine and work harmoniously to deliver maximum performance. The piston ring set includes compression rings and oil control rings, both of which are designed to seal the combustion chamber for superior engine efficiency and oil consumption reduction.
The piston cap, a vital component within the kit, incorporates a reinforced design that can withstand the extreme engine pressures encountered during operation. This upgraded cap design enhances engine performance and contributes to smoother operation.
Featuring our proprietary manufacturing processes, the WSM Ru51PK66CY Top End Piston Rebuild Kit ensures consistent, high-quality components every time. Each component is precision-manufactured, meticulously inspected, and carefully packed to ensure a perfect fit and optimal results. Skilled technicians undergo rigorous testing to ensure they fully understand the installation process and evaluate the performance of the kit once installed on your Waverunner GP1800 engine.
In summary, the WSM Ru51PK66CY Top End Piston Rebuild Kit is an essential upgrade for any Yamaha Waverunner GP1800 engine from 2017 to 2019. With its superior pistons, rings, and other essential components, this kit enables you to restore your engine's performance and extend its life, ultimately providing you with unparalleled boating experiences on the water.
The WSM Ru51PK66CY top end piston rebuild kit is designed for Yamaha Waverunner GP1800 models from 2017 to 2019. This kit allows jet ski owners to perform a comprehensive rebuild of their craft's pistons, improving performance, reliability, and engine longevity. Below are the pros, cons, and a final recommendation.
Pros:1. Improved Engine Performance: Changing old and worn pistons with new ones ensures optimal engine performance and efficiency. New pistons will help your Yamaha GP1800 deliver improved power output and torque.
2. Enhanced engine Longevity: By replacing the pistons, you are essentially investing in the long-term health of your engine. New pistons will not only improve the overall engine condition but also extend the engine's lifespan.
3. Better Fuel Economy: A rebuild kit can help restore the engine to its factory efficiency, which can result in better fuel economy. Your fuel costs may decrease over time.
4. Cost-Effective: Although the initial cost may seem high, it could save you money in the long term. Instead of paying for costly engine repairs or replacements, the rebuild kit represents a more affordable and feasible solution.
5. DIY Satisfaction: Installing the piston rebuild kit yourself can be a rewarding experience. It takes the challenge of learning and completing the project on your own, and you don't have to rely on costly professional labor.
Cons:1. Installation Complexity: Relying on yourself for the installation process can be a daunting task, particularly for those without engine rebuild experience. Installing the pistons can require considerable time and effort, and the learning process might be costly in terms of resources and potential mistakes made.
2. Cost: The initial investment for the piston rebuild kit and related tools might seem high compared to typical maintenance tasks. However, factoring in the long-term potential savings, it could still be a cost-effective solution.
3. Time Consuming: Installing a piston rebuild kit takes significant time and dedication to ensure it's done correctly. If you do not want to spend your weekends working on your jet ski, this may not be the ideal solution for you.
4. Risk of Damage: Attempting a complex engine rebuild without professional help carries inherent risks. If you make mistakes during the installation process, it could result in further damage to the engine components or even the complete engine.
Recommendation:The WSM Ru51PK66CY top end piston rebuild kit is an excellent investment for anyone who values the long-term health and performance of their Yamaha Waverunner GP1800. DIY jet ski enthusiasts with experience in engine work, good mechanical skills, and an adequate investment in tools and resources can benefit significantly from this kit.
For those who lack the confidence, skills, or time to undertake a complex engine rebuild, it is recommended to consult professional marine engine mechanics to perform the installation safely and efficiently. No matter your level of experience, always remember that a piston rebuild represents an essential investment in your watercraft's performance, reliability, and longevity.
Item must be in original undamaged unopened packaging. This kit will only fit cylinders that are overbore to the bore size listed, standard pistons available in another listing. Piston skirt coated: mos2 coating. Piston over bore amount: 0.25mm.
2018 Yamaha waverunner gp 1800. Any fitment provided is for us spec model's. These kits contain overbore pistons, ring sets, wrist pins, racing needle bearings, head base gaskets, intake exhaust and improved e-clips. Platinum series pistons feature specially formulated non-abrasive skirt coatings and hardened tops for added horsepower longevity.
The piston walls are treated with a nonabrasive coating which reduces heat and friction for added horsepower greatly extends life. Stock cylinders will need to be re-bored and re-plated the appropriate size. These Wsm platinum series overbore top end piston rebuild kits are high-quality and feature construction that meets or exceeds oem specifications. This kit is for cylinders that have already been overbore.
2017 Yamaha waverunner gp 1800. Gasket included: yes. Finding the correct pistons and gaskets to rebuild an overbore engine can be challenging, but you're in luck. Use our shipping packaging to ship back the item, do not tape label directly original manufacturers box.
Made to exact oem specifications. Platinum series pistons are made of high strength hardened aluminum designed to prevent skirt and ring groove breakage. Material: aluminum.
