fits model: 650, 700, Superjet, Blaster. make: Yamaha. year: 1991–1999.

( Manufacturer Part Number: RY1090E-65V ), ( Part Type: Crankshaft )
The Yamaha Ry1090E-65V crankshaft is a critical component of the 65V engine found in various models of Yamaha Waverunners from 1991 to 1999. These models include the 650, 700, 701, and 760 Superjet and Blaster series.
This crankshaft is a robust and reliable part, engineered to deliver optimal power and performance from the engine. It is made of high-strength materials, specifically forged steel, ensuring it can withstand the rigors of continuous use in a marine environment. The crankshaft features a precision-machined surface finish, ensuring a perfect fit and smooth operation within the engine.
The Ry1090E-65V crankshaft's design incorporates a balanced rotating mass, reducing vibration and enhancing the overall riding experience. Its unique shape and dimensions allow for efficient power transfer from the pistons to the drive shaft, delivering optimal acceleration and top-end speed.
This crankshaft also features a durable and wear-resistant coating that protects it from the harsh marine environment and corrosion. Its large diameter journal bearings ensure a reliable and long-lasting connection between the crankshaft and the engine's main bearings.
Replacing a worn or damaged crankshaft is a critical maintenance step to ensure the continued reliability and performance of your Yamaha Waverunner. The Ry1090E-65V crankshaft is specifically engineered to meet the unique needs of Yamaha's high-performance watercraft, making it the ideal choice for maintaining the optimal operation of your vessel.
In summary, the Yamaha Ry1090E-65V crankshaft is a high-strength, reliable, and efficient component that plays a vital role in the operation and performance of Yamaha Waverunners from 1991 to 1999. Its precision engineering, durable materials, and efficient power transfer make it an essential part for any serious watercraft enthusiast or professional operator.
The Yamaha Ry1090E-65V crankshaft is a popular replacement part for Yamaha Waverunners with 650-900cc engines manufactured between 1991 and 1999. Here are some potential advantages and disadvantages to consider before making a purchase.
Pros:1. Reliability: OEM (original equipment manufacturer) parts, like the Ry1090E-65V crankshaft, are designed to meet or exceed the original specifications. This often results in better reliability and durability compared to aftermarket parts.
2. Performance: A new crankshaft ensures that the engine is running at its optimal performance level. This can lead to improved acceleration, top speed, and overall power output.
3. Longevity: Replacing the crankshaft now can prevent more significant and costly engine damage in the future.
4. Warranty: OEM parts typically come with warranties that cover manufacturing defects. This provides peace of mind and potential cost savings in case of a failure.
Cons:1. Cost: OEM parts, such as the Ry1090E-65V crankshaft, tend to be more expensive than aftermarket alternatives. However, the potential benefits, like reliability and performance, may outweigh the additional cost.
2. Availability: Depending on the specific model and year of the Waverunner, the Ry1090E-65V crankshaft may be harder to find compared to aftermarket options.
3. Installation: Installing an OEM crankshaft may require specialized tools and knowledge. This could result in additional labor costs or the need to hire a professional.
Conclusion:The decision to buy a Yamaha Ry1090E-65V crankshaft for a 650-900cc Waverunner depends on individual priorities. Those who value reliability, performance, and the peace of mind provided by a warranty may find the additional cost worthwhile. On the other hand, those who are more budget-conscious or have limited availability to OEM parts may consider aftermarket alternatives.
Recommendation:If the budget allows and the Ry1090E-65V crankshaft is readily available, it is recommended to purchase this OEM part for optimal performance, reliability, and peace of mind. However, if budget constraints or availability issues exist, carefully researching and comparing aftermarket alternatives could be a viable option. Ultimately, the decision should be based on individual circumstances and priorities.
Sells new for $10 was $600 in late 90's. Take out crank still in good condition from running 701 Blaster motor. Been on the shelf for 15 years but appears to have no corrosion and everything spins freely.