

Specifications
- Brand
- Cometic Gasket
- Part #
- C7798-EST
- UPC
- 191070043070

Cometic 04-07 Yamaha YFM660R 102mm Bore Top End Gasket Kit
$109.39
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Cometic 04-07 Yamaha YFM660R 102mm Bore Top End Gasket Kit. Includes all the gaskets needed for a top-end rebuild.
Key Features
- This kit contains all the gaskets needed for a top-end engine rebuild.
- Designed for a 102mm bore, ensuring a proper seal.
- Gaskets are made in the USA with materials manufactured on American soil.
- Built to handle higher cylinder pressures and extreme temperatures found in modern engines.
- Fits a range of Yamaha models including the YFM660R Raptor and YXR66F Rhino.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
This Cometic gasket kit gives you all the necessary gaskets to properly seal the top end of your engine. It's designed for a 102mm bore, which is important for ensuring a good seal and proper compression. You'll find everything you need for a complete top-end rebuild right in this box, made with materials manufactured in the USA.
Cometic builds these kits to handle the demands of modern engines, which often run hotter and under higher pressures than older designs. They use materials sourced domestically and are committed to updating their library to cover a wide range of powersports applications. This kit is a solid option for anyone rebuilding the top end of their Yamaha YFM660R Raptor or YXR66F Rhino.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C7798-EST
- UPC
- 191070043070
Frequently Asked Questions
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Cometic 04-07 Yamaha YFM660R 102mm Bore Top End Gasket Kit


