

Specifications
- Brand
- Cometic Gasket
- Part #
- C7138
- UPC
- 191070076054

Cometic 1983 Yamaha YZ490 89mm Bore .043 Copper Top End Gasket Kit
$48.55
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Fits 1983-1984 Yamaha IT490. Cometic top end gasket kit with 89mm bore and .043 copper construction. No additional sealer needed.
Key Features
- Fits 1983-1984 Yamaha IT490.
- Includes gaskets for the top end of the engine.
- Features an 89mm bore size.
- Constructed from .043 inch thick copper material.
- No additional sealer is needed for installation.
- Proudly made in the USA with American-sourced materials.
⚠️ 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
Fits these vehicles
- Yamaha IT490 1983-1984
- Yamaha YZ490 1982-1983
Product Details
This Cometic gasket kit gives you everything you need to seal up the top end of your 1983 or 1984 Yamaha IT490. It's built with an 89mm bore and a .043 inch thick copper construction, designed to handle the pressures and temperatures modern engines can generate.
Cometic makes their gaskets right here in the USA, using materials sourced from American soil. This means you're getting a well-built part that's ready to maximize your engine's power and performance. A notable feature of this kit is that it doesn't require any additional sealer, making installation more straightforward.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C7138
- UPC
- 191070076054
Frequently Asked Questions
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Cometic 1983 Yamaha YZ490 89mm Bore .043 Copper Top End Gasket Kit


