The Cometic C7153 Top End Gasket Kit is designed for 1985 and 1986 Yamaha YTZ250 Tri-Z models. This 71mm kit is engineered to support dependable top-end assembly and improved low-end engine performance by raising compression. It provides a practical sealing solution for engine rebuilding, maintenance, or performance-focused applications where accurate fitment and reliable gasket materials are essential.
Manufacturer: Cometic. Vendor Part Number: C7153. The kit includes application-specific top-end gaskets designed to meet the requirements of the Yamaha YTZ250 Tri-Z engine. Graphite gaskets feature a steel core laminated on both sides with flexible graphite for strength, conformity, and reliable sealing. Fiber gaskets are designed for maximum seal, flexibility, and torque retention, while O-ring gaskets meet or exceed OEM specifications for dependable performance during operation.
Fitment includes the 1985 Yamaha YTZ250 Tri-Z and 1986 Yamaha YTZ250 Tri-Z. Verify the model year and engine application before installation. The Cometic C7153 is intended for use as a complete top-end gasket solution and should be installed according to the manufacturer's procedures, including proper surface preparation and torque specifications.
Features:
- 71mm top-end gasket kit designed for Yamaha YTZ250 Tri-Z applications
- Raises compression to support improved low-end power
- Graphite gaskets feature a steel core laminated on both sides with flexible graphite
- Fiber gaskets provide maximum sealing, flexibility, and torque retention
- O-ring gaskets meet or exceed OEM specifications
- Fits 1985 and 1986 Yamaha YTZ250 Tri-Z models
- Manufacturer: Cometic
- Vendor Part Number: C7153
Fitment:
1985 Yamaha YTZ250 Tri-Z
1986 Yamaha YTZ250 Tri-Z