Upgrade the sealing performance and low-end power potential of your two-stroke engine with the Cometic C7158 Top End Gasket Kit. This kit is designed for select Yamaha YZ125 applications and includes gasket materials engineered to support reliable compression, consistent torque retention, and dependable sealing during demanding riding conditions.
The Cometic C7158 kit features graphite gaskets with a steel core laminated on both sides with flexible graphite. This construction helps provide durability and conformity across sealing surfaces. Fiber gaskets are designed for maximum seal, flexibility, and torque retention, while the included O-ring gaskets meet or exceed original equipment manufacturer specifications. Together, these components provide a practical solution for top-end service and engine maintenance.
Fitment includes 1994, 1995, 1996, and 1997 Yamaha YZ125 models. The manufacturer is Cometic, and the manufacturer and vendor part number is C7158. Verify the model year and engine application before installation to ensure proper fitment. This top end gasket kit is intended for replacing service-worn sealing components during a cylinder, piston, or top-end rebuild.
Features:
- Compression Improvement: Raises compression to support better low-end power.
- Graphite Construction: Steel-core gaskets are laminated on both sides with flexible graphite for durable sealing.
- Fiber Gaskets: Designed for maximum seal, flexibility, and torque retention.
- O-Ring Sealing: Gaskets meet or exceed original equipment manufacturer specifications.
- Fitment: Fits 1994-1997 Yamaha YZ125 models.
- Brand and Part Number: Cometic C7158 top end gasket kit.
Fitment:
1994 Yamaha YZ125
1995 Yamaha YZ125
1996 Yamaha YZ125
1997 Yamaha YZ125