The Cometic C7147 Top-End Gasket Kit is designed for Honda single-cylinder engines requiring a 91 mm bore gasket set. This kit helps raise compression for improved low-end power while providing dependable sealing throughout the top-end assembly. It is engineered for fitment on the 1979 and 1980 Honda XR500, as well as the 1981 and 1982 Honda XR500R and 1982 Honda XL500R.
Cometic manufactures these gaskets using materials selected for reliable sealing, flexibility, and torque retention. The graphite gaskets feature a steel core laminated on both sides with flexible graphite, helping the gasket conform to mating surfaces while maintaining sealing strength. Fiber gaskets are designed for maximum seal performance, flexibility, and torque retention, and the included O-ring gaskets meet or exceed original equipment specifications.
This 91 mm top-end gasket kit is a practical choice for engine rebuilding, repair, or performance-focused maintenance on compatible Honda models. Verify the engine model, year, and bore requirements before installation to ensure proper fitment. The manufacturer part number is C7147, and the vendor part number is 68-7147.
Features:
- Size: 91 mm bore top-end gasket kit
- Compression: Raises compression for better low-end power
- Graphite construction: Steel core laminated on both sides with flexible graphite
- Fiber construction: Designed for maximum sealing, flexibility, and torque retention
- O-ring sealing: Meets or exceeds OEM specifications
- Fitment: 1979-1980 Honda XR500, 1981-1982 Honda XR500R, and 1982 Honda XL500R
- Brand: Cometic
- Manufacturer part number: C7147
- Vendor part number: 68-7147
Fitment:
1979 Honda XR500
1980 Honda XR500
1981 Honda XR500R
1982 Honda XL500R
1982 Honda XR500R