The Cometic C7145 Top End Gasket Kit is designed to support reliable engine service and improved low-end performance on select Honda XR250 motorcycles. This kit raises compression for better low-end power while providing the sealing components needed during top-end maintenance. It is manufactured by Cometic and identified by manufacturer and vendor part number C7145.
Designed for fitment with 1986-1989 Honda XR250R models and 1991-1996 Honda XR250L models, this top end gasket kit is a practical choice for rebuilding or servicing the cylinder head and related engine components. The kit uses application-specific gasket materials to help maintain a dependable seal under engine operating conditions. Verify the motorcycle model and year before installation to confirm compatibility.
Cometic graphite gaskets feature a steel core laminated on both sides with flexible graphite for strength, compliance, and sealing performance. Fiber gaskets are designed for maximum seal, flexibility, and torque retention, while the included O-ring gaskets meet or exceed OEM specifications. Together, these materials help support consistent compression and long-term service reliability when installed according to the manufacturer's procedures.
Features:
- Compression Performance: Raises compression for better low-end power.
- Graphite Gasket Construction: Features a steel core laminated on both sides with flexible graphite.
- Fiber Gasket Design: Engineered for maximum sealing, flexibility, and torque retention.
- O-Ring Gasket Quality: Meets or exceeds OEM specifications.
- Vehicle Fitment: Fits 1986-1989 Honda XR250R and 1991-1996 Honda XR250L motorcycles.
- Brand and Part Number: Cometic C7145 top end gasket kit.
Fitment:
1986 Honda XR250R
1987 Honda XR250R
1988 Honda XR250R
1989 Honda XR250R
1990 Honda XR250R
1991 Honda XR250L
1991 Honda XR250R
1992 Honda XR250L
1992 Honda XR250R
1993 Honda XR250L
1993 Honda XR250R
1994 Honda XR250L
1994 Honda XR250R
1995 Honda XR250L
1995 Honda XR250R
1996 Honda XR250L
1996 Honda XR250R
1997 Honda XR250R
1998 Honda XR250R
1999 Honda XR250R
2000 Honda XR250R
2001 Honda XR250R
2002 Honda XR250R
2003 Honda XR250R
2004 Honda XR250R