The Cometic C3813 97mm Top End Gasket Kit is designed for the 2023 Yamaha YZ450F, providing the sealing components needed for reliable top-end engine service. This kit raises compression to support improved low-end power while helping maintain dependable sealing under demanding motocross and off-road riding conditions.
Cometic manufactures the included gaskets to meet the performance and durability requirements of modern high-output engines. The graphite gaskets feature a steel core laminated on both sides with flexible graphite, combining structural support with sealing adaptability. Fiber gaskets are designed for maximum seal, flexibility, and torque retention, while the O-ring gaskets meet or exceed OEM specifications for dependable fit and sealing performance.
Built for a 97mm application, this top end gasket kit fits the 2023 Yamaha YZ450F. Verify engine configuration and service requirements before installation. The manufacturer part number is C3813, and the vendor part number is 68-38130E.
Features:
- Fitment: Fits 2023 Yamaha YZ450F
- Size: 97mm top end gasket kit
- Compression: Raises compression for improved low-end power
- Graphite gaskets: Steel core laminated on both sides with flexible graphite
- Fiber gaskets: Designed for maximum sealing, flexibility, and torque retention
- O-ring gaskets: Meet or exceed OEM specifications
- Brand: Cometic
- Manufacturer part number: C3813
- Vendor part number: 68-38130E
Fitment:
2023 Yamaha YZ450F