The Cometic C3635 79mm Top End Gasket Kit is designed for reliable engine sealing and improved low-end performance in compatible Honda motocross and cross-country applications. This kit raises compression to help deliver stronger low-end power while supporting dependable operation during demanding riding conditions. It is engineered for select Honda CRF250R and CRF250RX models from 2018 through 2023.
Manufactured by Cometic, the C3635 kit uses application-specific gasket materials selected for sealing performance, flexibility, and torque retention. The graphite gaskets feature a steel core laminated on both sides with flexible graphite, helping maintain a consistent seal through engine heat cycles. Fiber gaskets are designed for maximum sealing capability, flexibility, and torque retention, while the included O-ring gaskets meet or exceed OEM specifications.
Fitment includes the 2018, 2019, 2020, 2021, 2022, and 2023 Honda CRF250R, along with the 2019, 2020, 2021, and 2022 Honda CRF250RX. Confirm the motorcycle model and year before installation to ensure proper application. The manufacturer part number is C3635, and the vendor part number is 68-36350E.
Features:
- Compression Increase: Raises compression for better low-end power.
- Graphite Gaskets: Steel-core construction laminated on both sides with flexible graphite for dependable sealing.
- Fiber Gaskets: Designed for maximum seal performance, flexibility, and torque retention.
- O-Ring Gaskets: Meet or exceed OEM specifications for reliable engine sealing.
- Application: Fits select 2018-2023 Honda CRF250R and 2019-2022 Honda CRF250RX models.
- Brand: Cometic.
- Manufacturer Part Number: C3635.
- Vendor Part Number: 68-36350E.
Fitment:
2018 Honda CRF250R
2019 Honda CRF250R
2019 Honda CRF250RX
2020 Honda CRF250R
2020 Honda CRF250RX
2021 Honda CRF250R
2021 Honda CRF250RX
2022 Honda CRF250R
2022 Honda CRF250RX
2023 Honda CRF250R
2023 Honda CRF250RX