Description
The Cylinder Works Big Bore Kit - 480cc +3mm is an engine-displacement upgrade for Honda CRF450L/RL 2019-2026. The original kit contents, dimensions and installation notes are preserved below for accurate engine-build planning.
Product Details
Description
Cylinder Works Big Bore Cylinder Kit
Fits Models
- CRF 450 L (2019-2020)
- CRF 450 RL (2021-2026)
- CRF 450 X (2019-2026)
Specs
- Compression Ratio: 12.0:1
- Cylinder Diameter: 99 mm
- Cylinder Kit Type: Big Bore
- Displacement: 480 cc
- Engine Type: 4-Cycle
- Includes: Cylinder, Piston Kit & Top End Gasket Kit
- Size Over Standard: 3.00mm
Fitment
Honda CRF450L/RL 2019-2026. Verify your exact model and year with the CRF's Only fitment selector before ordering.
Frequently Asked Questions
What does this product fit?
This listing is for Honda CRF450L/RL 2019-2026. Confirm your exact model and year before ordering.
Is a big bore kit a routine maintenance replacement?
No. A big bore kit changes engine displacement and should be installed as part of a properly planned engine build using the kit specifications and required supporting service.
- Brand: Cylinder Works