- Uses Vertex #23551
- Compression Ratio 13.5:1
- Cylinder Diameter 95 mm
- Cylinder Kit Type Standard Bore High Compression
- Displacement 450 cc
- Engine Type 4-Cycle
- Includes Cylinder, Piston Kit, and Top-End Gasket Kit
YFZ 450 (17); YFZ 450 R (09-23); YFZ 450 R SE (09-23); YFZ 450 X (10-11); YFZ 450 X Bill Balance Edition (10)
