Crankshaft - 4073

• Bolt in and go!

• Does not fit fuel injected R or X models

• Heavy Duty (04-05) (+14mm stroke) makes engine true 450cc

• Heavy Duty (06-08) standard stroke

• Uses stock piston

• When using Cylinder Works #21001-K01 makes engine 478cc

• Connecting Rod Side Clearance0.2-0.55mm

• Engine Type4-Cycle

• Final Displacement450cc

• Heavy DutyTRUE

• Increased Engine Stroke1.400mm

• Stroke63.400mm

• TypeStroker

Image used for illustration purposes only. Actual product may vary.