- Manufacturer: Hot Rods
Hot Rods Stroker Crankshaft Assembly
- Heavy Duty (04-05) (+4.4mm stroke) makes 470cc. Uses stock piston. Heavy Duty (06-08) (+3mm stroke) makes 471cc. Uses stock piston. When using Cylinder Works #21001-K01 makes 500cc. *Does not fit fuel injected R or X models.
- All new assembly sold complete with Hot Rods connecting rod
- Factory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance
- Ready for installation
- Crankshaft is completely rebuildable with genuine Hot Rods connecting rods
- Stroker crankshaft assembly add 1.5mm to 5mm of stroke depending on application; in some cases cylinder head must be modified or special pistons used (as noted)
- Main bearings not included
- When using Cylinder Works #21001-K01 makes 500cc.
- 2004 - 2013 Yamaha YFZ 450
Manufacturer Part Number: 4173