Stroker Crankshaft Assembly (+4mm, 209cc) 4105

All new assembly sold complete with connecting rod

Factory assembled and trued to OEM specifications, cranks will meet or surpass the OEM in performance

Ready for installation

Crankshaft is completely rebuildable with genuine 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)
All new assembly sold complete with connecting rod.
Factory assembled and trued to OEM specifications, cranks will meet or surpass the OEM in performance.
Ready for installation.
Crankshaft is completely rebuildable with genuine 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.
Head Chamber area must be machined 2mm deeper and the engine cases will need to be bored out to accept the longer stroke crank.
This item fits the following vehicle applications:
for Yamaha YFS200 Blaster 1988-2006