
Stroker Crankshaft 09210039
0921-0039
$481.95
in-stock
Crankshaft Assembly - Stroker - Yamaha
Factory assembled and trued to OEM specifications
Drop in replacement crankshaft requires no modification unless noted
CNC machined and dynamically balanced to suit the increased stroke
Add +2.00 mm to +4.00 mm of stroke depending on application
Uses stock piston unless noted
Main bearings not included
Can be matched with Cylinder Works Big Bore cylinders to get significant displacement and horsepower gains
Not re-buildable as the rods are shorter than OEM.