Description & Size Guide
Stroker CrankshaftFactory 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. Connecting rod side clearance is 0.30 mm - 0.75 mm
+2.00 mm stroke increase makes into 259 cc.
When using Cylinder Works big bore cylinder kit it will make into 280.5 cc.
Uses stock piston.Honda CRF 250 R 2010-2017
This item fits to following bikes.
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