Stroker Crankshaft Yamaha YFS 200 Blaster 1988-2006 / Yamaha YFS 200 MNH Blaster Maine & New Hampshire 1991-1997 / Yamaha YFS 200 SE Blaster SE 2006

Stroker Crankshaft 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. +4.00 mm stroke increase makes 209 cc displacement with standard piston. IMPORTANT: Head Chamber area must be machined 2.00 mm deeper and the engine cases will need to be bored out to accept the longer stroke crank.

Supplier reference: 09210010
Manufacturer reference: 4105

UK standard delivery: 6–10 working days. In-stock parts dispatch within 2–3 working days.

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