Stroker Crankshaft Yamaha YFZ 350 Banshee 1987-2006 / Yamaha YFZ 350 LE Banshee Limited Edition 2003-2004 / Yamaha YFZ 350 MNH Banshee Maine & New Hampshire 1991-1997 (AMERICA) / Yamaha YFZ 350 SE Banshee Limited Edition 2005-2006 / Yamaha YFZ 350 SP Banshee Limited Edition 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. Connecting rod side clearance is 0.45 mm - 0.85 mm. +4.00 mm stroker crankshaft increase with +5.00 mm longer rods makes up to 403 cc. Requires Vertex long rod pistons and Vertex gasket kit when using OEM cylinder heads. Kit Includes: • Crankshaft • Connecting Rods • Crankshaft Bearings • Labyrinth Seal

Supplier reference: H129
Manufacturer reference: 4111

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

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