HOT RODS Crankshaft Assembly - Stroker - Yamaha

Highlights

• 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.
• Standard Crankshaft.
• 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.