CRANKSHAFT ASSY YFM350 WARRIOR, Must Use Vertex Piston 23616A, HOTRODS 8-4143 YAMAHA ATV

Hot Rods Heavy-Duty Crankshaft Assembly +4mm Stroke

Boost your Yamaha YFM350R Raptor or YFM350X Warrior's performance with the Hot Rods Heavy-Duty Crankshaft Assembly featuring a +4mm stroke. This upgrade increases displacement to 379cc, delivering significantly enhanced power and torque for your ATV. Each assembly is precision factory-assembled, trued to within.001 inches for optimal balance and accuracy, and completely rebuildable to ensure long-lasting service life.

Designed for dependable performance, this crankshaft assembly is ready for installation. It includes the Hot Rods connecting rod, MAG (LH) crank bearing, and inner crankshaft webs. For proper fitment and optimal performance, the use of the Vertex Stroker Piston 23616A is required.

Key Features:

• Heavy-duty construction with a +4mm stroke for increased displacement (379cc).
• Factory-assembled and precisely trued for superior balance and accuracy.
• Complete assembly includes Hot Rods connecting rod, MAG (LH) crank bearing, and inner crankshaft webs.
• Engineered for complete rebuildability, extending the part's service life.
• Ready for direct installation for immediate performance gains.
• Requires Vertex Stroker Piston 23616A for compatibility.