Honda 13300-KSR-730 Crankshaft Assembly

This Honda 13300-KSR-730 crankshaft is a genuine OEM factory replacement component designed for the CR125R off-road motorcycle series covering model years 2005 through 2007. It serves as the primary rotating assembly converting reciprocating piston motion into rotational torque within the 125cc two-stroke single-cylinder engine. Manufactured from forged steel to withstand high RPM stress and combustion loads inherent to two-stroke competition engines. The assembly includes the crank pin, main journals, and counterweights balanced to OEM specifications. Direct replacement for Honda part number 13300-KSR-730. Verified fitment for 2005, 2006, and 2007 Honda CR125R models.