Primary Gear 31T for KTM 450/500 & Husqvarna 450/501 2015-2026 - 79432023231

This genuine OEM Primary Gear 31T is a critical component of the engine's internal drive system. Located on the crankshaft, it is responsible for transferring rotational power to the clutch basket, ensuring smooth and efficient power delivery. As an original equipment manufacturer part, it guarantees precise fitment and the high-strength durability required for high-performance engines.

This gear is compatible with a wide range of 450cc and 500cc models. It fits KTM 450 SX-F, XC-F, EXC-F, and SMR models from 2015 to 2026, as well as the 500 EXC-F and XCF-W series. It is also designed for Husqvarna FC 450, FE 450, FE 501, FS 450, and FX 450 models (2016-2025), and GasGas MC 450F, EX 450F, and RX 450F Replica models from 2021 to 2025. Specialized Rally Replica editions for KTM, Husqvarna, and GasGas are also supported.

Constructed from high-grade hardened steel, this 31-tooth primary gear is engineered to withstand the extreme torque and heat generated by modern four-stroke racing engines. The precision-cut teeth minimize friction and noise while maximizing power transfer efficiency. Replacing a worn primary gear is essential for maintaining engine timing and preventing secondary damage to the transmission or clutch assembly.

Check compatibility list below to see if this part fits your motorcycle model.