Prox Crankshaft Bearing Set for KTM SX 125 1998-2023 & SX 144 2008 & SX 150 2009-2023 & EXC 150 TPI 2020-2023 & Husqvarna TC 125 2014-2023 & Gas Gas MC 125 2021-2023

Prevent costly engine damage and restore your 125/150cc 2-stroke engine to quiet, smooth, powerful running with the ProX Crankshaft Bearing Kit. This complete crankshaft bearing and seal kit is specially curated for a wide range of popular KTM, Husqvarna and Gas Gas models, and is the ideal choice for a crankcase overhaul, full engine rebuild or preventative maintenance.

ProX Racing Parts exclusively uses high-quality bearings from top manufacturers such as Koyo and NTN. The kit includes two precision crankshaft main bearings plus all matching crank seals for a complete, leak-free installation. The bearings are manufactured exactly to OEM specifications, offer excellent heat resistance, and are built to withstand the extreme RPMs and loads of a 125/150cc 2-stroke dirt bike.

Over time, play, humming or rattling noises and oil leaks will develop due to wear, dirt and heat. This can lead to serious engine damage. With this ProX kit, you can quickly install a tight crankshaft again that creates less friction, runs smoother, and extends the service life of your connecting rod, piston and entire engine.