Crankshaft Assembly For Yamaha YZ125 2005-2023 - TOFR Replacement Crank Shaft

About This Product

YZ125 riders, if you're doing an engine rebuild, this TOFR crankshaft assembly is exactly what you need! This is a direct OEM replacement that fits Yamaha YZ125 models from 2005 all the way through 2023. The quality is seriously impressive - it's built from strong alloys that can handle the high-revving nature of two-stroke engines. Weighing 2800g and measuring 30x20x15cm, it matches the original specifications perfectly. Installation is straightforward if you're familiar with motorcycle engines, though you might want to have a service manual handy for reference. The OEM part number B4X-11400-00-00 means it's designed to drop right in without modifications. Whether you're rebuilding after a seizure, doing preventative maintenance, or building a performance engine, this crankshaft delivers reliable performance. The construction feels solid and well-balanced, which is crucial for smooth operation at high RPMs. Much more affordable than going through the dealership but with quality that matches or exceeds OEM. Your YZ125 will be back to tearing up the track with this dependable crankshaft handling the power transfer. Two-stroke lovers know that a good crankshaft is the heart of the engine - this one won't let you down when you're pinned in the powerband!