
HOT RODS Crankshaft Kit specially designed to recondition the bottom end of your Yamaha YZ250F (CG34). Ideal for motocross riders looking to renew the primary transmission and regain a healthy engine feel after disassembly or mechanical incident.
The kit includes everything essential for a complete and reliable renovation of the bottom end:
This pack allows for the simultaneous replacement of the crankshaft, bearings, and seals to prevent leaks and unwanted vibrations. By restoring the rotating elements and support surfaces, you limit future wear of the block and facilitate the adjustment of the timing and engine setting during reassembly. Compatible with YZ250F CG34 (2014 and 2015 models).
Installation recommended by a professional or a preparer familiar with 4-stroke motocross engines. After installation, follow the break-in procedures and torque control recommended by the manufacturer to ensure longevity and safety of use.



