Crankshaft – YX 50

This genuine YX50 crankshaft kit is designed to fit YX 50cc engines, providing a precise and durable replacement for maintaining peak performance.

Specifications:

✅ Compatible Engine Code: 1P39FMA
✅ Stroke: 41.8mm
✅ Conrod Total Length: 152mm
✅ Gudgeon Pin Hole: 13mm
✅ Crankcase Bearing Outer Diameter: 52mm / 52mm
✅ Crank Outer Diameter: 87mm
✅ Crankshaft Total Length: 201mm
✅ Flywheel Shaft Diameter: 19mm / 16mm
✅ Clutch Shaft Teeth: 6
✅ Timing Gear Teeth: 14
✅ Flywheel Nut: M10
✅ Clutch Nut: M14

Ideal for pit bikes and monkey bikes, this high-quality OEM crankshaft ensures smooth operation and reliability for your YX 50cc engine.