Yamaha PW80 and BW80 owners, if your little two-stroke is having engine issues, this NICHE crankshaft might be your solution!

This is a direct replacement for OEM part number 4BC-11400-00-00 and fits 1983-2006 PW80 Y-Zinger and 1986-1990 Big Wheel BW80 models.

The crankshaft is crucial - it converts piston movement into rotational power to spin your rear wheel.

Common signs you might need a new crank include engine stalling, strange grinding noises, or general lack of power.

NICHE specializes in powersports replacement parts, so you're getting quality that matches OEM specs without the dealership price.

Installation does require some mechanical skill since you'll need to split the engine cases, but if you're comfortable with two-stroke engine work, it's totally doable.

The construction uses materials with good fatigue strength and wear resistance to handle the demands of small engine operation.

Whether you're rebuilding a childhood bike or maintaining a young rider's machine, this crankshaft gets your PW80 back to making that classic two-stroke buzz!