Yamaha Flywheel Rotor Nut OEM 90179-12657-00 Fits Banshee Blaster YZ125 YZ250 YZ450F

Alright, Yamaha guys.

This one's for you.

It's a genuine Yamaha flywheel rotor nut, part number 90179-12657-00.

This little guy fits a ton of models—think Banshee, Blaster, YZ125, YZ250, YZ250F, Zuma 125, YZ450F, and more from 1987 all the way up to 2020.

It's made from steel in Japan, so you know it's good quality.

It's a simple part, but a critical one.

If you're pulling a flywheel, you should always use a new nut.

This is the exact OEM piece, in its original packaging.

Don't trust your engine to a reused nut—grab this one and do it right.