GY6 Starter Clutch Nut

Description: Starter clutch nut aka "castle nut" in most GY6 engines. This 4-notch, 39mm diameter, the nut is reverse threaded. So, make sure you are turning it in a clockwise direction. You will need a clutch nut spanner to properly remove this nut!

Specifications:

•    Outer Diameter: 30.5mm
•    Reverse Thread
•    Thread Size: M22x1.00
•    Fit 54mm Stud Spacing (A-Block)
•    Fit 57mm Stud Spacing (B-Block)
•    Fit GY6 125/150cc+

Supported Models: GY6 152QMI 157QMJ 161QMK 161QML Chinese Scooter, ATV, Genuine Buddy, Kymco, Ruckus, Vento

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Item Weight & Product Dimensions:
•   0.312 pounds | 1.214" (L) x 1.214" (W) x 0.237" (H)