Flat Nut for Clutch Assembly

This is a replacement flat clutch nut for the clutch systems in GY6, CN250, and CF250 motors (and more!).

For 150cc buggies, Joyner 250 and Hammerhead 250SS models, choose the 39mm nut. For all other 250cc buggies, choose the 41mm nut.

For GY6 and most CFMoto 250 scooter engines, choose the 39mm nut from the drop down menu below.
For CN250 motors, choose the 41mm nut from the drop down menu. If in doubt about any of these sizes, please measure your stock flat clutch nut for correct sizing.

We now carry a socket tool for your impact wrench to remove and replace this nut! Click below to add it to your cart!

Part Info:

• Type: Flat Nut
• Available in 39mm or 41mm (OD) size
• Price is per item

This product is the same as these vehicle-specific part numbers. Will work with hundreds of other models. Part Numbers are supplied for reference only and subject to change.

Joyner 250cc Part # SZ09007006 (41mm), 172MM-052005 (41mm) (Sand Viper 250 model with High/Low forward gearing uses the 39mm version)
Hammerhead 250SS Part # 172MM-052005 (250SS model with High/Low forward gearing uses the 39mm version)
Hammerhead UM250IIR & GTS250 Part # 172MM-052005 (41mm)
Baja Reaction 250 (2-seater model) part # (41mm)
Baja Dune 250 Part # (41mm)
Kinroad 250cc models part # (41mm)
SunL SLGK-250-2A Part # (41mm)