F750/850/800/900GS Steering Head Nut Tool

[RadioFlyer]

If anyone has (or has made) the socket (or the special BMW adapter) used to install/torque the "grooved nuts" on the steering stem would they please post the dimensions (outside diameter, inside diameter, tooth width and height)? Thank you.

I would like to make one.

 

[nicholsonj2252]

You can just tap it loose using a hammer and a brass drift or if you want the proper tool measure the size of the nut and google “castle nut socket” and match the size

I think this may be the thing you are after :

Pardon our interruption...

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[RadioFlyer]

Yes, I intend to make one of those as a winter project. BMW has a procedure with torque specs for the nut.