Crank Nut RMS M12x1.25
£2.50
Commonly found on all 125-180 2T engines and some early 4 stroke engines that used a kickstart castle washer instead of washers. Later ones used conical washers and a plain nut.
Drop of Loctite is always reccomended.
Typically 78-83nm variator side & 55-60nm clutch nut and flywheel