Honda S90 SL90 ST90 TRX125 ATC185 200. 24mm/ 20mm Spanner. Honda 14mm clutch locknut on CRF50, XR200 1980-1984, XR200R 1981-1994, XR250L 1991-1994 & XR250R 1986-1994, CL,CT,SL& XL models. Honda 14mm Clutch Locknut on: CRF50/Z50/XR50/ATC70/C70/CL70/CRF70/CT70/SL70/TRX70/XL70/XR70/TRX90.