Moose Racing Steel Front Sprockets for Honda MB5/ MR50/ Z50A-R/ ZB50/ CR60R/ CL-C70/ CT70 3-Speed/ CT-SL70/ XL70/ XR70R/ XL-XR75/ XL-XR80/ CRF-XR80R/ CR80R/ ATC70/ TRX70 4-Trax

• Item fits MB5 1982, MR50 1974-1975, Z50A/R 1969-1999, ZB50 1988, CR60R 1983-1984, CL/C70 1969-1983, CT70 3-Speed 1969-1994, CT/SL70 1971-1972, XL70 1974-1976, XR70R 1997-1999, XL/XR75 1973-1979, XL/XR80 1979-1986, CRF/XR80R 1985-2008, CR80R 1980-1985, ATC70 1973-1985 and TRX70 1986-1987 models.
• Note: May require lock plate modification.
• OEM Gearing – 14/43 MB5 82, 12/43 MR50 74-75, 13/34 Z50A/R 69-99, 15/37 ZB50 88, 14/37 CRF/XR50R 00-08, 14/45 CR60R 83-84, 14/36 CL/C70 69-83, 13/44 CT/SL70 71-72, 13/44 XL70 74-76, XR70R 97-99, 14/44-46 XL/XR75 73-79, 15/37-14/46 XL/XR80 79-86, 14/46 CRF/XR80R 85-08, 14/47 CR80R 80-83,14/35 ATC70 73-81, 13/36 ATC70 82-85/ TRX70 86-87 and 14/49 CR80R 84-85.
• Front Sprocket Size - 12T
• Machined from impact and wear resistant chromoly-steel.
• Inner splines are broached to provide maximum spline-to-countershaft contact. This helps distribute driveline forces over the largest possible area.
• Heat treated, then finished with a nickel coating for corrosion resistance and lubricity.

JC Motors Part# M603-21-12