PRIMARY DRIVE GEAR

21111-32000 FITS TM400 (1971) TM400 (1972) TM400 (1973) TM400 (1974) TM400 (1975) TS400 (1972) TS400 (1973) TS400 (1974) TS400 (1975) TS400 (1976) TS400 (1977)