Wrist pin bearing with modern extended shoulder design is much stronger than wrist pin bearing designs from the 1970’s
12x15x16.3mm
1967 Hodaka Ace100
1968 Hodaka Ace100
1969 Hodaka Ace100
1969 Hodaka Super Rat
1970 Hodaka Ace100B
1970 Hodaka Super Rat
1971 Hodaka Ace100B
1971 Hodaka Super Rat
1972 Hodaka Ace100B
1972 Hodaka Super Rat
1973 Yamaha GT1
1973 Hodaka Dirt Squirt
1973 Yamaha GTMX
1974 Yamaha TY80
1974 Yamaha YZ80
1974 Hodaka Dirt Squirt
1974 Yamaha GT80
1974 Yamaha GTMX
1975 Yamaha TY80
1975 Yamaha YZ80
1975 Yamaha GT80
1975 Yamaha GTMX
1976 Yamaha YZ80
1976 Yamaha GT80
1976 Yamaha GTMX
1977 Yamaha YZ80
1977 Yamaha GT80
1978 Yamaha YZ80
1978 Yamaha GTMX
1978 Yamaha GT80
1979 Yamaha YZ80
1979 Yamaha GTMX
1979 Yamaha GT80
1980 Yamaha YZ80
1980 Yamaha MX80
1980 Yamaha GT80
1981 Yamaha MX80
1981 Yamaha DT80
1982 Yamaha MX80
1982 Yamaha DT80
1983 Yamaha DT80