- Precision crank bearings
- Kits contain right and left crankshaft bearings; 2-stroke kits contain outer seals
- Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines
- 4-stroke crank bearings do not include seals
Yamaha -- YZ 250 -- (1984, 1986, 1983, 1981, 1985, 1978, 1980, 1976, 1979, 1982, 1987, 1977); Yamaha -- IT 250 -- (1982, 1977, 1979, 1983, 1981, 1978, 1980); Yamaha -- TY 350 -- (1986, 1985); Yamaha -- TY 250 -- (1976, 1974, 1977, 1975); Yamaha -- DT 250 -- (1977, 1978, 1979); Yamaha -- MX 250 -- (1975)