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This crankshaft seal kit is designed for a broad range of vintage Yamaha off-road motorcycles, including DT, IT, MX, TY, WR, and YZ series models from the mid-1970s through the early 1990s. Manufactured by ALLBALLS under part number 24-2023, the kit includes both PTO and MAG crankshaft seals. These seals are engineered to match OEM specifications and feature durable PTFE double lip construction to withstand dry start conditions and reduce crankshaft pin wear.
Features
High-quality crankshaft oil seal kit includes both PTO and MAG seals
Direct OE replacement ensuring proper fit and seal
Double lip seals with PTFE contact surface for dry-start wear resistance
Specifications
Crankshaft seal kit only
Double lip with PTFE contact area
Designed to reduce crankshaft pin wear during dry starts
ALLBALLS part number: 24-2023
Alternate part number: 58-128.A
Cross-Reference OEM Part Numbers
ALLBALLS #24-2023
58-128.A
Vehicle Fitments
Yamaha DT250 1975–1979
Yamaha DT400 1975–1978
Yamaha IT250 1977–1983
Yamaha IT400 1976–1979
Yamaha IT425 1980
Yamaha IT465 1981–1982
Yamaha IT490 1983–1984
Yamaha MX250 1975
Yamaha MX400 1975
Yamaha TY250 1974–1977
Yamaha WR500 1992–1993
Yamaha YZ250 1976–1987
Yamaha YZ400 1976–1979
Yamaha YZ465 1980–1981
Yamaha YZ490 1982–1990