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Replace the defective crankshaft sealing with this PROX oil seal designed for 2-stroke and motocross bikes. This low-profile radial seal keeps oil in place at the crankshaft bearing, limiting leaks and protecting internal parts from loss of lubrication.
Manufacturer reference: 41.2-25125
Brand: PROX
Designation: Crankshaft oil seal
Dimensions: 25 x 40 x 8 mm
Sold: individually
Category: Crankshaft oil seal — Cross universal
Common compatibilities: Yamaha YZ 125 (1977, 1978, 1979)
This oil seal is suitable for regular maintenance or restoration of your small displacement motocross bikes. Before installation, check the condition of the seat and the crankshaft surfaces as well as the dimensions to ensure proper fit. For a clean and durable installation, use the appropriate mounting tools and always replace damaged seals to prevent oil leaks and preserve engine longevity.