Engineworx Crankshaft Bearing and Seal Kit Sherco 250 SEF-R 15-18 300 SEF-R 15-18 drop8 Soft poly foam reinforcement on

Soft poly foam reinforcement on ankles and collar for long lasting comfort and shock absorption

maximizes horsepower-critical air flow-through

- YAMAHA YZ 450 FX 2023 2024

5W / 10W / 15W

Engineworx Crankshaft Bearing and Seal Kit Sherco 250 SEF-R 15-18 300 SEF-R 15-18 drop8 Soft poly foam reinforcement onEngineworx Crankshaft Bearing and Seal Kit Sherco 250 SEF R 15 18 300 SEF R 15 18 Engineworx Crankshaft Bearing and Seal Kits are the new price leaders in engine rebuild components. Kits are supplied using NTN bearings made in Japan which are renowned for the supplying many of the leading manufacturers with OEM Materials for their engines. OEM specification seals feature a double lip design with a PTFE contact area to ensure maximum seal life.