Badass One Way Starter Clutch For WR250F WR250R WR450F X Steel Bead Overrunning Bearing Guarantees Slick Engagement And No Sweat Starts Every Single Time

Overrunning Starter Clutch Assembly for Yamaha Dual Sport Bikes
✔️ Direct fit for WR250 series plus WR450F with 16 steel balls

This single starter clutch assembly replaces worn rotary parts on your motorcycle. You slide it right into the crankcase opening to fix sluggish kicks. The upgrade works perfectly on cross county trails and packed dirt tracks.

✅ 16 precision steel rollers deliver instant torque transfer
✅ Direct swap for factory part 5UM-15570-00-00 across multiple years
✅ Heavy gauge steel casing handles heavy impacts and deep mud

💡 What causes overrunning start bearing slips in dirt bikes?
This handy piece shields your ignition systems from dangerous backward spinning forces.
- Grime packs tight around the thrust washers and ruins smooth engagement
- Worn race grooves lose their gripping bite during rapid throttle reversals
- Fresh lubrication channels let the needles spin faster and lock tighter

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