Built Tough Starter Clutch One Way Sprag Bearing Drop Right In Direct Fit For Kawasaki Kfx450r Ksf450b Klx450r Klx450a 2008 2019 Pro Grade Kickstart 131940008

Heavy Duty One Way Sprag Starter Clutch For Kawasaki ATVs
✔️ Direct replacement bearing for KFX450R KSF450B kickstarts

This sprag roller clutch acts as a crucial engine safeguard by allowing the starter to spin freely while preventing reverse rotation. You will drop this single pack into your drivetrain to restore solid kickstarting power on dusty trails or tight farm lanes. The hardened internal rollers handle sudden torque spikes without slipping out of engagement.

✅ One-way sprag design protects crankshaft gears from violent backdrive shocks
✅ Matches OEM part number 13194-0008 for seamless swap-out procedures
✅ Measured dimensions span 55 x 41.8 x 11.5 mm alongside 2.2 x 1.6 x 0.5 in

💡 What causes a one way sprag starter bearing to wear out early?
This drive component typically fails because the hardened rollers get scored from repeated hard kicks on rough terrain.
- Standardized steel cages prevent inner race misalignment during sudden load shifts
- Optimized spring tension ensures immediate slip protection when the crank reverses
- Factory grade tolerance allows quick bench testing before final engine assembly

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