SSP-G QMB139 50cc Performance Clutch Set

High Performance Clutch Assembly w/ Ventilated Clutch Bell for QMB139 50cc, 4-stroke engines.

Includes 1500RPM torque spring and 1000RPM clutch springs.


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• Clutch Bell Inner Diameter: 107mm
• Clutch Bell Outer Diameter: 115mm
• Clutch Inner Diameter: 12mm
• Uses 6901 RS bearing
• Number of Splines (clutch bell): 22
• Splined Inner Diameter (peak to peak): 11mm
• Splined Inner Diameter (valley to valley): 12mm
• 1500 RPM Torque Spring
• 1000 RPM Clutch Springs
• Made in Taiwan