50cc Scooter QMB139 Final Gear



Final Gears for QMB139. Choose 51 or 52 Tooth From The Drop Down Menu. 52 Tooth Option on Clearance.

51 tooth is found in short case engines and 52 tooth is found in long case engines.

Number of Splines: 19
Inner Diameter (splines peak to peak): 18mm
Thickness: 15.7mm


Additional information

Weight .98 lbs
Dimensions 8 × 6 × 6 in



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