Universal Parts QMB139 64mm Valve Rebuild Kit

SKU: 151-239

This item is IN STOCK

Current Stock: 44

Universal Parts 64mm Valve Assembly for 50cc 4-stroke QMB139. Includes intake and exhaust valves, inner and outer springs, valve washers, valve seals, valve keepers, and valve retainers.
  • Valve Length (intake & exhaust): 64mm
  • Shaft Diameter (intake & exhaust): 5mm
  • Intake Valve Diameter: 18.4mm
  • Exhaust Valve Diameter: 16mm
QMB139 50cc/49cc