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Completely Assembled non-EGR Style Cylinder Head with 69mm Valves for 50cc 4-stroke QMB139 engines. * non-EGR Style Cylinder Head * 39mm Bore * Valve Length: 69mm * Overall Height: 59.5mm * Intake Port Diameter: 17mm * Exhaust Port Diameter: 18mm * Exhaust Bolt Hole Spacing: 49.75mm * Intake Bolt Hole Spacing: 44.75mm * Please see picture for measurements
Number of Teeth: 34 Intake Lobe (widest point): 25.7mm Exhaust Lobe (widest point): 25.5mm Uses 16002/P6 bearings #9 on Diagram – Camshaft for performance gy6 50cc 4-stroke QMB139 engines. Including Sprocket
It mostly fit for GY6 50CC Muffle Exhaust.
QMB 139 50cc Performance Camshaft for gy6 50cc 4-stroke QMB139 engines. Including Sprocket * Number or Teeth:34 ; * Intake Lobe (widest point): 25.78mm ; * Exhaust Lobe (widest point): 25.67mm ; * Uses 16002C3 bearings.
Flasher Relay for GY6 50CC 139QMB 139QMA scooter moped
Completely Assembled EGR Style Cylinder Head with 64mm Valves for 50cc 4-stroke QMB139 engines. * EGR Style Cylinder Head * 47mm Bore * Valve Length: 64mm * Overall Height: 59.5mm * Intake Port Diameter: 17mm * Exhaust Port Diameter: 18mm * Exhaust Bolt Hole Spacing: 49.75mm * Intake Bolt Hole Spacing: 44.75mm * Please see picture for measurements
Completely Assembled non-EGR Style Cylinder Head with 69mm Valves for 50cc 4-stroke QMB139 engines. * non-EGR Style Cylinder Head * 47mm Bore * Valve Length: 69mm * Overall Height: 59.5mm * Intake Port Diameter: 17mm * Exhaust Port Diameter: 18mm * Exhaust Bolt Hole Spacing: 49.75mm * Intake Bolt Hole Spacing: 44.75mm * Please see picture for measurements
* Overall Length: 180mm * Bolt hole ID: 12.89mm #18 on Diagram – Kick start lever for 150cc and 125cc GY6 4-stroke engines.
* Large gear diameter: 102mm * Small gear diameter: 33.7mm * Bolt diameter: 12mm * Overall Length: 98mm #8 on Diagram – Rear Idle Cog Sprocket Comp for 150cc and 125cc GY6 4-stroke engines.
diameter:30mm Dimensions: 24mm/ 20mm Spanner Whole Length：about 60mm clutch remover tool for GY6 50CC engine
877-300-8707
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