40mm 10mm Piston rings kit 49cc 2 Stroke Engine Mini Kid Dirt Monkey Pocket Bike mini 50mm INNER DIAMETER OF CAM

50mm INNER DIAMETER OF CAM SHAFT HOLE (MIDDLE HOLE) approx 16

60mm LENGTH OF GUDGEON PIN Approx

we have scaled down the linkage from the likes of a full-size race bike and fitted it to these smaller sized 110s

Although this doesn’t automatically translate to 57% increase

SKU:Q077*10

40mm 10mm Piston rings kit 49cc 2 Stroke Engine Mini Kid Dirt Monkey Pocket Bike mini 50mm INNER DIAMETER OF CAMSKU: R035 Brand New Engine Piston Rings Kit Set Fit 49cc 2 Stroke Engine Mini Kids Dirt Monkey PIT Bike Quad ATV Pocket Rocket Chopper Bike Diameter of piston approx 39. 95mm Height of Piston approx 38. 83mm Diameter of Pin approx 10. 05mm Length of Pin approx 33. 11mm