56mm 13mm Pin YX 140cc Engine Rebuild Kit PIT PRO Dirt Bike thumpstar FIT 420 Chain Diameter of

FIT 420 Chain Diameter of Sprocket / Cog approx 6

Thumpstar have always prided themselves on their core lineup

TOOTH 7 T DISTANCE BETWEEN MOUNT HOLES(centre hole to centre hole) approx 72mm

The TSC125 has received our signature stealth plastics which give is a sleek look

56mm 13mm Pin YX 140cc Engine Rebuild Kit PIT PRO Dirt Bike thumpstar FIT 420 Chain Diameter ofBrand New 56mm 13mm Pin YX 140cc Engine Rebuild Kit PIT PRO Dirt Bike DIAMETER OF BORE approx 55. 89mm DISTANCE BETWEEN HEAD BOLTS (CENTRE HOLE TO CENTRE HOLE) CLOCKWISE EACH TWO BOLTS approx 50. 08mm 50. 17mm 48. 17mm 50. 34mm HEIGHT OF THE BARREL (NOT INCLUDE THE SLEEVE) approx 78. 41mm HEIGHT OF THE SLEEVE approx 20. 53mm DIAMETER OF PISTON approx 55. 91mm HEIGHT OF PISTON approx 42. 51mm LENGTH OF PISTON PIN approx 38. 35mm DIAMETER OF PISTON PIN