54mm S125 Engine Rebuild Bigbore Kit 125cc Upgrade to 138cc PIT PRO DIRT BIKE thumpstar Brand New Transmission Drivetrain Chain

Brand New Transmission Drivetrain Chain Guide Tensioner Fit PIT PRO Trail Dirt Bike Thumpstar Quad ATV

SKU:N015-GD__LTR

Brand New Throttle Housing Kill Switch Fit PIT PRO Trail Dirt Quad Bike ATV

kick-starting Bore x Stroke 52

8cm (48mm) Tooth 37 T

54mm S125 Engine Rebuild Bigbore Kit 125cc Upgrade to 138cc PIT PRO DIRT BIKE thumpstar Brand New Transmission Drivetrain ChainBrand New 54mm S125 Engine Rebuild Bigbore Kit 125cc Upgrade to 138cc PIT PRO DIRT BIKE DIAMETER OF BORE Approx. 54. 03mm DISTANCE BETWEEN HEAD BOLTS (CENTRE HOLE TO CENTRE HOLE) CLOCKWISE EACH TWO BOLTS Approx. 51. 93mm 50. 83mm 50. 37mm 51. 13mm HEIGHT OF THE BARREL (NOT INCLUDE THE SLEEVE) Approx. 76. 69mm HEIGHT OF THE SLEEVE Approx. 20mm DIAMETER OF PISTON Approx. 53. 26mm HEIGHT OF PISTON Approx. 37. 14mm LENGTH OF PISTON PIN Approx. 40. 89mm