54mm S125 Engine Rebuild Bigbore Kit 125cc Upgrade to 138cc PIT PRO DIRT BIKE thumpstar 7ml Compression ratio 9

7ml Compression ratio 9

SKU:N015-GD__LTR

DISTANCE BETWEEN FRONT MOUNT HOLES(centre hole to centre hole) approx 65mm DIAMETER OF REAR MOUNT HOLE approx 15mm

Brand New 510mm Hydraulic Rear Disc Brake Cable Hose Line Fit PIT PRO TRAIL Dirt Quad Bike ATV Dune Buggy

54mm S125 Engine Rebuild Bigbore Kit 125cc Upgrade to 138cc PIT PRO DIRT BIKE thumpstar 7ml Compression ratio 9Brand 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