62mm Engine Bigbore Rebuild Kit YX 150 160cc TO 170cc PIT PRO DIRT BIKE crossfire 8mm DIAMETER OF CENTRE HOLE

8mm DIAMETER OF CENTRE HOLE approx 37

Brand New 30mm Carby Carburetor Intake Manifold ZS190 190cc 212cc PIT PRO Trail Dirt Bike

and when to change gear

Brand New 16T Front Sprocket Cog for 428 Chain Fit 110cc 125cc 140cc PIT PRO PIT Bike Trail Bike Dirt Bike Thumpstar

86mm / 10mm TEETH OF SMALL GEAR 16 teeth / 32

62mm Engine Bigbore Rebuild Kit YX 150 160cc TO 170cc PIT PRO DIRT BIKE crossfire 8mm DIAMETER OF CENTRE HOLESKU: B131 Brand New 62mm Engine Bigbore Rebuild Kit YX 150cc TO 170cc PIT PRO DIRT BIKE DIAMETER OF BORE approx 62mm DISTANCE BETWEEN HEAD BOLTS (CENTRE HOLE TO CENTRE HOLE) CLOCKWISE EACH TWO BOLTS approx 69. 65mm 57. 99mm 57. 92mm 57. 55mm HEIGHT OF THE BARREL (NOT INCLUDE THE SLEEVE) approx 73. 85mm HEIGHT OF THE SLEEVE approx 21. 65mm DIAMETER OF PISTON approx 62. 02mm HEIGHT OF PISTON approx 38. 07mm LENGTH OF PISTON PIN approx 45. 78mm DIAMETER