57mm Engine Barrel Bore Cylinder body GY6 150cc SCOOTER QUAD DIRT BIKE ATV BUGGY thumpstar These provide better feel and

These provide better feel and stopping power than the older drum set ups of yesteryear

SKU:R116__LTS

these engines go for years and years typically lasting far past your child's need for a bigger bike while they grow

SKU:R172__S1B

SKU:T074__S1B

57mm Engine Barrel Bore Cylinder body GY6 150cc SCOOTER QUAD DIRT BIKE ATV BUGGY thumpstar These provide better feel andSKU: T158__S1B Brand New 57. 04mm Bore Engine Barrel Cylinder Body Fit GY6 150cc Engine Scooter Dirt Quad Bike ATV Go Kart Dune Buggy DIAMETER OF BORE approx 57. 04mm DISTANCE BETWEEN HEAD BOLTS (CENTRE HOLE TO CENTRE HOLE) CLOCKWISE EACH TWO BOLTS approx 53. 42mm 53. 65mm 53. 14mm 53. 30mm HEIGHT OF THE BARREL (NOT INCLUDE THE SLEEVE) approx 68. 80mm HEIGHT OF THE SLEEVE approx 21. 85mm