54mm S125 Engine Rebuild Bigbore Kit 125cc Upgrade to 138cc PIT PRO DIRT BIKE
54mm S125 Engine Rebuild Bigbore Kit 125cc Upgrade to 138cc PIT PRO DIRT BIKE
Brand 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 |
| DIAMETER OF PISTON PIN | Approx. 13.94mm |