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 |
Tag : PIT PRO, PIT Bike, Trail Bike, Dirt Bike, Motorcross Bike, MX Bike






















Payments starting from $10.00 per week.

Would this work on the blygo K3 pitbike
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would this work on a 125cc lifan engine?
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