May 13, 201115 yr HI MY SON RIDES A 2009 GAS GAS 125 ALL STANDARD. HE IS QUITE A BIG LAD AND SOMETIMES THE BIKE SOUNDS LIKE IT IS LACKING IN POWER FROM STANDING START. CAN ANYBODY GUIDE ME ON GEARING OR CARBS FOR MORE PULLING POWER THANKS
May 14, 201115 yr A kenlin carb will help a lot..Lets the bike rev much better from off the bottom. I also found with the 125cc bikes that the piston and bore needs to be in top condition to get the best out of them.. New rings on a good bore or new piston kit and replate on a worn bore.
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