SilverTooth
New Member
I dont have courage to try my top speed yet on my mx, i tried 140kph on open road...im afraid of leaning mixture on top speed..currently using uma 28mm my main jet 110 at pj is 30..needle position on the top most (clip)...plug reading is tan brown in color...im still using stock side bearing and conrod..that why im hesitate to try my top speed.. ^_^What your top speed?