how can i fix my yamaha 125dtr?

so you never got yourself that haynes manual :(

mech monster
November 2011

remove 2 or 4 screws under the carb.remove the bottom of carb.underneath the carb you will see a long brass bolt with a hole through it. this is the main jet, unscrew it to remove it from the carb. if you cannot see right through it.then blow through it or use an airline to clear it.

ray b
November 2011