vanrodd Posted June 11, 2011 Posted June 11, 2011 hi newbie hear. I have a 1970 AT1 i got a few months ago the motor, frame, and title say its a AT1 mx but i noticed the cylinder says 175cc so i guess its a 125/175 anyway it starts when its cold runs for a few minutes then you have to keep reeving it to make it stay running then eventually it will die and its real hard to start. ive had the carb apart three times cleaned it put new parts in it, no luck the motor sounds normal doesn't smoke, it has no oil tank on it so i mixed the gas 32 to 1. i work on cars more than motorcycles so i don't know a hole lot about it. any advice would help, thanks
Moderator Airhead Posted June 11, 2011 Moderator Posted June 11, 2011 sounds like you have a dirty fuel tap on that thing, letting just a dribble through. ...so you run the carb dry and then when stopped slowly fills again?
vanrodd Posted June 11, 2011 Author Posted June 11, 2011 sounds like you have a dirty fuel tap on that thing, letting just a dribble through. ...so you run the carb dry and then when stopped slowly fills again? ive taken the petcock apart and checked it and adjusted the flote level on the carb, still the same. once the bike is warmed up its hard to even get it to run again. somebody had told that if the piston is bad it would cause it to act like that, i really don't know
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