I just bought a Motobecane 1977 model 50v last night and was trying to get it running. First I wasn't getting any spark or power because the switch for the engine shut off is reversed?!?! I have to hold it all the way up for it to fire. Thats not a huge problem, but any advice would help.
The main problem is I think the carburetor is flooding out or somehow way too much gas is going in the motor. I get spark but it wont fire up. When I pull the plug out it is covered in gas.
When the bike is just sitting, I can see fuel leak into the carburetor. I think it is coming through the jet. It doesnt come out the vent tube at all. I think it won't start because it is just getting too much gas. I have a strong spark, and the motor makes a good suction at the intake tube.
I took the carb apart and blew out every passage inspected the float/needle and seat, put it all back together and ended up with the same thing.
Any suggestions would be appreciated. Thanks. By the way, the carb is a gurtner ar2-12