Blue flame from stock 212 predator exhaust

Williet57

New member
I am having constant blue flame from my stock predator 212 kart engine,w/sweetie pipe.it is a constant blue flame and the engine do not run right.any suggestions what would be the problem.motor is relative new
 

flattop1

Dawg 89
How short is the pipe ?
Did you have the side cover off ?
 
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