139QMB random idle issues
Hello everyone! This is my first post to ScootDawg, glad to meet you!
I am posting because I have a strange problem with my scooter. I have a Peda Shotgun 50cc, with 139QMB engine and I have some problems with the idle . The scooter starts ok from cold, running great for about 15 minutes of riding than it looses the idle. After another 5 minutes of riding the idle is again stable. I don't know what to think. Everything else is ok. Even when I loose the idle the engine goes ok, no bogging on load or any other things, except that he can't stay at idle speed. I have seen that when looses the idle, the engine runs lean (if I cover the air intake, the engine will idle). I have tryed another carb and the problem persist. Any ideeas that might help ? Thank you! Later edit: I think I have found the problem. When I switched the main jet, I've put grease on the carburettor's gasket to fix it on position. It seems that the grease wasn't a good ideea because it got into the pilot jet. I have cleaned the carb and everything is ok now. Thank's :) |
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