Clinician
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Post by w1lliam40 on Apr 22, 2019 12:31:48 GMT -6
Help anyone please!!!
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Clinician
Currently Offline
Posts: 3
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Joined: Nov 12, 2014 6:31:38 GMT -6
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Post by w1lliam40 on Apr 22, 2019 12:30:07 GMT -6
Intake or a leaky air intake or any of the little hoses. I just took everything off my 4 stroke 50cc upgraded to the 80cc bbk, bigger carb and different jets usually preset from factory to use cold air intake. anything that restricted it took it all off. Performance exhaust A-9 cam performance variator with 8g roller weights, 1500rpm clutch and torque spring's, performance cdi, hot coil and performance plug and she buries the speed odometer needle!! Always use premium fuel and about once every two three months put a sip of 2 stroke oil ( keeps inside rubber pieces flexible longer) but i'm thinking your having, carb problems intake, or maybe one or more of the restricted and fuel lines is leaking air in.could be your cdi. A million things but it is always something simple just finding the issue or issues. Hard to tell as well not knowing what if anything has been done to the engine, or what size is it, what model and that information would be easier for all. Just being able to start a scooter engine and when you give it fuel it bogs when you turn the throttle.
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Clinician
Currently Offline
Posts: 3
Likes: 0
Joined: Nov 12, 2014 6:31:38 GMT -6
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Post by w1lliam40 on Apr 22, 2019 12:12:34 GMT -6
I have a GY-6 139qmb 50cc upgraded to the 80cc (72cc) bbk, A-9 cam,performance variator 8g roller weights, clutch and torque spring's,performance cooling fan, hot coil, performance cdi, performance spark plug, 20mm carb with a #88 short jet. Am I ok with the number 88 jet, with cold air and performance exhaust? I have been asking and asking with no response yet. I don't want to ruin all the work I have thrown on this engine. I bought it new in 2011 and I have just took it off chassis and went nuts on it!! From the engine swing arm and engine mounts bushings, new timing chain, engine block seals and gaskets. New variator 8 pole factory was four, or will it have no effect at all? New fuel hoses completely new all connections and a improved chassis and engine grounds. just took everything except the rear end and took everything factory and put either just a replacement starter, but if it was Chinese factory constantly failing parts even before they would put aftermarket parts and performance parts where I could!! Thanks in advance for the help if you can. My email is Howard.william29@gmail.com Home 100 harvette road Washington nc 27889
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