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Old 12-30-2009, 11:57 PM
Join Date: Feb 2008
Posts: 74
Default wont stay running?

hi i maid a home maid chopper and it has a 49cc 2 stroke engine on it and it will not stay running its getting fuel spark and has plenty of compression it starts but wont stay running for not even 5 seconds. i used a smaller 2 stroke engine and its getting fuel spark and every thing and it runs just fine. ima using the same carb same plug same fuel and every thing why wont the 49cc stay running? any help will be appriciated thanks
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Old 12-31-2009, 01:01 AM
Doctorturbo's Avatar
Extreme Pro Rider
Join Date: Jan 2004
Posts: 3,204

Check for a plugged exhaust pipe
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Old 12-31-2009, 06:27 PM
Join Date: Feb 2008
Posts: 74

i did every thing is unclogged but the crank shaft is hard to turn and on the other motor the crank shaft turns fine so could that be a problem?
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Old 04-24-2010, 09:35 PM
Weekend Warrior
Join Date: Apr 2010
Location: Niagara Falls, Ont., Canada
Posts: 3

Been having the same problem and took apart the carb 3 times, cleaned it, you name it, checked everything. Then a buddy told me he had the same problem and it was the needle in the carb sticking. It allows the carb bowl to fill up and then empty but then doesnt drop to allow refill. He said to just buy a new carb, they are about $30 cnd if you can find one. Don't quote me tho, I havent tried that yet. Im gonna try cleaning the needle 1st, then buy a new one if I have to.

Good luck & keep us posted
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2stroke, 49cc, 50, atv, doesnt, fires, great, motor, quad, running, starts, stay, stroke, wildfire, wont

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