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Post by jmichael69 on May 22, 2012 12:55:14 GMT -5
Sunday I removed and bypassed the oil pump on my Benelli M50 with the QJ1E40QMB engine. It has a Leader PZ19JB Carb. Removed the Fuel and mixed it 40:1. Now it won't start. I'm getting a spark on the plug and the plug is wet. Also I removed the fuel line at the carb and the vacuum tube at the carb and sucked air through it to get the mixture to the carb. It will run for about 5 sec's just a putt, putt, putt and dies. Any Ideas??
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Post by teddy554 on May 22, 2012 15:05:32 GMT -5
you might be lean,try adjusting your a/f mixture screw, also if it has a stock jet some times there lean to begin with and when you mix the gas and oil together, the oil displaces the gas so you need a bigger main jet to compensate.
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Post by jmichael69 on May 22, 2012 16:32:02 GMT -5
It seems to be very rich. When I pull the plug its wet. Also when it does start and run at about 200 RPM's I put my hand over the carb intake to simulate a choke effect. It just dies..
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Post by fickertravis on May 23, 2012 2:18:50 GMT -5
I hate to say it, but I would tend to say that during your looping of the oil pump you also did something else. How did you loop the system? What exact steps did you do?
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Post by teddy554 on May 23, 2012 8:18:15 GMT -5
you shouldnt try to start it with the filter off put you filter on then try to start it it will never run right with the filter off
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Post by jmichael69 on May 25, 2012 16:35:27 GMT -5
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Post by mcirish on Jun 10, 2012 8:49:11 GMT -5
:bfg: plug all lines coming from oil to / and vac lines its getting air leak somewhere
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