06-09-2021, 12:20 AM
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Afourian MVP, Professor Emeritus
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Join Date: Nov 2008
Posts: 3,500
Thanks: 54
Thanked 855 Times in 629 Posts
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Quote:
Originally Posted by ronstory
After many attempts, I finally tried only closing the choke halfway and opening the throttle about half as well and could get the motor to fire a bit but then promptly died. A few more attempts and no real improvement. I then thought that “well everything else on the engine is new, I’ll buy a new carb from MMI” and then rebuild the old one at my leisure. So when I put on the new carb, main jet 1.5 turn out from seat… on an the engine ran a tiny bit better, but would now die in 12-15 secs or when I released the choke.
I then checked pretty much everything, fuel gauge at the carb show 3.5 PSI, the polishing filter is new, I triple checked the distributor wires, made sure the carb was lubed and the advance was not stuck. The spark plugs are wet and black t and looks like it’s running rich but the insulated tip it a decent shade of brown (not tan).
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Recheck the choke adjustment to be sure it is all the way open\closed when you think it is.
ex TRUE GRIT
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