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dan · 08-01-2009, 10:16 PM

Cold engine should be on full choke. Rich mixture. Engine warms up, choke opens, mixture leans out. Vac. leak somewhere causing lean backfire and or stalling?

08-01-2009, 10:16 PM	#49
dan Member Join Date: Jan 2005 Location: moultonborough/billerica Posts: 42 Thanks: 21 Thanked 7 Times in 4 Posts	I have been told when Carb runs lean and can cause 'back-fire' ! Cold engine should be on full choke. Rich mixture. Engine warms up, choke opens, mixture leans out. Vac. leak somewhere causing lean backfire and or stalling?