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Old 10-10-2018, 11:09 PM   #7
eagle
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Join Date: Aug 2011
Location: Eagle Bend, MN
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Default Re: Terriable backfiring

Use a propane torch, unlit. Turn the gas on and direct the gas stream around the intake manifold as the engine is running. If there is a change you have a leak. Can also use WD40 but it makes a bit of a mess.
As previously posted. Check point gap. Usually point gap too close makes for hard starting as well.
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Last edited by eagle; 10-10-2018 at 11:14 PM.
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