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I/O backfires after trolling?
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Question
outdoor ran
After trolling at a speed between 2 to 3mph for several hours. When its time to cranker her up and head home I get stalling and backfiring for several min. If I run her at 8 -10mph for several min it clears up and I can get up and go. So it most be loading up.
I over heated my coil a couple weeks ago could this have anything to do with it? Bad plugs? Any advice would be great. Thanks
Almost forgot its a I/O 140hp merc crusier 4 cylinder.
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