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  #11  
Old 02-06-2013, 07:42 PM
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piston slapper piston slapper is offline
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Join Date: Mar 2010
Location: Tampa Fl
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Change the sparkplugs and clean and inspect the connector on the DFI module.
Without some factory training...your next step is to take Oldtimers advice...take it to your Scag dealer..
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  #12  
Old 02-08-2013, 04:54 PM
lawnguy 2 lawnguy 2 is offline
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Join Date: Dec 2012
Location: Louisville, Ky
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Happy to report I fix my rough engine running problem with the help from you guys!!

First off the correct NGK plugs were in the engine BUT the last owner didn't set the gap. It's suppose to be .030 and was just over .040

I cleaned the DFI module connection(black box with a buch of wires go into on right side of engine) and my Scag dealer gave me some insulating grease to apply.

Started up and purrrred like a new Scag.
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  #13  
Old 02-08-2013, 05:01 PM
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piston slapper piston slapper is offline
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Location: Tampa Fl
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Glad I could help...
Sometimes I get lucky and make the right guess...
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  #14  
Old 02-08-2013, 05:05 PM
lawnguy 2 lawnguy 2 is offline
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Location: Louisville, Ky
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I'll take luck when ever I can find it, thank you. I was dreading the Scag dealer bill for sure.
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