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Thread: MFI Backfire

  1. 10-15-2013, 01:26 AM #11
    bliebler
    bliebler is offline
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    If you have a vacuum retard distributor remove and plug the line and take it for a ride. It may be sticking and not allowing advancement. you idle will come up so you'll have to turn in the air screws about 1/2 turn in.
    If it still backfires It may be too lean which also could cause backfires. Try 2 clicks rich on the main(remember rich is counterclockwise)
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  2. 10-15-2013, 11:29 AM #12
    50/50
    50/50 is offline
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    Thanks to all for the helpful suggestions.
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