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    db49's Avatar
    db49 Posts: 1, Reputation: 1
    New Member
     
    #1

    Jun 24, 2007, 04:01 PM
    Briggs & stratton 14 hp 287707 backfires
    New key on flywheel. Has spark. New sparkplug. Carberator cleaned thoroughly. Set fuel mix needle at 1 1/2 turns out. Installed new drive and starter drive. Adjusted valves. Cleaned valves and piston face. Still backfires out filter housing and exhaust. What are some solutions?
    mrfly's Avatar
    mrfly Posts: 6, Reputation: 1
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    #2

    Oct 7, 2007, 06:26 PM
    Hey everyone I've been working on moweres along time hope to help hear. Check lower end of push rods
    MOWERMAN2468's Avatar
    MOWERMAN2468 Posts: 3,214, Reputation: 243
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    #3

    Oct 7, 2007, 07:33 PM
    Umm, could be the flywheel key, even though you just installed a new one, check it anyway.

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