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Briggs runs like it is back firing from the carb.

Discussion in 'Mechanic and Repair' started by lawnservjoe, Jun 29, 2008.

  1. lawnservjoe

    lawnservjoe LawnSite Member
    Messages: 6

    I have a 17HP Brigg's I/C that blows air out the carb. Checked timing and valves seemed to be ok, not many hours on engine. Runs like it is backfiring from the carb. Any help would be great. Thanks

    DOLMARatOS LawnSite Member
    Messages: 173

    If your valves are ok, I'd go ahead and pull the head to check the gasket.

    If the headgasket is good...time to pull the lower sump. We've put three replacement camshafts in 31 and 28 series engines this season.
  3. khouse

    khouse LawnSite Bronze Member
    Messages: 1,465

    Have you checked the compression or performed a leak down test?

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