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    Help with a 37hp DFI engine, surges then dies.

    I recently picked up a 2011 ferris 3100 with the 37hp DFI engine, about 1300 hours. I bought it knowing it had some rough running problems. Reading on here it sounded like it just need the TB cleaned. Nope didn't help. So I got a manual and tried doing the self dynastic, but it wasn't working. I...
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