Question about 2000 Triumph Trophy 900

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Yamaha Diversion 900 backfiring

My Diversion 900 suddenly started backfiring this morning, has been fine until today. Also it seems like it is not getting the fule through but as it has bene running for a bit it seems to get bursts and lurches forward.

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  • hawkeruk Feb 16, 2009

    thanks, seems also I posted in my haste in the wrong area. Been very cold and damp here since before Christmas in UK. Not used the bike since early December, although do start it and let it run, all been fine till this morning. Also if I put the choke on instead of reving up the engine dies, as if flooded.

  • Patrick Dennehy May 11, 2010

    I'm thinking a misfire through a plug wire. Has the humidity increased recently There's been lots of rain moving across the country. When the rpm gets higher, the spark is what's coming back to normal, not the fuel. Clean spark delivery is at fault much more often newer bikes than fuel delivery in my experience. Though both can cause same symptoms.

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I agree with Goose on this subject, a good strip/clean and re-sync should do wonders for Your Diversion, As your bike set, the gas may have broke down a bit and clogged some of the jet ports on the carbs.

Posted on Oct 26, 2013

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I Had the same problem on a 600 diversion. I changed the fuel to premium unleaded and took it up the motorway to clean the engine and now it works fine

Posted on Oct 11, 2009

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Carbs need stripping and cleaning then balancing. this should sort it.

Posted on May 25, 2009

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