Question about 2003 Yamaha XJ 900 S Diversion

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Backfiring and seems to be struggling getting fuel

My Diversion started to backfire this morning, and on the way to work struggled as if not getting the fuel through, then it would suddenly lurch forward as if the fuel had got through okay. When puttng choke on it was as if I hadn't it didn't rev up. Was fine the day before.

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  • hawkeruk Feb 16, 2009

    thanks, bike runs okay in one sense, covered 25 miles, backfiring on the way, but not all the time. Bike has been off the road since early december, although I do start it and let it run. I can't get to a bike shop till tomorrow.

  • hawkeruk Feb 17, 2009

    Problem isolated, turns out the ECU is knackered, bike in the bike shop waiting a part.

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Check to make sure your plugs arent fouled. the last bike i had did that to me, fine in the morning and when i went to leave for work in the afternoon the bike ran like **** for a few seconds and shut off. i took the bike back to where i bought it and they replaced the plugs. ran fine after that.

Posted on Feb 16, 2009

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