Question about 2008 Triumph Speed triple

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It wont start

Last night the battery and all 3 spark plugs were replaced. After putting the bike back together, it fired up on the first try. When giving the bike a test ride, it felt a little weak, like it was lacking in power/acceleration. This morning, the engine would stop every time I came to a complete stop and right before lunch, the bike died again altogether and won't start back up again. I've looked all over the bike for problems and even asked a few guys around my workplace about possible solutions. So far, I've had a guy tell me that it's possible that the spark plugs have been wired improperly. I've found a green wire that's just hanging loose under the seat. The wire is closest to the brake light. The gas tank seems to be taking in a lot of pressure. When I opened up the tank, there was a loud pssssssst! sound and that sound will happen every time the tank is closed for 5+ minutes. We've tried jumping the bike with a car battery and it started for about 2 seconds and then died again. I'm all out of ideas. The bike has less than 3000 mi on it and has never been ridden hard. The only aftermarekt work done to it is a fender eliminator and an integrated taillight. Anyone else seeing something that I missed?

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  • kuneku May 24, 2009

    i had same and it was a brocken wire at the handle bar going to the ignition key. seems 2 b a comon triuph problem. the bike got back foll power and sarts up in a sec never quits since cable was repaired.

  • kuneku May 24, 2009

    i had same and it was a brocken wire at the handle bar going to the ignition key. seems 2 b a comon triuph problem. the bike got back foll power and sarts up in a sec never quits since cable was repaired.

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I think you may find that either the tank breather tube is blocked or you v trapped it when the petrol tank was refitted .
Check the small hole just inside the locking cap blow down it then check the hose under the tank

Posted on Jan 09, 2009

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Sounds like your tank is not venting correctly thus too much pressure int he tank is starving the bike Checking the routing and connection under the tank and fingers crossed she will be back to normal

Posted on Nov 10, 2008

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Pull the clutch in while pressing start button

Posted on May 10, 2009

  • danny
    danny May 10, 2009

    avoid jump starting too! the computer dosnt like a flat or faulty battery have you tested your battery? Did you replace it with a new/fully charged one? & Are you using the factory recommended battery?    

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