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fuel and engine

  1. will only run with the fuel pump unpluged

    Engine/EFI/Drivetrain
    i have a 06 ltr 450 i bought that needed a new head so i replaced it and cant get it to run unless i unplug the fuel pump if it is plugged in it only sparks 3 times then stops when you hit the start button i have check the stator, pick up, wiring harness and injector ive also have swapped out...
  2. my ltr idles but wont take fuel :(

    Member Introductions
    so i traded my 05 trx for a 07 ltr and they boy said he thought it needed valves adjusted so i bring it home and the battery is dead as a door nail new battery and about a minute later it starts right up and idles great but then it starts to miss and will not take fuel? the slightest touch of...
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