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tps

  1. Tps -- ecu

    Dyno/Tuning Room
    Have a 08 KFX450R. last time I rode, it started stalling when I release the throttle. if I actuate the throttle slowly it seems to run, but then stalls when I let off the throttle. I checked the TPS voltage and adjusted it. It was a low at .50 but then I adjusted it to .60V. Then I checked...
  2. TPS adjustment Q

    Engine/EFI/Drivetrain
    When you guys are setting your TPS, the service manual says, "Let bike heat up thoroughly, then check." Well I check the output voltage at 3 different times, here are my results. Bike cold - .44 After running for 2 minutes - .58 After running for 7 minutes (coolant fan running) .65 Now I...
  3. ECU cuts out

    Engine/EFI/Drivetrain
    I have an 08 KFX450R, and I will notice that at mid-high RPMs, it starts cutting out. I have to shut the quad completely off, and then turn it on and then try it again. Sometimes this takes 2-5 resets to get it to run right. I have a Power Commander III (brand new), a new wiring harness, K&N...
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