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  1. #1
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    Question Help with 2021 F3 that Wont start

    Hi good people I'm in Australia.
    I have a 2021 F3 LTD that won't start.
    bike cranks over but will not fire
    I have checked kill switch is on
    have checked fuses.
    have checked it has fuel.
    Battery is good.
    I have followed correct staring procedure.
    I can hear fuel pump when flicking kill switch on and off.
    bike simply won't fire does anyone have any suggestions.
    bike has only 6000klm on it 3,500miles
    Last edited by CopperSpyder; 11-15-2023 at 08:05 PM. Reason: Change title from How to Help with

  2. #2
    Very Active Member Snowbelt Spyder's Avatar
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    A couple thoughts Aussie:

    - you can try the wide open throttle start ( WOT ) in case it got flooded. Hold throttle wide open first, then hit start button. This action puts a fuel injected engine’s ECU into Flooded Engine Mode. It opens the butterfly valve but shuts off the fuel. IT CANNOT START. It’s done to clear out the cylinders. Crank for about 10 seconds, or it might stop cranking on its own. The 998 engine was more susceptible than the 1330, but does still happen.

    - check fuses by testing or replacing, not just by a visual. They can fail due to vibration and not look blown.

    - fuel contamination? When was the last time it ran?

    - warranty bulletin 2022-4 applies to the 2021 F3. It corrects a starting issue due to carbon buildup in the cylinders that causes low compression. It requires a reflash at your dealer. Has that been performed? You may have that problem.

    https://static.nhtsa.gov/odi/tsbs/20...10863-0001.pdf
    Last edited by Snowbelt Spyder; 11-17-2023 at 07:21 AM.


    Doug

    2023 RT Limited, RT 622, BUDS/BUD2 Megatech/Megatronic

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