2009 450R - Kill Switch - Fuel Pump- Injector
  • User avatar
    Ekim
    Posts: 5
    Joined: Mon Feb 18, 2019 3:53 am

    2009 450R - Kill Switch - Fuel Pump- Injector

    by Ekim » Fri Mar 15, 2019 7:15 am

    When kicking the engine over, while holding the kill button depressed, will the fuel pump still, operate, and / or will the fuel injector still, inject fuel?
  • Aussiecrf230
    Posts: 1496
    Joined: Fri Jan 06, 2006 11:11 pm

    Re: 2009 450R - Kill Switch - Fuel Pump- Injector

    by Aussiecrf230 » Sat Mar 16, 2019 2:14 am

    Do you have a wiring diagram?
    Some systems stop engine by cutting the fuel some by the spark.
    Either way is effective.

    The wiring diagram will hopefully give you some idea.
    Ray
    Australia

    CRF230F 2004
    C30F Power Up needle
    Mains 132
    Idle 45
    2 turns out
    Baffle out, Screens In

    It starts,it runs,it gets to where all CRFs can get to without the valve or valve plate dramas
  • User avatar
    Ekim
    Posts: 5
    Joined: Mon Feb 18, 2019 3:53 am

    Re: 2009 450R - Kill Switch - Fuel Pump- Injector

    by Ekim » Sat Mar 16, 2019 5:31 am

    Thank you, Ray, Aussiecrf230,

    I do have a wiring diagram in the service manual; I'll look closely, at that.

    Mike
  • Aussiecrf230
    Posts: 1496
    Joined: Fri Jan 06, 2006 11:11 pm

    Re: 2009 450R - Kill Switch - Fuel Pump- Injector

    by Aussiecrf230 » Sat Mar 16, 2019 7:39 pm

    Some systems actually cut both via the ecu. You could check if voltage is present on pump connectors when kill switch is pushed.
    You would have to think that fuel would be cut otherwise you could end up with a flooded engine.
    Ray
    Australia

    CRF230F 2004
    C30F Power Up needle
    Mains 132
    Idle 45
    2 turns out
    Baffle out, Screens In

    It starts,it runs,it gets to where all CRFs can get to without the valve or valve plate dramas
  • User avatar
    Ekim
    Posts: 5
    Joined: Mon Feb 18, 2019 3:53 am

    Re: 2009 450R - Kill Switch - Fuel Pump- Injector

    by Ekim » Sun Mar 17, 2019 4:34 pm

    Yes, I agree; one would think fuel would be cut off. Thanks. .... I haven't yet 'cracked the book'. ;-)

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