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Thread: trx 450 fan hot wiring please help

  1. 10-23-2013, 06:47 PM #1
    Ryanlong811
    Ryanlong811 is offline Registered User
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    Question trx 450 fan hot wiring please help

    Ok so i have a 2005 trx 450r. the thermostat went bad and the fan quit working... so i took the wire that plugs in to the temp sensor/ thermostat that screws into the motor. i grounded that wire to the frame to make the fan run all the time. Some people say this will retard your timing. Is this true. it seems to run fine and everything but i havent got it out to really ride around yet. thanks
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  2. 10-23-2013, 08:44 PM #2
    L.RAY
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    The one that told you that is retarded.lol
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  3. 10-23-2013, 09:39 PM #3
    Ryanlong811
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    Quote Originally Posted by L.RAY View Post
    The one that told you that is retarded.lol
    So what you're saying is its completely fine to run it like that?
    ;2005 Trx450r
    stage2 hotcam
    12:1 and ported
    Rossier engineering full exhaust
    CRF 40 mm fcr carb
    Walsh sub frame
    houser lt a arms
    Walsh Savior Rear End
    houser steering stem
    lonestar axle
    Fourwerx hood
    fox float evols kashima coated
    PEP zps rear shock
    DWT wheels all around
    houser nerf bars
    pro armor bumper
    Houser grab bar
    flexx bars
    And many more mods!!
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  4. 10-24-2013, 06:45 AM #4
    blacknblue#2
    blacknblue#2 is offline Registered User
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    It IS completely fine to run with your fan grounded to the frame. Whoever told you that would have an effect on your timing has no business giving anyone advice.
    2009 CRF450 Full TI yosh and Remapped

    2001 CR250 Single track bike
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  5. 10-24-2013, 08:19 AM #5
    2001400exrida
    2001400exrida is offline Banned
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    yup, as mentioned it's totally fine to do this. The 450 fans seem to never run in my experience, or at least they only run when it's really hot. If you don't like it running all the time, you can wire a switch to the same wire you grounded and then you can turn it off and on as you please.
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  6. 10-24-2013, 10:21 AM #6
    Ryanlong811
    Ryanlong811 is offline Registered User
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    Sweet thanks guys! I might see about hooking a switch up soon
    ;2005 Trx450r
    stage2 hotcam
    12:1 and ported
    Rossier engineering full exhaust
    CRF 40 mm fcr carb
    Walsh sub frame
    houser lt a arms
    Walsh Savior Rear End
    houser steering stem
    lonestar axle
    Fourwerx hood
    fox float evols kashima coated
    PEP zps rear shock
    DWT wheels all around
    houser nerf bars
    pro armor bumper
    Houser grab bar
    flexx bars
    And many more mods!!
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  7. 10-27-2013, 04:16 PM #7
    DnB_racing's Avatar
    DnB_racing
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    Quote Originally Posted by Ryanlong811 View Post
    Sweet thanks guys! I might see about hooking a switch up soon
    just curious what makes you say the high temp sending unit went bad?

    the fans hardly run at all anyways, are you sure its bad
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