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Thread: Adding a manual fan switch to a racebike

  1. #1

    Lightbulb Adding a manual fan switch to a racebike

    Racebikes run hot, and with water only in the radiator to comply with race rules, it's often useful to have the radiator fans come on earlier than the factory setting (103 degrees C on most bikes). Here's how to rig up a switch to turn the fans on - and have them stay on - when needed.

    You will need:




    Toggle switch from Jaycar:


    How to....:




























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  2. #2
    Moderator chubb's Avatar
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    Thanks for that Marshy..

  3. #3
    I've just connected mine in the light switch.

  4. #4
    I have a similar set up to keep "the Tank" cool at the start of the races and at the end, although I leave it on all the time when it's a warm day or on track days....looks after the oil a bit more ;-)
    2007 Yamaha FZ1 Championship winner (2012) (the tank)
    2007 Yamaha FZ1 Road bike
    2005 KTM 450 EXC (fun bike)
    2005 Yamaha R1 Class winner 2014

  5. #5
    misguided youth Little Mick's Avatar
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    light switch is great idea JC...

  6. #6
    Moderator BoB's Avatar
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    Well marshy has inspired me to do the mod to the cbr . Just done a quick instal to see if it works ..

    I will post it up once i get the pics sorted very soon for the cbr 600 rr using the existing light swich (high beam to turn on ) , very easy to do and puts the high beam light on the dash when manually turned on ...
    Last edited by BoB; 22-02-2013 at 03:26 PM.

  7. #7
    It work really well. As soon as i finish the session and before head to the pitts I turn it on and it never went over 100C.

  8. #8
    Senior Member Saturnalian's Avatar
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    I put one of these on my R6 back in the days when we used to still have a summer.
    http://www.xsboostperformance.com/ca...ONTROL_PDF.pdf
    It was awesome for when being stopped at the lights in the city and on hot days in general. I think it cost about $75.00. Good kit, easy to install, nice neat "factory" finish.

  9. #9
    Quote Originally Posted by Saturnalian View Post
    I put one of these on my R6 back in the days when we used to still have a summer.
    http://www.xsboostperformance.com/ca...ONTROL_PDF.pdf
    It was awesome for when being stopped at the lights in the city and on hot days in general. I think it cost about $75.00. Good kit, easy to install, nice neat "factory" finish.
    Nice looking kit. How much do you reckon I could charge for my version?!?
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  10. #10
    Senior Member dan's Avatar
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    Went past Jaycar the other day and bought a missile switch just got to find some time to install now. Definitely a good idea.

  11. #11
    Moderator chubb's Avatar
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    Adding a manual fan switch to a racebike

    I recently wired the fan switch to power direct from the battery when it is turned off.

    I used the inline fuse rated at 10amp.

    However turned it on and off a couple of times to test then the fuse blew.

    Never had an issue when I was using a tapped "on" ignition source.

    I thought the fan had a 7.5amp fuse from the factory?

    Do I need a 15 amp inline or should the 10 suffice. (Not strong in knowledge in regards to this)

    Cheers

  12. #12
    Moderator chubb's Avatar
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    Adding a manual fan switch to a racebike

    Edit saw the two fan fuses are 15amp

    I'll get some 15amp ones tomorrow and see how they go

  13. #13
    I have one integrated into my headlight high beam switch Rancell, you would have to ask JC how it was wired though, i have NFI lol

    EDIT: just saw his comments above

  14. #14
    Moderator chubb's Avatar
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    The 15amp fuses seem to be working a treat

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