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Thread: Speedo problems still - rear disc bolts??

  1. #1
    OZMILLE
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    Speedo problems still - rear disc bolts??

    Hi fellas

    This would be my second thread with this elusive problem on the speedo not working.

    Originally thought to be wiring from the dash etc, it all checked ok

    Now I have read somewhere that the speedo reads off the rear disc bolts, is this true If so it was around the time when I changed my bolts to some tasty titanium ones, could this be it??

    If this is so, would it be that they are shorter and not picking up on a sensor or something, different material perhaps??

    HELP much appreciated.

    Cheers Pete

  2. #2
    One Liter Duc Eater Sabre's Avatar
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    Quote Originally Posted by OZMILLE View Post
    Hi fellas


    Now I have read somewhere that the speedo reads off the rear disc bolts, is this true If so it was around the time when I changed my bolts to some tasty titanium ones, could this be it??


    Cheers Pete

    They do and it would. So stow yer fancy gubbins

  3. #3
    OZMILLE
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    Quote Originally Posted by Sabre View Post
    They do and it would. So stow yer fancy gubbins
    Hi Sabre

    Cheers for that, would it be the material or most likely that the head is a little shorter and not being registered on the sensor??

    Could I adjust the sensor, or is that not an option.

    Cheers for thge help, Pete

  4. #4
    One Liter Duc Eater Sabre's Avatar
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    Not sure. I think its the material. Try adjusting the clearance first . If it still dont work then it must be the material.

  5. #5
    OZMILLE
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    Quote Originally Posted by Sabre View Post
    Not sure. I think its the material. Try adjusting the clearance first . If it still dont work then it must be the material.
    Cool Sabre

    Will check it out this weekend!!

    Thanks for the quick help mate

  6. #6
    One Liter Duc Eater Sabre's Avatar
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    If it still doesnt work , even if you have replaced the original bolts than its your sensor. They do tend to fubar to easily.

  7. #7
    A303
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    Put the old bolts back in and I'll bet your speedo works again.

  8. #8
    spoonz
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    Speedo sensor can only detect ferrous metals.

    Titanium is not ferrous

  9. #9
    AMA Pit Boss Sprocker's Avatar
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    try this speedo testing method

    Although i think the other guys are right and it's the bolts you fitted.

  10. #10
    LEGS
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    Yep, certainly it's the titanium bolts causing the issue.

  11. #11
    OZMILLE
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    Hi Guys

    Thanks for that, the wheel is coming off today. I will have to swap over my wave disc as well which is ok as it works worserer than the OEM one

    Cheers for the help, glad I am heading in the right direction.

    Once again thanks fellas.

    Cheers Pete

  12. #12
    A303
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    Quote Originally Posted by OZMILLE View Post
    I will have to swap over my wave disc as well which is ok as it works worse than the OEM one
    Is that possible

  13. #13
    OZMILLE
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    Quote Originally Posted by A303 View Post
    Is that possible
    Yeah possible for sure!!

    As the pads were still good I did not replace them, I am guessing that they didnt sit well with a new rotor, another story.

    Pulled the wheel off tonight and will refit soon enough but I am sure the bolt are it. Hopefully OEM rotor refitted will be ok.

    Cheers

  14. #14
    Baby Twin johnboy's Avatar
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    if your bolts dont cure it then check the connector on rh side behind small panel under seat i had a bad connection there with mine, just a thought

  15. #15
    OZMILLE
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    Quote Originally Posted by johnboy View Post
    if your bolts dont cure it then check the connector on rh side behind small panel under seat i had a bad connection there with mine, just a thought
    Will check that as well, lots of wires and stuff there. Any ides which one I should be looking for??

    Cheers Pete

  16. #16
    A303
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    Follow the wire from the sensor - it runs along the swing arm and up.

  17. #17
    Baby Twin johnboy's Avatar
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    its a three pin connector with blue/orange, grey/white, green/blue wires in it

  18. #18
    OZMILLE
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    Hey guys

    Finally got around to changing the titanium bolts back to the originals, and HEY PRESTO the speedo is all good and working again.

    CHEERS to all that helped, yet another reason this forum is so f&%king GREAT.

    Pete

  19. #19
    Baby Twin
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    hi all.i have a 2000 rsv mille.the speedo is giving me crazy readings like 300 mph in first gear.some times i works and other times not.it even gives readings when the bike is running in neutral on the side stand.has anyone got any ideas

  20. #20
    Superbike Twin colinpp's Avatar
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    Probably a symptom of water getting into the sensor. It's not unknown. You'll probably have to replace the sensor - quite a simple job. You can often see them advertised on Ebay at quite a saving off new price from Aprilia.

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