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Thread: Tuono 2007 Rear Brake awful

  1. #1
    apriliaforum prov-nov
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    Tuono 2007 Rear Brake awful

    Hi All,

    I am sure I have read about it on here somewhere regarding how to improve the rear brake.

    Yes it will pass the MOT but compared to other bikes I have had the rear brake is plain awful

    I have checked operation of the rear caliper and all seems good, I have fitted EBC HH rear brake pads slight improvement

    Any one got any idea how to improve?

    Thanks
    The fun begins where the RED lines starts

  2. #2
    apriliaforum expert kzmille's Avatar
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    Compare the size of the rear disc to the front two.

    If the pedal is soft or there is some other functional problem it can be fixed but if you expect it to stop the bike similar to the fronts your expectations are too high.
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  3. #3
    apriliaforum expert InvictaZ3's Avatar
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    i fitted a v4 rear caliper and master, it feels fine

  4. #4
    apriliaforum prov-nov
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    Quote Originally Posted by kzmille View Post
    Compare the size of the rear disc to the front two.

    If the pedal is soft or there is some other functional problem it can be fixed but if you expect it to stop the bike similar to the fronts your expectations are too high.
    Hi my previous bike have been a Honda Fireblade and Yamaha R1 both of these the rear brake was brilliant

    I understand the difference in size etc but previous bike at 20mph or less the rear brake was good enough to stop the bike but the Tuono rear brake is not the same st all

    I have also bleed the system through with fresh new brake fluid but this made no difference either
    The fun begins where the RED lines starts

  5. #5
    apriliaforum prov-nov
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    Quote Originally Posted by InvictaZ3 View Post
    i fitted a v4 rear caliper and master, it feels fine
    What model / year did they come from? did they fit straight on?
    The fun begins where the RED lines starts

  6. #6
    apriliaforum expert Tifa's Avatar
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    You'll need rearsets to relocate the m/c to take a rsv4 one.

  7. #7
    apriliaforum expert kzmille's Avatar
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    Quote Originally Posted by mutley101 View Post
    Hi my previous bike have been a Honda Fireblade and Yamaha R1 both of these the rear brake was brilliant...
    I don't know for certain but I believe both of those bikes (certain models and years did) have linked brake systems so when you push the brake pedal you operate the rear brake plus some portion of the front brake. You cannot expect an unlinked system to provide that amount of braking from the read pedal alone.
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  8. #8
    apriliaforum Member jmb79's Avatar
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    I followed the advice of several threads on this forum and replaced and relocated the rear master cylinder. I purchased rearsets from Aprilia Performance (which are a joy unto themselves!), and added a V4 master cylinder (which mounts to the rearsets). This took me from virtually zero rear braking ability to wonderful, modulatable, consistent rear braking. Makes a night and day difference.

  9. #9
    apriliaforum newb qzint6's Avatar
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    The rear caliper is the same as the one on the rear of my Piaggio scooter. Need I say more.

  10. #10
    apriliaforum Junkie dfoustou's Avatar
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    I found that by keeping the brake level pressed down overnight improves the brakes by a lot.
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  11. #11
    apriliaforum expert Tifa's Avatar
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    Quote Originally Posted by qzint6 View Post
    The rear caliper is the same as the one on the rear of my Piaggio scooter. Need I say more.
    Not really.
    The rear caliper is easily up to the job.
    The same caliper is used on many high performance bikes, Ducati included.

  12. #12
    apriliaforum prov-nov rs125-700's Avatar
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    Brake pads EBC are very poor. (Not as good as 20 years ago )

    Perhaps a better pad choice ? SBS seem very good on my bike race sinter very grippy (ebc are cheap high profit chinese crap now )

    The other thing is to bleed the brake properly ! The air is always in the hose. You need to remove the rear caliper (still attached to the hose) and bleed , and replace the fluid.
    Last edited by rs125-700; 07-29-2017 at 07:20 AM.

  13. #13
    apriliaforum expert Fox Fader's Avatar
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    For the thousandth time - this rear brake is meant to slow the bike, not stop it. It's this way by design.
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  14. #14
    apriliaforum expert Jeff U's Avatar
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    I struggled with the rear brake for years. In December, I was about to buy the repositioning equipment but gave bleeding one more try.

    Kzmille gives detailed instructions on bleeding in this thread: (See posts #5, 6, 7, & 8)


    I posted my experience and success in post #379.

    I now have a rear brake and after 1000 or so miles, it is stilling functioning well.

  15. #15
    apriliaforum Member jmb79's Avatar
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    Quote Originally Posted by Fox Fader View Post
    For the thousandth time - this rear brake is meant to slow the bike, not stop it. It's this way by design.
    I've seen you post this before, and respectfully, I disagree. No other motorcycle I've owned, and I've owned plenty including a 2016 Touno, has a rear brake as useless as the rear brake on my 2008 Tuono was until I fixed it. While I don't expect the rear brake on any motorcycle to bring me to a quick stop, and I fully understand the difference between front and rear brakes and how to use them, the virtually zero braking assistance available from the Second Generation Tuono rear brake is not as weak as it is by design. If that were the case, my 2016 Tuono would also have crappy rear braking... by design.

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