Sprint Sprint ST 1050 heavy handling

Discussion in 'Sprint & Trophy' started by XT Bloke, Mar 24, 2017.

  1. XT Bloke

    XT Bloke Member

    May 22, 2016
    12
    8
    Bedford, England
    #1 XT Bloke, Mar 24, 2017
    Last edited: Mar 24, 2017
    Hi
    Not sure if it's me or the bike, or both, but I find the handling on my ' 05 Sprint ST really heavy, I also ride a Yamaha Super Tenere 1200 which handles really nicely and goes exactly where I point it, the ST feels really heavy on the bends and I feel like every corner has to be planned and committed and I often end going wider than I intended, sometimes it feels like the rear is gently sliding out but I don't think it is.
    I love my ST and if I can get to the bottom of this then that would be great.
    The bike is a 2005 with 67k miles (engine has 27k), tyres are Maxis (can't recall the exact model), could it be the front suspension or is this just how these bikes are?

    thanks in advance.
     
  2. thebiglad

    thebiglad Old fart, still riding !

    Sep 25, 2013
    5,066
    1,000
    Central France
    Hi XT,the first thing I would be checking is your tyre pressures. Make sure they are at least 35psi up front and 42 psi on the rear.

    Then report back.................................
     
  3. XT Bloke

    XT Bloke Member

    May 22, 2016
    12
    8
    Bedford, England
    Yea already planned to do that tonight as have a 500 mile run to Devon planned for this weekend, I expected they are approx. 32 front and back as that's what I use as a rough starting point.
     
  4. thebiglad

    thebiglad Old fart, still riding !

    Sep 25, 2013
    5,066
    1,000
    Central France
    Just try them a bit higher and feel for the result. I find 3 psi down on the front makes the bike feel heavy.
     
  5. RoadSprocket

    RoadSprocket Active Member

    May 24, 2016
    39
    28
    United Kingdom
    As most said check your tyres, I find my speed triple 1050 heavy coming from a sports/supermoto background.
     
  6. GaryM

    GaryM It's him, you know who. Him from you know ....

    Apr 28, 2016
    862
    500
    Patna , Ayrshire
    Or just put a tool box on the back seat.
    Worked for me:)
    The Sprint I had was very sensitive to tyre pressure I found but as littleade suggests check the steering too.
     
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  7. XT Bloke

    XT Bloke Member

    May 22, 2016
    12
    8
    Bedford, England
    Steering is ok.
    Tyres were a bit low, F32, R30, now 36/40, tomorrow's 210 mile run will be interesting now :)
     
  8. XT Bloke

    XT Bloke Member

    May 22, 2016
    12
    8
    Bedford, England
    I've seen some tricked up forks on eBay and was wondering how much of a difference a properly setup bike would make, I've been riding for 35+ years but never really played about with suspension settings, I've messed about with engines and upgrading brakes but left the bouncy bits alone.
     
  9. GaryM

    GaryM It's him, you know who. Him from you know ....

    Apr 28, 2016
    862
    500
    Patna , Ayrshire
    Can't hurt ,I always felt the front was a bit too oft so had increased the preload on them.
    Rear I set them for a firmer ride as well.
    Preload was easy to adjust on the rear with the remote adjuster. Rebound a bit more tricky due to the awkwardness of getting to it.
    Just adjust each one in turn ride it and see what you think.
    The easy way of course is to take it to a suspension set up place.
     
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  10. Sprinter

    Sprinter Kinigit

    Aug 17, 2014
    6,029
    1,000
    uk
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  11. MrOrange

    MrOrange Guest

    Tyre's would be my first focus, if head bearings are OK.

    Tyre pressures, as mentioned and also condition. My previous bike came with part worn tyres, as they do. And it was horrible, ran it for a month and hated it, felt sluggish and then past a point it would fall over!!!
    Fresh rubber at correct pressures was a revelation, made it like a new bike.

    How many miles on them, how old (date code on side) 2512 is week 25 of 2012 iirc, have they gone off with age? Are they mismatched pair? Squared off, even a little make it horrible. A squared off rear can make it slow to turn, as it sits on the flat and tries to roll off of it.
     
  12. XT Bloke

    XT Bloke Member

    May 22, 2016
    12
    8
    Bedford, England
    The bike had been sat in a garage for 3 years with a blown engine when I bought it, shortly before the cam chain had tried to escape on the M1 the previous owner had new Maxis tyres front and back so they don't have much wear on them.
    I'm happy to change them if it fixes this heavy handling feeling but want to make sure it's not just how these bikes are, I would be very surprised if this is by deign as I would expect an ST to be a bit more nimble.
     
  13. Sprinter

    Sprinter Kinigit

    Aug 17, 2014
    6,029
    1,000
    uk
    #13 Sprinter, Mar 25, 2017
    Last edited: Mar 25, 2017
    If the bike was not moved regularly when store the tyres will be deformed on the bottom (being as the tyres move in a circular motion I would not give any guarantee that the deformation will remain on the bottom, in fact I doubt it) after 3 years stagnant.
     
    • Like Like x 1
  14. trudd

    trudd Member

    Oct 13, 2014
    38
    18
    • Like Like x 2
  15. XT Bloke

    XT Bloke Member

    May 22, 2016
    12
    8
    Bedford, England
    With higher PSI it is much better, and after 500 miles at the weekend I may have got used to it but overall is is much improved with some toe scrapping :)
     
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  16. thebiglad

    thebiglad Old fart, still riding !

    Sep 25, 2013
    5,066
    1,000
    Central France
    So you're now feeling a bit happier then ??????????

    :D:D:D:D:D:D:D:D:D:D:D:D:D:D:D
     
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