Author Rear feels like it's slipping out?  (Read 3779 times)

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  • Offline BrewMyTea   gb

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    Offline BrewMyTea

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    Rear feels like it's slipping out?
    on: Jan 28, 2024, 03.50 pm
    Jan 28, 2024, 03.50 pm
    Hiya guys,

    So I've had an issue with this where the rear feels like it's slipping out. I wouldn't say I lean excessively, yet when I get myself over, I tend to feel a twitch in the rear and bring the bike back up.

    I'm not entirely sure what this could be.

    I've checked the PSI and they are set to 42 at the rear and 36 in the front.

    Tyres are Dunlop Roadsmart 3, tread is good, not too old.

    Now honestly, it could all come down to confidence with leans, I've never scraped a peg with my Z900. Though I have come off and wrote off my Versys 650 in a slow slide and I didn't even hit the footpeg before I went down, makes me think it was oil/diesel/gas on the road.

    If anyone has any suggestions, I'd really appreciate it :)

  • Offline KellyL   au

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    Offline KellyL

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    Re: Rear feels like it's slipping out?
    Reply #1 on: Jan 29, 2024, 02.10 am
    Jan 29, 2024, 02.10 am
    A bit of a “how long is a piece of string” question… but here are some possibilities

    - oil or diesel on the tyre
    - other crud on the tyre
    - new tyre not scrubbed in, still has releasing agent on it
    - overinflated tyre
    - excessive spring preload
    - excessive compression damping (not really a problem with stock suspension)
    - slippery road surface
    - bad throttle control
    - traction control turned off or absent
    - misaligned rear axle
    - other rider error

  • Offline KellyL   au

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    Offline KellyL

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    Re: Rear feels like it's slipping out?
    Reply #2 on: Jan 29, 2024, 05.26 am
    Jan 29, 2024, 05.26 am
    Should also add:

    - worn swingarm bearings
    - worn rear wheel bearings
    - loose axle nut
    - loose steering head bearings
    - incorrect chain tension (either too tight or too loose)

  • Offline BrewMyTea   gb

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    Offline BrewMyTea

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    Re: Rear feels like it's slipping out?
    Reply #3 on: Jan 29, 2024, 09.25 am
    Jan 29, 2024, 09.25 am
    *Originally Posted by KellyL [+]
    A bit of a “how long is a piece of string” question… but here are some possibilities


    - oil or diesel on the tyre (This is possible, the roads aren't great where I am yet)
    - other crud on the tyre
    - new tyre not scrubbed in, still has releasing agent on it 
    - overinflated tyre  (Would 42 PSI be too much? I know some people run a little under)
    - excessive spring preload  (I've never had this set up to my weight, I'll need to look at this)
    - excessive compression damping
    - slippery road surface
    - bad throttle control  (Yeah I find the Z900, snappy, so this could be part of it)
    - traction control turned off or absent  (Working correctly)
    - misaligned rear axle  (Needs to be checked)

    (All of these need to be checked)
    - other rider error 
    - worn swingarm bearings
    - worn rear wheel bearings
    - loose axle nut
    - loose steering head bearings
    - incorrect chain tension

    Thank you for the list mate, it's given me somewhere to start. I have an Abba stand coming, bought a torque wrench, so I'll get everything set up correctly.

  • Offline porkchop   us

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    Offline porkchop

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    Re: Rear feels like it's slipping out?
    Reply #4 on: Feb 08, 2024, 07.36 pm
    Feb 08, 2024, 07.36 pm
    Rider confidence?
    All had pucker moments but simple wrist control is a great thing when you use it properly.
    Forget any "modes", rely on yourself + feel of the bike when situations arise.
    Chop throttle, get on it- a quick counter steer.... All you need.   :028:

    Enjoy the ride  :821:

  • Offline Vega   us

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    Offline Vega

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    Re: Rear feels like it's slipping out?
    Reply #5 on: Feb 22, 2024, 02.50 pm
    Feb 22, 2024, 02.50 pm
    How new is the bike?  Are they the stock tires?  I have a 2024 I bought in December, it has ~700 miles on it now and I also feel excessive slipping in the rear when leaning the bike.  Preload and rebound are adjusted correctly. I have tire pressure at 35/39 so they're not overinflated.  The bike doesn't feel planted while leaning like the bike I traded in for it did, a '22 SV650, and that didn't even have adjustable suspension.  I am definitely less aggressive in the corners now with this bike due to the feeling in the rear.  I believe the stock tires need a hotter road (it is February here in Indiana, so hot the road it is not), and that is probably largely to blame.  However, I have also noticed the stock tires are not rounded at the shoulder, they appear to have a ridge, which makes me think that may be to at least partly to blame as well.  I may end up switching tires in the near future if it doesn't improve once the road surfaces warm up.  Hope you get yours figured out, I'm going to keep trying with mine.
    Last Edit: Feb 22, 2024, 02.51 pm by Vega

  • Offline zed9   us

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    Offline zed9

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    Re: Rear feels like it's slipping out?
    Reply #6 on: Feb 23, 2024, 03.28 am
    Feb 23, 2024, 03.28 am
    We’ve been over this. The tires that come stock on the z900 are the worst tires ever made. Or close to it.
    Throw them out and put decent rubber. My pick is Continental Road Attack 3 (tho they make a 4 now).

  • Offline JerryZ   th

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    Offline JerryZ

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    Re: Rear feels like it's slipping out?
    Reply #7 on: Feb 23, 2024, 09.24 pm
    Feb 23, 2024, 09.24 pm
    yep roadsmarts are not the best ,, get Michelin PR or Bridgestones or Metzlers or Pirrellis  and Contis .

  • Online 3alfa3   hr

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    Online 3alfa3

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    Re: Rear feels like it's slipping out?
    Reply #8 on: Feb 24, 2024, 11.41 am
    Feb 24, 2024, 11.41 am
    72.000km since i boght 2020 Z900. First 10.000km was comic - slip and slide (stock tyres). After that, Michelin Pilot Power (not CT) - revelation (i did use them on previous bikes and was OK with performance), and after that, always Metzeler M7RR.
    For my riding style, Michelin PP (now 2CT because single compoud PP is not available for some time now)  is OK, but, price is almost the same as for Metzeler M7RR which is better tyre in my opinion, so M7RR is my choice.
    Last Edit: Feb 24, 2024, 11.42 am by 3alfa3

     



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