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Thread: Ninja 650R Pulls to the Left

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    Default Ninja 650R Pulls to the Left

    I'm riding a 2011 Ninja 650R. In December 2015, I had a low speed (20-25 km/h) crash during which the bike slipped in gravel and fell onto it's right side. Post crash, other than cosmetic damage, the bike was fine. There was no pulling to one side or any other such running issue.

    Subsequently, I've had the RHS fairings, brake pedal and all 3 brake pads replaced. During that time, I noticed that when I let go of the handle bars, the bike pulls to the left. Also, when riding in a straight line at cruising speeds (> 45-50 km/h) I have to make the bike lean slightly to the right to ensure that the bike goes straight. I am ABSOLUTELY CERTAIN that this is NOT because of banked roads.

    In my pursuit of trying to fix this issue, I've had new tyres fitted and experimented with all sorts of tyre pressures. The forks seem to be straight and otherwise un-damaged. Any suggestions or ideas on what might be causing my current predicament will be much appreciated.

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    Default Re: Ninja 650R Pulls to the Left

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    Default Re: Ninja 650R Pulls to the Left

    Quote Originally Posted by dhruv_008 View Post
    I'm riding a 2011 Ninja 650R. In December 2015, I had a low speed (20-25 km/h) crash during which the bike slipped in gravel and fell onto it's right side. Post crash, other than cosmetic damage, the bike was fine. There was no pulling to one side or any other such running issue.

    Subsequently, I've had the RHS fairings, brake pedal and all 3 brake pads replaced. During that time, I noticed that when I let go of the handle bars, the bike pulls to the left. Also, when riding in a straight line at cruising speeds (> 45-50 km/h) I have to make the bike lean slightly to the right to ensure that the bike goes straight. I am ABSOLUTELY CERTAIN that this is NOT because of banked roads.

    In my pursuit of trying to fix this issue, I've had new tyres fitted and experimented with all sorts of tyre pressures. The forks seem to be straight and otherwise un-damaged. Any suggestions or ideas on what might be causing my current predicament will be much appreciated.
    How much has your bike completed? It is possible that the coneset needs replacement or needs to be adjusted. apart from that, the only possible thing is the front wheel bearing needs replacement and the axle needs to be lubed.

    All the above only in case the fork isn't bent..
    Splendor - 2k to 2006
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    Ninja 250R (2010) - 2016 til now
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    Ninja 650 (2014) - 2017 til now


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    Default Re: Ninja 650R Pulls to the Left

    Th problem could be because of coneset does it wobble or just pulls to side ?

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    Default Re: Ninja 650R Pulls to the Left

    wrapped rotors or sticky brake pads ? loose swing arm ?
    I know you mentioned tire change, but is the rear tire properly aligned? This is easy to check, I believe, there are markers on either side.
    "Never ride faster than your guardian angel can fly."

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    Default Re: Ninja 650R Pulls to the Left

    No wobble, just a pull.

    ----consecutive posts auto-merged-----

    Quote Originally Posted by rreneav1987 View Post
    How much has your bike completed? It is possible that the coneset needs replacement or needs to be adjusted. apart from that, the only possible thing is the front wheel bearing needs replacement and the axle needs to be lubed.

    All the above only in case the fork isn't bent..
    The bike has done roughly 24k kms. The forks are definitely not bent. Could this be a case of different oil levels between the 2 forks?

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    Default Re: Ninja 650R Pulls to the Left

    Quote Originally Posted by dhruv_008 View Post
    No wobble, just a pull.

    ----consecutive posts auto-merged-----



    The bike has done roughly 24k kms. The forks are definitely not bent. Could this be a case of different oil levels between the 2 forks?
    Not too much of an effect.. but possible.. I would recommend you to check the cone set
    Splendor - 2k to 2006
    Karizma - 2k3 to 2009
    P180 - 2k6 to 2k9
    Hunk - Oct 2k7 til now
    ZMR - 2010 to Forever
    RX135(2k) - 2013 to 2018
    Ninja 250R (2010) - 2016 til now
    RayZ - 2015 til now
    Ninja 650 (2014) - 2017 til now


    Delhi to Narkanda
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    Default Re: Ninja 650R Pulls to the Left

    Quote Originally Posted by becham_79 View Post
    wrapped rotors or sticky brake pads ? loose swing arm ?
    I know you mentioned tire change, but is the rear tire properly aligned? This is easy to check, I believe, there are markers on either side.
    I don't see how the brakes could cause the pulling. Even if one of the front brakes is dragging, there's only one point of contact. This could cause problems in cars where there are multiple points of contact.

    Rear wheel alignment seems to be in order.

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    s1d
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    Default Re: Ninja 650R Pulls to the Left

    Quote Originally Posted by dhruv_008 View Post
    No wobble, just a pull.The bike has done roughly 24k kms. The forks are definitely not bent. Could this be a case of different oil levels between the 2 forks?
    The forks in most cases are not bent.. some mechanics due to a lack of knowledge simply say 'saar fork bend'.
    It is probably the 'cone-set' (local term for the steering stem race and bearings)
    You could first try to get it tightened a wee bit. If not a replacement should suffice.
    One other thing is alignment of the forks/wheels. Make sure the front and rear are in a straight line and that the handlebar is pointing straight relative to the wheel.

    Here is a video I came across on replacing the 'cone-set' on a n650 (the er6n)



    And for minor 'reset' of the fork alignment:



    Quote Originally Posted by dhruv_008 View Post
    I don't see how the brakes could cause the pulling. Even if one of the front brakes is dragging, there's only one point of contact. This could cause problems in cars where there are multiple points of contact.
    If you have warped rotor, then every time you hit the brake you will feel a shudder in the handlebar and it becomes impossible to hold the front brake for more than 2 seconds.

    ----consecutive posts auto-merged-----

    Quote Originally Posted by dhruv_008 View Post
    The bike has done roughly 24k kms. The forks are definitely not bent. Could this be a case of different oil levels between the 2 forks?
    was the oil ever changed in one or both forks?
    it's mostly like you will need a minor tightening of the steering stem nut or worse case a cone set replacement.
    as another user pointed out, get the front wheel checked for a bad bearing.. it's unlikely for it go bad in 24k under normal use.

    Something that skipped my mind earlier, a worn/old (3 +years) front tire could also cause that minor pulling.
    Last edited by s1d; 07-28-2016 at 02:18 PM. Reason: Video Format settled in post

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    Default Re: Ninja 650R Pulls to the Left

    Quote Originally Posted by s1d View Post
    The forks in most cases are not bent.. some mechanics due to a lack of knowledge simply say 'saar fork bend'.
    It is probably the 'cone-set' (local term for the steering stem race and bearings)
    You could first try to get it tightened a wee bit. If not a replacement should suffice.
    One other thing is alignment of the forks/wheels. Make sure the front and rear are in a straight line and that the handlebar is pointing straight relative to the wheel.

    Here is a video I came across on replacing the 'cone-set' on a n650 (the er6n)



    And for minor 'reset' of the fork alignment:




    If you have warped rotor, then every time you hit the brake you will feel a shudder in the handlebar and it becomes impossible to hold the front brake for more than 2 seconds.

    ----consecutive posts auto-merged-----


    was the oil ever changed in one or both forks?
    it's mostly like you will need a minor tightening of the steering stem nut or worse case a cone set replacement.
    as another user pointed out, get the front wheel checked for a bad bearing.. it's unlikely for it go bad in 24k under normal use.

    Something that skipped my mind earlier, a worn/old (3 +years) front tire could also cause that minor pulling.
    My tyres are brand-spanking new. During replacement of the tyres, the bearings looked fine. Oil in the forks, I'll have to check that. I did however notice this - when my bike standing straight with the handlebars pointing the tyre forward, the forks seem to be angling to the right. They look parallel to each other, but angled to the right... Does this mean bent forks? I did not notice any stress marks along the either fork. What does the issue of angled forks point to?

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