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Very Urgent. Upsized tyre touching swingarm rod

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  • [Photo Feature]: Very Urgent. Upsized tyre touching swingarm rod

    Hi all so this is my first forum as i am a new member of this wonderful group. i own a pulsar 150 dts-i ug3 model. My rear stock tyre is 100/90/70. Recently i changed my tyre with Michelin Pilot Sporty 120/80/17 (TL). I have heard that upsizing tyre beyond 110 in pulsar 150 would touch chain cover.but it don't touch mine.Bike was running well and i rode almost 90 kms after changing tyre.but the problem is yesterday i was taking my bike out my garage (not riding) while i felt the wheel is slightly clumsy(very little).then i found out that the rear tyre is touching a rod which is connected from rim hub to swing arm as support just below the rear brake wire.now i am confused as it's not the chain cover which i could have removed in case.but it's the opposite side (right side).i am really worried what modification could be done and if any mechanic would solve this problem. before i show any mechanic i just need some good advice. please help if anyone have any idea about this.i have uploaded the picture with red arrow mark where it touches wheel.

    P.s: i work 6 days week so only Sunday i can take to mechanic.so before that please help me out.
    Attached Files

  • #2
    Re: Very Urgent. Upsized tyre touching swingarm rod

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    • #3
      Re: Very Urgent. Upsized tyre touching swingarm rod

      Ah, maybe change your swingarm to that of P180. I'm not getting a clear picture here, maybe other members would provide better solution.
      I am back!

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      • #4
        Re: Very Urgent. Upsized tyre touching swingarm rod

        thanks i will query to mechanic about it.

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        • #5
          Re: Very Urgent. Upsized tyre touching swingarm rod

          Hi bro that rod is the one that supports the rear brake liner cover from rottating with the wheel.Do one thing u mark the area where its touching the tyre then remove that rod and give it a bend at the area where its touching and put it back and see . Am sure it will work fine because i had this issue before in my 2000 model CBZ classic and i did same thing and got rectified.

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          • #6
            Re: Very Urgent. Upsized tyre touching swingarm rod

            Originally posted by lichin View Post
            Hi bro that rod is the one that supports the rear brake liner cover from rottating with the wheel.Do one thing u mark the area where its touching the tyre then remove that rod and give it a bend at the area where its touching and put it back and see . Am sure it will work fine because i had this issue before in my 2000 model CBZ classic and i did same thing and got rectified.
            100% correct. i had a P150 UG3 since 2006 (sold a few days ago)

            one more thing, i suspect that 120 section tyre should touch chain cover since i had installed a 110 tyre, and since your tyre is not touching chain cover but iinstead touching that rod on opposite side, means your tyre is not aligned straight, so plz check it. the mechanic may have mis aligned the tyre slightly to prevent it from touching chain cover by tightening the chain adjuster nuts unequally on both sides.
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            • #7
              Re: Very Urgent. Upsized tyre touching swingarm rod

              Yup as said above by princesirohi, it's an alignment problem, get it alligned properly. . . I think 120/80-17 can fit but if it causes more then I think you need to take it to the welding shop, cos one of my friend upgraded in the same way of his Hunk tire from 100/90-18 to 12/80-18 and he said little alteration is required if the swingarm does not provide that much place. . . I am also not getting a clear idea about it looking at these pics, but I think these are the things which can cause the tire to touch only to one side. . .

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              • #8
                Re: Very Urgent. Upsized tyre touching swingarm rod

                I suggest replacing the swingarm to that of P180/P200, it's a direct fit and would be better than all these "jugaads".
                I am back!

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                • #9
                  Re: Very Urgent. Upsized tyre touching swingarm rod

                  Originally posted by Cleaner View Post
                  I suggest replacing the swingarm to that of P180/P200, it's a direct fit and would be better than all these "jugaads".
                  That'd be cost one bro, if he has the money he can do that or else, he can do changes with the swingarm by taking it to a welding shop, that will also have a neat job done. . .

                  Cheers!!!
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                  Bajaj Pulsar AS200 - 16th September 2015 - present ride

                  10 years into riding :D
                  Live2Race. . .

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                  • #10
                    Re: Very Urgent. Upsized tyre touching swingarm rod

                    The pictures aren't that clear to even guess what could be wrong . Repost a better picture if you'd like.
                    At the moment I would suggest

                    1. to source a used swing arm from your local junk yard. Having spent so much for tyres and spending few more hundreds at a junk yard sounds fair to me.
                    2. Maybe, just maybe, you could add another spacer of about half an inch or so to the right end of the axle and try it out. It might work! Suggest this idea to your mechanic and find out his opinion too.
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                    • #11
                      Re: Very Urgent. Upsized tyre touching swingarm rod

                      Originally posted by petrolhead_chn View Post
                      The pictures aren't that clear to even guess what could be wrong . Repost a better picture if you'd like.
                      At the moment I would suggest

                      1. to source a used swing arm from your local junk yard. Having spent so much for tyres and spending few more hundreds at a junk yard sounds fair to me.
                      2. Maybe, just maybe, you could add another spacer of about half an inch or so to the right end of the axle and try it out. It might work! Suggest this idea to your mechanic and find out his opinion too.
                      +1. Rather than fouling the stock linkage rod, the portion most probably in contact with the tire, I suggest you check:

                      1. The wheel alignment from both ends.
                      2. Using washers/spacers to possibly widen the area.
                      3. If nothing work, ask your mech to source a used P180 swingarm from the junkyard.
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                      • #12
                        Re: Very Urgent. Upsized tyre touching swingarm rod

                        Thank you bro for replying...i dint have take that out cos i showed to mechanic and he just shifted the wheel little left and now it's fine.

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

                        Thank you bro for replying...i dint have take that out cos i showed to mechanic and he just shifted the wheel little left and now it's fine.

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

                        guys thanks a lot for your replies.really helped...and i am happy that problem is solved.i showed to my mechanic and he did it for free and shifted the tire little left and [MENTION=21717]Prince[/MENTION] you are right bro.it had some alignment problem....

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                        • #13
                          Re: Very Urgent. Upsized tyre touching swingarm rod

                          Is the tire/wheel properly aligned now?
                          I am back!

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                          • #14
                            Re: Very Urgent. Upsized tyre touching swingarm rod

                            YES IT IS.thanks and i like the michelin grip...saved me two three times from crashing

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                            • #15
                              Re: Very Urgent. Upsized tyre touching swingarm rod

                              dint went through the complete thread, just read your query, not the solutions provided by fellow bikers.
                              the solution is very simple, take out the rod, slightly bend it at the point where its touching the tyre and refilt it, if its again touching, add 2 3 washers between rod and drum plate.
                              i also had faced same issue while using 120/80 18 tyre at rear of my HH Hunk.
                              have a safe ride.
                              cheers...!

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