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Noise in 5th Gear

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  • #1

    Noise in 5th Gear

    Hey guys,

    There seems to be some problem with my Bajaj Pulsar 180 run about 56k kms. When I change to 5 gear, there is sound coming from the gearbox/chain/sprocket. Its kind of a chain dragging sound, not very harsh kind of wind blowing sound. It happens only while accelerating on the 5th gear even at low speed. At same speed 4th gear I dont get that sound. Also it happens only while accelerating, if I close the throttle I dont get the sound. Any idea what the issue could be?

    I intially thought it could be very tight chain and I went to nearby bike shops, they say the sprockets are worn out. But how can the sound come only in 5th gear if sprockets are worn out? I am thinking the 5th gear is worn out, what do you guys think?

    Thanks,
    Revhappy
    Tags: None
  • #2
    Query approved.
    (Been There Done That) x 3.25

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    • #3
      anything that can go wrong will surely go wrong at the wrong time and the wrong place

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      • #4
        Thanks buddy.

        Yes exactly its the truck tyres on a highway kind of sound. I was able to reproduce the issue mentioned, by putting the bike on main stand and then changing gears and revving and can hear the sound in 5th gear. But can't make out from where the sound is coming.

        I am thinking of opening the chain box and the front sprocket cover and since my chain is o-ring chain it has the clip, which I believe I can remove and so I can remove the chain entirely from the bike and then put back the gear lever and then try revving again. If the noise still appears in 5th gear that means its an engine/gearbox issue. What do you say, can I do this experiment at home?

        As I live in Singapore, the mechanics are damn expensive here, and not that competent with Bajaj. So I try to DIY as much as possible and after I identify the issue I will take it to the bike shop.

        Thanks in advance!
        Revhappy

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