Sign of faulty timing (cam) chain

Most of the manual of our bikes (Bajaj Pulsar P150 / P180 / P200 / P220 DTS-i / DTS-Fi or Apache RTR 160 / 180 or Yamaha R15 / FZ / Fazer or Hero Honda Karizma (ZMA) / ZMR / 150cc) seems to be missing the instruction about timing chain replacement.

Here at NexGenBikes.com while maintaining all these bikes under long term basis, we have found that usually within 12000 to 15000 kms, user should think of checking the timing chain and replace it its necessary.

How to know that if your timing (cam) chain is faulty ?

A good mechanic or experienced rider can identify a faulty timing chain while listing to the engine sound in idle RPM. When changing the chain, compare the new one with older one to see if it is really needed to change or not.

Here is an example of faulty timing chain compared with a good one.

It (this guide) is applicable to following bikes,

  • Bajaj Pulsar (P150 / P180 / P200 / P220 DTS-i / 220 DTS-Fi)
  • Apache RTR (160 / 180)
  • Hero Honda Karizma (ZMA) / ZMR / Hunk / CBZ eXtreme
  • Honda Unicorn / Dazzler
  • Yamaha R15 / FZ-16 (150cc) / Fazer (150cc)
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14 comments

  1. Where is the signs ??? In this post there is nothing related to “Sign of faulty timing (cam) chain”

    • Please do refer to the given picture.. [:)]

    • a faulty timing chain will give a tic tak sound when the engine is on idle ie neutral…turn on and listen

      • Yes sir, you are right, an experience rider can immediately identify the sound from a running engine but not the same for a new rider who is riding his bike and getting used to all the sounds.

        For many, its pretty hard to differentiate the sounds coming from engine.

      • No, Timing chain gives rattling noise, Ticking sound comes from Loose tappets and when engine running on compression leakage.

  2. @ Pravin

    See the tiltnes of both the Cam Chain….

  3. huh!!! The picture??? How can we detect faulty timing chain without opening the engine ???

  4. Hi Hunky,
    Good Job and Congrats.. I own a Pulsar 2003 model (non-dtsi) version. Its engine is overhauled before 6 months with new piston, rocker arm, camshaft (not sure whether timing chain is changed).. Even after this, it produces knocking sound (tic-tic)from engine at idle RPM. Is this could be due to faulty timing chain?

    • Hi,

      The stock OEM chains are 2 row chains, you’re better off finding an equivalent 3 row chain which is technically more heavy duty and should last longer too.

  5. now this is what u call a super idiot………..where have u told the symptoms of faulty cam chain or pic u are showing , nobody can understand tge fault in it…….lol

  6. We can identify if the tiltness is more than a new Cam Chain. The most important part is the sound…

  7. Can’t see the different in picture that u showed not even me I think no one cen get the difference between booth chain.
    and plzzzz tell us the symptoms to changing the timing chain

  8. I think Comedy class starts today with a great joke. Share it to everybody.

  9. All you idiots who cant understand whats shown in the picture :

    1. Are Blind, and Dont know how tolerances work in links / chain
    2. &, Know nothing about motorcycle maintenance

    Nice one Nextgenbikes !

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