How to identify / find out / spot sign of faulty chain sprocket

Almost all the Indian mainstream bikes / motorcycle use chain driven final drive. Where two chain sprockets are interconnected with a drive chain transfer the power from gear box to rear wheel. Different manufacturer provides different tentative life span of the chain sprockets and sets a change interval but this is a wear and tear part, which may last more than the said interval or need change well before the said interval depending on riding style, weather, terrain and maintenance given to it.

How can you identify / spot or find out the sign of a faulty chain sprocket of your bike / motorcycle ?

Best place to find answer is always your user / owners manual. Some of the bike / motorcycle makers provides an illustrated guide to help out the owner to identify the problem well ahead of any major problem.

Below is the example of a worn out chain sprocket vs a good chain sprocket, notice the teeth of the both as that is the best way to spot the damage and identify the fault.

One more visible identification would be the chain slippage. If the sprockets have worn out completely, then when you try to accelerate, the drive chain slips and rotates freely making a lot of noise.

How long can a chain sprocket last or when is the time to replace the chain sprocket ?

Usually this is a part, which needs replacement when faulty. There is no actual kms interval shown but usually 25000 kms can be expected as a normal life for your drive chain and chain sprocket. This value may decrease if you are careless about your drive chain maintenance.

How to maintain your drive chain properly -> Guide by

This article is applicable to almost all indian bikes / motorcycle, namely,

  • Bajaj Avenger A220 DTS-i / 200 DTSi
  • Bajaj pulsar 150 / 180 / 200 / 220 DTS-Fi / DTS-i
  • Yamaha FZ-16 / Fazer / YZF R15
  • TVS Apache RTR 160 / 180
  • Hero Honda Karizma (ZMA) / ZMR / Hunk / eXtreme
  • Honda Unicorn / CB Dazzler

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