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Symptom guide

Bike troubleshooting guide

Explore possible causes and planning cost ranges from common symptoms. This guide cannot inspect or diagnose your bike.

Won't startStarts, then dies or stallsLow pick-up / powerPoor mileageWhite smoke from exhaustBlack smoke from exhaustBlue smoke (burning oil)Ticking / tapping engine noiseChain noiseBrake squeal or grindingEV range droppedEV not charging

Likely causes

Black smoke from exhaust

Get it checked this week

Likely causes

  1. Choked air filter making the mixture rich
  2. Choke left on (carburettor bikes)
  3. Carburettor needs tuning or a leaking float valve
  4. Faulty fuel injector or oxygen sensor (FI bikes)

Check yourself first

  • Make sure the choke is fully off
  • Clean or replace the air filter
Typical repair cost
৳310 – ৳3,880

Guidance only, not a substitute for an inspection. Costs are approximate ranges for parts and labour.

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