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 start Starts, then dies or stalls Low pick-up / power Poor mileage White smoke from exhaust Black smoke from exhaust Blue smoke (burning oil)Ticking / tapping engine noise Chain noise Brake squeal or grinding EV range dropped EV not charging

Likely causes

Black smoke from exhaust

Get it checked this week

Likely causes

Choked air filter making the mixture rich
Choke left on (carburettor bikes)
Carburettor needs tuning or a leaking float valve
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

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Local repair cost data is unavailable. Ask a local mechanic for a written estimate.

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

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