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

Brake squeal or grinding

Get it checked this week

Likely causes

Pads or shoes worn to the metal (grinding sound)
Dust or glazed brake pads
Oil or chain lube on the disc
Mud and water after rain

Check yourself first

Look at pad thickness through the caliper: under 2 mm needs replacing
Keep chain lube and polish off the disc

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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