If there is black smoke coming from your bike, what could be the reasons for it?

Question

Accepted Answer

Black smoke from a bike indicates incomplete combustion, often due to fuel or engine issues.

Rich fuel mixture: Too much fuel and not enough air can cause black smoke. Example: A clogged air filter.
Faulty fuel injectors: Malfunctioning injectors can lead to excessive fuel delivery. Example: Leaking injectors.
Worn piston rings: This can allow oil to enter the combustion chamber, causing smoke. Example: High mileage engines.
Dirty air filter: A blocked air filter restricts airflow, leading to a rich mixture. Example: Regular maintenance can prevent this.
Engine tuning issues: Incorrect tuning can lead to improper combustion. Example: A poorly adjusted carburetor.

Top Deputy Sales Manager Interview Questions Asked at VE Commercial Vehicles