Why Mahindra Gusto scooterвЂ™s engine makes noise?
There may be many reasons of noise like:
• Spark plug might be incorrect.
• Carbon built up in the combustion chamber.
• IC igniter problem.
• Valve clearance incorrect.
• Insufficient engine oil.
• Fuel might be of poor quality.
The exact cause of noise can only be determined by physical examination, we advise you to take your scooter to your local Mahindra service center as they will find the root cause of noise and fix it.