Why my Honda CB Shine SP engine makes heavy sounds?
when deriving the bike , it has havey sound, after one hour driving mode. why.....?
There may be many possible reason of engine making heavy sound like, IC igniter trouble, carbon built up in the combustion chamber, fuel quality might be poor, some problem in the spark plug etc.; I advise you to take your bike to your local Honda service center for proper solution.
Questions about Honda CB Shine SP