A silencer blast in a Royal Enfield bike, also known as a backfire, refers to the loud popping sound that occurs when unburnt fuel in the exhaust system ignites. This phenomenon typically happens when the engine is running rich or when there is an issue with the ignition timing.
While a backfire itself does not usually cause a motorcycle fire, it can be an indication of an underlying problem that could potentially lead to a fire if not addressed. If the fuel mixture is excessively rich or there are issues with the ignition system, unburnt fuel may accumulate in the exhaust system. If this fuel ignites within the exhaust, it can cause a fire.
It's important to note that motorcycle fires are relatively rare occurrences and usually require specific conditions or additional factors to ignite. Regular maintenance, including ensuring proper fuel-air mixture and ignition system functioning, can help minimize the risk of such incidents. If you experience frequent backfiring or suspect any issues with your motorcycle, it is advisable to have it inspected and repaired by a qualified mechanic.