The practice of idling a motorcycle engine for a few minutes before switching it off after a long ride is not a strict requirement for all motorcycles. However, there are a few considerations to keep in mind:
Cooling: After a long ride, the engine of a motorcycle may have reached high operating temperatures. Allowing the engine to idle for a short period can help dissipate some of that heat and allow the engine components to cool down gradually. This can potentially help prevent sudden temperature differentials that may affect the longevity of engine parts.
Oil Circulation: Letting the engine idle for a few minutes allows the oil to circulate and lubricate the engine components before it comes to a complete stop. This can help ensure that all parts are adequately lubricated, reducing wear and tear.
While idling can have some benefits, it is not necessary to leave the engine running for an extended period. In fact, idling for too long can be wasteful in terms of fuel consumption and can contribute to unnecessary pollution.
If you decide to let your motorcycle idle after a long ride, a few minutes (around 1-3 minutes) should generally be sufficient. However, always refer to your motorcycle's owner's manual or consult the manufacturer's recommendations for specific guidance on idling and cooling procedures, as they may vary depending on the make and model of the motorcycle.