Motorcycle chains are an important part of the bike both from the perspective of performance and safety.
But more often than not they are ignored. And the only maintenance they get is (if at all) lubrication when the mechanic feels like it.
Any bike chain needs three things.
The performance bikes need this more often than the commuter bikes.
If you are willing to get your hands dirty then this is around 30 mins job on a weekend.
Step by step instructions for maintenance of your bike chain.