Talking about the best oil for bike engines is like dropping a small bomb in the middle of a conversation. Let’s be real, though. There are many different types of bikes out there.

Keeping your engine lubricated is a key part of motorcycle maintenance, so we're looking at the top motorcycle oil brands to find out which is best for you.

I've only ever run full-synthetic engine oil in it, which I change just about every 6,000 — or no more than 7,000 — miles, and go easy on acceleration and braking. I've replaced only rear ...