Keeping Things Smooth with a Throttle Body Sync Tool
If your engine is idling like a lawnmower or vibrating through the footpegs, it might be time to grab a throttle body sync tool and see what's going on under the tank. Most people who ride multi-cylinder bikes eventually realize that the secret to that "factory-fresh" smoothness isn't just about changing the oil or swapping out spark plugs. It's actually about balance. When you have two, three, or four cylinders all trying to work together, they need to be pulling exactly the same amount of air. If they aren't, your bike is basically fighting itself every time you twist the grip. ...