If your outboard motor is blowing out more than just a little smoke, here are some possible reasons why and what the colors mean.

Need to remove or replace a Mercury outboard lower unit? Here's a video playlist of gearcase maintenance and repairs for several Mercury outboard models.

Need to do oil changes for your Mercury outboard motor? Here's a video playlist of gearcase and engine oil changes for Mercury outboards.

Lower unit oil changes are an easy do-it-yourself outboard maintenance task. Here are the basics of changing outboard gearcase lube.

Need to do oil changes for your Yamaha outboard engine? Here's a playlist of lower unit and engine oil changes for Yamaha outboards.

Milky oil in your outboard's engine is a sign of several potential issues. Here are four common causes of milky oil in an outboard motor.

Owning an outboard motor doesn't come cheap. Find out about some basic outboard maintenance costs here.

Need some pointers on basic boat and outboard maintenance? Here's a standard checklist to help you stay on top of boat maintenance.

Step-by-step guide and video on how to do an oil change for a Moomba Mobius boat engine.