WHAT’S THE TRUTH? We call props screws, and therefore many people suppose that a prop works just like a woodscrew. It’s seen as a helix that winds its way through water (instead of wood), using a continuous inclined plane for mechanical advantage. A variation i …

How to Flush Outboard Engines that have a Flushing Port: Remove the cap from the flushing port, and thread your garden hose into it. If the boat is in the water, tilt the engine up until the outdrive has drained of saltwater. Turn on the water, and let it run for at least five minutes. Do not st …

Step OneFirst, be sure your outboard is in a vertical and upright position.Locate and identify the upper and lower Fill & Drain Plugs.Place an oil drain pan beneath the outboard.Step TwoRemove the BOTTOM drain plug first (not the top).Some oil will begin to trickle out so be sure your oil drain pan …

When you finally hit bottom — and you will — you’ll want to know how to install a new Yamaha lower unit. Tools Required:- 14 mm socket (and wrench)- 12 mm socket- Pliers- Grease- Gear lube and pump- Torque wrench- Large flathead screwdriverMarine Parts Warehouse is a dealer for Sterndrive Engin …