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Marine Tech Tips

Marine Tech Tips - Propping Tips for Outboard Engines

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Ever wonder how to properly prop your outboard engine to get the best performance from your boat? Barry Stokes, host of Southwest Outdoor Reports, gives helpful tips to on finding the right propeller for your application. Watch how Barry uses examples of propping his Mercury OptiMax ProXS and answers some of the most frequently asked questions that often make propping marine engines difficult.

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Marine Tech Tips - Marine Fuel Injector Cleaning

Your engine won’t start with one turn of the key anymore. It idles rough, and it surges on its way to full throttle. The boating season has just begun, and you’re already having problems. It could be that your engine’s fuel injectors are dirty, clogged with stale fuel that has dried and turned to varnish. [...]

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Marine Tech Tips - Five Ways to Make Your Outboard Engine Perform Better

If you’re a boater who was born before 1980, your first outboard engine memories probably resemble this: An adult male relative (your father, most likely) is bent over the the family skiff’s smoke-belching, cantankerous two-stroke engine with a can of starting fluid in one hand and a hammer in the other. More simply put, you [...]

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Marine Tech Tips - Four-Stroke Outboard Oil Check

Checking the oil level in a four-stroke outboard is about as basic as maintenance gets, and should be part of the “pre-flight” routine of every outboard owner. But I’m guessing many outboard owners go an entire season without lifting the cowl, because our boats–like our road vehicles–are so reliable and maintenance-free these days that we [...]

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Marine Tech Tips - Proper Maintenance of an Outboard Power Tilt and Trim

Your outboard’s Power Trim and Tilt unit changes the outboard’s thrust angle during operation for maximum performance of both your outboard and your boat. It’s electro-hydraulic, meaning an electric pump moves hydraulic fluid upon command from the operator, tilting the thrust angle out or in. It’s positioned inside the engine bracket, meaning almost constant contact [...]

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Marine Tech Tips - How to Choose a Boat Prop

Choosing a Boat PropellerThe optimum boat propeller for your particular application is one that will allow your boat's engine - with your normal load aboard - to develop full-throttle RPM within the engine manufacturer's recommended maximum RPM range.Recommended RPMEvery engine manufacturer states the recommended RPM range as part of the engine specifications. Damage to the [...]

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Outboards start like a car; just tilt ‘em down and turn the key. At least newer ones do. But it wasn’t always that way. There was a time when you had to know how to start your engine. Carbureted two-strokes can be fussy, especially when cold.Now, there’s still plenty of carbureted two-strokes in service. Maybe [...]

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Marine Tech Tips - Boost Speed with Outboard Engine Height Adjustments

Any owner seeking the last bit of speed from an outboard-powered boat should grab a yard stick. Not to measure boat speed, but to gauge the mounting height of the outboard motor on the boat transom. Rest the yard stick or another suitable straight edge along the keel on the bottom of the boat so [...]

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Marine Tech Tips - The Truth About Props

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 [...]

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Marine Tech Tips - How to Flush an Outboard Motor

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 start the [...]

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