Are Mercury 4 strokes reliable?

4-stroke engines are more reliable, fuel-efficient, and quieter but heavier and slower in general. Constant development, in particular by Mercury Marine, has narrowed the performance and maintenance differences on the two different styles, but the general perception remains mostly accurate.

How fast does a Mercury 75 hp go?

The 60 is a 34-37 mph motor. On my boat, I can feel a few more hp and she’d be there. A 75 should get you to 40-42, and you can cruise at the 60’s max speed.

How do you diagnose a boat motor problem?

Troubleshooting a Rough-Running Outboard Engine: Tune Up Tips

1. Check the Tank Vent and Hoses.
2. Check the Fuel Connector.
3. Check the Fuel Filter/Water Separator.
4. Check/Replace Secondary Fuel Filters.
5. Check/Replace Air Filter.
6. Check Spark Plugs/Ignition.
7. Check/Clean Carburetor.

How much does a 75 hp Mercury outboard weight?

359 lbs
Specifications – 75

Is it OK to lay a 4 stroke outboard on its side?

As such, it is never advisable for you to lay a 4-stroke boat motor on its side no matter what the case may be. Always make sure that, when transporting or storing your 4-stroke boat motor, you don’t lay it on its side.

What happens if you lay a 4 stroke outboard on its side?

also remember that the newer four strokes you can only lay on one particular side (as per owners manual, some brands have different side up) or oil will leak out of engine and into cylinders causing engine to hydraulic, also will leak all over the floor, making rather a big mess to clean up.

Are there any problems with the Mercury 90 hp four stroke?

When talking about Mercury 90-HP FOURSTROKE engines, it is important to clearly identify which model is being discussed. In this case, the 90-HP FOURSTROKE with all the carburetor fouling problems is the older model. Once Mercury changed to electronic fuel injection for these engines, the problems went away.

Why does my mercury four stroke boat won’t start?

Another most common issue that often mercury four stroke users complain about is the engine or motor overheating problem. When the outboard motor gets overheated, it abruptly shuts off and won’t start again, which is natural because it needs to cool down first and after that, if you will try, it will re-start.

What is a 4 stroke Mercury outboard motor called?

The trademark name for the Mercury four stroke motors is “FOURSTROKE”. All other four stroke outboards are referred to on their websites as “four stroke” or “4 stroke”. On THIS (CW) site four stroke Mercury motors are designated “FOURSTROKE” all others are designated “four cycle”.

Do mercury fourstroke Jets clog easily?

It’s no secret that [Mercury FOURSTROKE 70 to 90-HP outboard engines] have a reputation for their tiny little CARB Three-Star EPA-friendly [carburetor] jets clogging easily. From reading the many threads here about this phenomenon, I’ve discovered there are three ways this breaks: