boat engine overheated now won't start

Tuesday, August 9, 2022 Edit

Turned it off and noticed a black film soot in the discharge water. Here is how I diagnose and repair an overheating boat engine without pulling it out of the water.

Starting Problems 14 5hp Ohv Briggs Stratton Help

Running at too high a speed.

. Or at the least the list will help you identify the actual boat engine problem youre experiencing. If it feels like the engine is losing power you might be overheating. Take the cowling off your outboard motor and check the engine compartment for fuel or water leaks after every trip.

Water or dirt in fuel system 5. Gas tank air vent not open 3. Sometimes in an overheat the oil thins out and fouls the plugs.

It would seem odd that the head gaskets on both sides are so bad that it wont even fire. This issue causes the head gasket to blow forcing coolant to begin leaking into the combustion room. Up to 15 cash back Okay first thing you need to do is put a socket wrench on the crankshaft bolt and see if you can turn the engine by hand.

Make sure you flush your engine after every trip. Clogged fuel filter or screens 6. Went to start it this morning and it wont start cranks but wont turn over.

Overloaded Engines can Cause Overheating. Put the cap back on the heat exchanger and put a load on the engine for 10 or 15 minyou can do this right at the dock in gear with good dock linesrecheck your exhaust for any steam and your oil breather for steam or water condensationif all is good you are a lucky manGo sailing with caution for a while one eye glued to the temp guage and your Tow boat. An overheated engine may not want to start up again after you shut it off until it cools down.

At low speeds or idle the engine will cool properly. Once that situation occurs the engine will start losing power. Overloaded weight on the boat.

If not pull all the spark plugs and see if it will turn over then watch for water leaving a cylinder. You can buy a compression tester for about 25 buck. Source seems to be the completely shredded impeller.

I replaced the impeller and started the boat last night with muffs on. An unusually large. Overheating from excessive load will show up only at higher throttle settings.

Empty gas tank 2. Fuel lines kinked or severely pinched 4. This is especially important if you boat in saltwater.

Make sure the pressure is normal and the temperature is warm but not hot. Changins parts without troubleshooting first is stupid. Engine not primed pump primer system 8.

Ad Talk to a Boat Mechanic Now for Help w Maintenance Troubleshooting and Repair. They are not professional grade but will do. Started right up and ran it for a minute a 1000 rpm per instructions.

When intense heat exists in the engine compartment it causes the engine block and cylinder head to expand quickly. Several factors can cause overloading. Motor not being choked to start 7.

Start the engine and check the output before heading out.

Prevent Engine Overheating With Proper Maintenance Boating Mag