Where is the thermostat on a Johnson outboard motor?
Unbolt the thermostat housing located at the top of the cylinder head or exhaust plate (Note: for older V4 Evinrude/Johnson outboards this will be located at the bottom of the exhaust plate between the cylinder heads) 2. Remove the thermostat and place in a clear jar. 3.
How do you test an outboard thermostat?
Step 2: Put the thermostat in a bowl and immerse it in boiling water. As the thermostat heats up, it should open. When you remove it from the boiling water, allow it to cool and it should close again. If the thermostat remains open or closed, it has failed and must be replaced.
Where is the thermostat on a 2 stroke outboard?
On the Mercury 40-60HP 2-stroke outboards the thermostat is this thing in the top right of the port side of the outboard.
Is it OK to run outboard without thermostat?
Can I Run My Outboard Without The Thermostat? Yes, you can temporarily run your outboard without the thermostat and not harm the engine. No, you can not remove the thermostat and continue running the engine for long periods of time without causing harm to the engine.
Where can I buy Johnson outboard thermostats?
Wholesale Marine carries dependable Johnson outboard thermostats, as well as all the replacement parts you need to keep your vessel running at the optimal performance: diaphragm gaskets, rubber valves, grommets, vernatherms, and all-inclusive kits can all be located online using our parts finder tool.
How does the thermostat work on an outboard motor?
As the temperature rises, the thermostat opens and allows coolant to flow through the outboard, thus decreasing its operating temperature. By constantly opening and closing, the thermostat keeps the motor at its ideal operating temperature.
Which is the correct thermostat Assembly for Johnson / Evinrude?
Guaranteed fitment for 93 different models This is an OEM part manufactured by Johnson/Evinrude, OMC Flat rate shipping starting at $4.95 I am looking for at thermostat for my 250hp Etec DE250PZABF. This is a 2016 model. Is this the correct thermostat for that model engine.
What should the temperature be on a Johnson outboard?
Temperature Rating: 140 degrees Interchangeable with: GLM 13170 Johnson/Evinrude Outboard 394409 434137 Sierra 18-3669 Thermostat Kit for Johnson and Evinrude Outboards Sierra replacement engine parts are designed to meet OEM Specifications.