Evinrude E-NATION, for those dedicated to water, power, fishing and fun
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Mate
Posts: 2
Registered: ‎05-09-2019

150 G2 problems

I just purchased a 150 G2.  First test run from the dealer the motor had a water pressure issue and threw the overheating code. This was at idle before the boat was even on plane. Dealer replaced impeller everything seems fine for a month or so... Take the boat out again same issue. If the engine is throttled up about 3/4's of the way getting on plane the water pressure magically jumps to 30 psi and the temp begins dropping. When pulled back to idle the engine then looses all water pressure and the temp gauge climbs until the overheat point and engine throws code. Back to the dealer another replaced impeller. However, this time it did not fix the issue and we are back to square one the with dealer scratching their heads... 

 

More info: This all is happening jack plate all the way down and intake in plenty of water to pick up. 

                 

                 Engine is pushing a 2172 tracker aluminum center console.

                 

                 Boat will not pick up water on its own from cold start must be throttled up and on plane. 

 

                 Looses all water after the boat comes off plane and will overheat if not shut down. 

                 

                 Code comes up at roughly at (at idle) 170 F

                 

                 On plane boat runs about 140 F

 

Any advice or thoughts appreciated!

Admiral
Posts: 8,192
Registered: ‎07-14-2011

Re: 150 G2 problems

 

 

When you first start up and the motor will not pickup water, is the gearcase submerged enough where the water level is at least above where the gearcase meets the exhaust mid-section.?

Is so, then then there is a problem with the pump assembly.  There should be 2-5 psi water pressure at idle.

 

 

 


"There is never just one thing wrong with a boat";
                    -- Travis McGee, main character in a book series by John D. McDonald 


 



***************

The factory recommends that a properly trained technician service your Johnson or Evinrude outboard motor. Should you elect to perform repairs yourself, use caution, common sense, and observe safety procedures in the vicinity of flammable liquids, around moving parts, near high-temperature components, and working with electrical or ignition systems.

The information offered here is only general in nature and should not be construed as complete factory approved procedures, techniques, or specifications. Always use the proper service manual for your motor, up-to-date service literature, the correct tools, and have an understanding of how to proceed with troubleshooting and repair methods. If you are unsure or uncomfortable with a procedure, a situation, or a technique, enlist the services of a factory trained technician.


Captain
Posts: 498
Registered: ‎08-20-2017

Re: 150 G2 problems

Your dealer should send an engine report to Evinrude technical assistance.
Code 40 (port) and code 70 (starboard). Engine temperature above range low speed shows it will set above 212 F below 3500 rpm.
Engine temp above range high speed activates the warning light over 194F above 3500 rpm.
Mate
Posts: 2
Registered: ‎05-09-2019

Re: 150 G2 problems

Yes it is at that level. On another note when the engine at the dealer is put on “the hose” it cools and idles fine. Correct me if I’m wrong but could the pressure from the hose be cooling the engine down enough to prevent an alarm?
Admiral
Posts: 8,192
Registered: ‎07-14-2011

Re: 150 G2 problems

[ Edited ]

The water from a flushing hose enters the motor through the water tell-tale plumbing to

the engine block. It is delivering water directly to the powerhead no matter if the water pump is working or not. That is why the engine is not overheating while flushing.

 

 

 


"There is never just one thing wrong with a boat";
                    -- Travis McGee, main character in a book series by John D. McDonald 


 



***************

The factory recommends that a properly trained technician service your Johnson or Evinrude outboard motor. Should you elect to perform repairs yourself, use caution, common sense, and observe safety procedures in the vicinity of flammable liquids, around moving parts, near high-temperature components, and working with electrical or ignition systems.

The information offered here is only general in nature and should not be construed as complete factory approved procedures, techniques, or specifications. Always use the proper service manual for your motor, up-to-date service literature, the correct tools, and have an understanding of how to proceed with troubleshooting and repair methods. If you are unsure or uncomfortable with a procedure, a situation, or a technique, enlist the services of a factory trained technician.