Merc 150 4-stroke break-in question

[fishinfreak]

I did my initial two hours at varied RPMs under 4500 and Full Throttle for 1 minute every 10 minutes. The next step is to not run it for more than 5 minutes at Full Throttle. Is it okay to troll for long periods of time with this motor now

 

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[Fishy]

I bought a new one this year and had no problems trolling with it just in gear. Has been fish slimed too. Have about 30 hours on it now. 

[Sk8man]

I'd finish the full break-in process before trolling for any length of time. The computer on it will track/record everything so the break-in data could become important (e.g. warranty  etc.)

Edited August 26, 2018 by Sk8man

[Toddp32]

I have a 2016 115 Merc, did break in like you said and then started fishing. I have had no problems. I always try try to give it a good warm up and clear it out when I'm done. Probably just habit from 2 stroke days.

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[Captain Carl Bish]

I would run it a bit more, but the smart thing to do is call Mercury in the morning and ask them.  I have 485 hours on my 2 year old 150 four strokes.  I will tell you they are ok until about 400 hours then issues begin.  The prop chatter really bugs me at idle, it does get better if you upgrade the hubs. 

 

 

[fishinfreak]

I would run it a bit more, but the smart thing to do is call Mercury in the morning and ask them.  I have 485 hours on my 2 year old 150 four strokes.  I will tell you they are ok until about 400 hours then issues begin.  The prop chatter really bugs me at idle, it does get better if you upgrade the hubs. 
 
 

What kind of issues are you having. Is it anything with Motor Performance or breakdowns. Starting to worry me

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[Captain Carl Bish]

Computer - idle control, overheating, trim motor corrosion haven't had a chance to get it back to dealer

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