maintenance on 150 XR6 ???

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youravich

Recruit
Joined
Feb 26, 2005
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2
I have a 2000 Mercury 150 XR6. I was wondering what general maintenance is required and how often. I currently winterize the motor by changing the lower unit oil, treat the fuel with Stabil and then run treated fuel through motor, and spray storage seal into carbs and each cylinder. Then in the spring, I change the lower unit oil again, take the prop off and check for debri around the shaft, and replace the water pump every other year. <br />What other maintenance is necessary to keep the motor running at its best? I have heard everything from nothing if its running fine to rebuilding the carbs every four years. I would like to hear everyone elses opinion on this.<br />Thanks
 
LubeDude

LubeDude

Admiral
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Oct 8, 2003
Messages
6,945
Re: maintenance on 150 XR6 ???

Welcome aboard:<br /><br />Sounds like you are doing all the right things. I dont change the lower unit oil before using it in the spring, why, it just sat there all winter? Only other thing I can suggest is a new fuel pump along with the water pump and feel your fuel, water, oil and vacume lines and replace as necesary when hard and brittle. Spark plugs every couple years just because.
 
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rodbolt

Supreme Mariner
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Sep 1, 2003
Messages
20,066
Re: maintenance on 150 XR6 ???

fuel pump, oil line check is a must dont wait till they get hard and brittle or break, t-stats and pressure control valve diaphram when doing the water pump. keep the carbs clean and there is usually no need to rebuild them.
 
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rabidfish

Senior Chief Petty Officer
Joined
Oct 3, 2000
Messages
788
Re: maintenance on 150 XR6 ???

The only things I would add is to put stabil in the fuel when you buy the last tank of the year. Don't wait until winterization for that. Also, grease your steering and tilt tube "zerks" when you winterize. If you can pull the steering cable ram withiut removing the engine, you might do that an clean/grease that also.<br /><br />If you have ever hit anything at all, I would also check the propshaft to be sure it's not running out. Maximim spec for that is .008 (hard to see with naked eyes)
 
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rabidfish

Senior Chief Petty Officer
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Oct 3, 2000
Messages
788
Re: maintenance on 150 XR6 ???

Do you run in saltwater? or not?
 
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youravich

Recruit
Joined
Feb 26, 2005
Messages
2
Re: maintenance on 150 XR6 ???

Thanks for all your info. I'll certainly use everyone's advise. <br />To answer the question, I do not run in salt water.<br />Also, I'm not familiar with the t-stats and pressure control valve diaphram. Where are they located and what do they do? <br />Thanks again.
 
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