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Yamaha sho #13410312 01/20/20 02:37 PM
Joined: Dec 2010
Posts: 501
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New_Guy Offline OP
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Joined: Dec 2010
Posts: 501
Hey guys I’m picking up a boat this week with a 150 Yamaha sho. I just want to make sure I do the break in right. I read online where it’s 10 hours and what to do for all of them. But I also read where some people struggled to get theirs to stop “making oil”. So I’m just looking for any insight on how to do it correctly, and anything I need to look for. I definitely do not want to break the motor in wrong. Also, is there anything to look for or do post break in. Change the oil any of that stuff? I was also curious to what octane gas y’all run in your boats? It’s a little out of the way for me but I do have access to non ethanol. Thanks guys.


2009 Charger 496 with Merc 225.
Moritz Chevrolet - 9101 Camp Bowie W Blvd, Fort Worth, TX - Monte Coon (817) 696-2003
Re: Yamaha sho [Re: New_Guy] #13410372 01/20/20 03:27 PM
Joined: Dec 2005
Posts: 465
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Polly Gosh Lizard Offline
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I have a 2016 175 SHO and love it. I use non ethanol all the time. I know you will enjoy your motor.


Never test the depth of the water with both feet.

Bobby


Re: Yamaha sho [Re: New_Guy] #13410379 01/20/20 03:33 PM
Joined: Mar 2010
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T Bird Offline
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If you break it in correctly, rings should seat properly and no fuel will get in your oil.


Okie by birth, Texan by choice.
[Linked Image]
USAF "Thunderbirds" Alumni 1985-1989




Re: Yamaha sho [Re: New_Guy] #13410514 01/20/20 05:06 PM
Joined: Mar 2016
Posts: 144
FewJr Offline
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Call fun and sun boats and tackle. If I remember rights it’s motor all the way down. Run 30mph for 30min then 50 mph for 30 min the all out for 30 min. It may be rpms and not mph can’t remember so call fun and sun

Re: Yamaha sho [Re: New_Guy] #13410570 01/20/20 06:02 PM
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Dubee Online Content
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Just read the manual

Re: Yamaha sho [Re: New_Guy] #13410595 01/20/20 06:33 PM
Joined: Jan 2004
Posts: 72,293
Mark Perry Online Content
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Ask your dealer, read the owners nanual and follow the instructions. Both will.lead you to the right method.

Re: Yamaha sho [Re: Mark Perry] #13410745 01/20/20 09:34 PM
Joined: Nov 2008
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361V Offline
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Originally Posted by Mark Perry
Ask your dealer, read the owners nanual and follow the instructions. Both will.lead you to the right method.
Way better advise than opening it up to conjecture on a fishing forum! laugh

Re: Yamaha sho [Re: Dubee] #13410770 01/20/20 10:01 PM
Joined: Apr 2017
Posts: 11,971
tmd11111 Online Content
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Joined: Apr 2017
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Originally Posted by Dubee
Just read the manual


Dumbest advice ever. Everyone knows the guru's on here know way more then the engineers that designed the motor. breakdance

Re: Yamaha sho [Re: New_Guy] #13410841 01/20/20 11:20 PM
Joined: Oct 2015
Posts: 972
Greg W Offline
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Joined: Oct 2015
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I will say it's the quietest damn engine. I have a 150 on my CC and just love this engine. Just wish Skeeter would allow a 200 on their 20ft bay instead of a 150. Still a dynamite engine and easy on the gas.

Re: Yamaha sho [Re: New_Guy] #13411403 01/21/20 03:44 PM
Joined: Feb 2017
Posts: 277
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LakeTylerMan Offline
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Originally Posted by New_Guy
Hey guys I’m picking up a boat this week with a 150 Yamaha sho. I just want to make sure I do the break in right. I read online where it’s 10 hours and what to do for all of them. But I also read where some people struggled to get theirs to stop “making oil”. So I’m just looking for any insight on how to do it correctly, and anything I need to look for. I definitely do not want to break the motor in wrong. Also, is there anything to look for or do post break in. Change the oil any of that stuff? I was also curious to what octane gas y’all run in your boats? It’s a little out of the way for me but I do have access to non ethanol. Thanks guys.

Yeah, you change the oil after in my case at 20 hours. You'll be surprised at the amount of metal you'll see in the lower unit oil after the break in. It's normal but I guess those gears have to burnish properly.

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