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Jan 23rd, 2013
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150 yamaha Pro V can i mix oil in my gas tank too?? #12299883
06/18/17 10:55 PM
06/18/17 10:55 PM
Joined: Aug 2013
Posts: 282
LGV, TX
H
hopefullythisworks Offline OP
Angler
hopefullythisworks  Offline OP
Angler
H

Joined: Aug 2013
Posts: 282
LGV, TX
my oil injection system has always worked fine but i am just wanting to make sure that there are no issues i could potentially avoid. its been a great engine and i want to make sure i dont make a costly mistake that could have been avoided.

would it be ok to run oil in my gas without disabling my oil injection system?

seems to me i would just have to change plugs more...

anyone have any other information??

Re: 150 yamaha Pro V can i mix oil in my gas tank too?? [Re: hopefullythisworks] #12300044
06/19/17 12:51 AM
06/19/17 12:51 AM
Joined: Apr 2017
Posts: 1,243
San Angelo
tmd11111 Offline
Extreme Angler
tmd11111  Offline
Extreme Angler

Joined: Apr 2017
Posts: 1,243
San Angelo
If you're talking about adding oil to the gas with the injection system still connected then it will more than likely make the motor build excessive carbon along with the fouled plugs.

Re: 150 yamaha Pro V can i mix oil in my gas tank too?? [Re: hopefullythisworks] #12300274
06/19/17 03:40 AM
06/19/17 03:40 AM
Joined: Aug 2013
Posts: 282
LGV, TX
H
hopefullythisworks Offline OP
Angler
hopefullythisworks  Offline OP
Angler
H

Joined: Aug 2013
Posts: 282
LGV, TX
is there anything to do in order to remove the carbon? seafoam?

Re: 150 yamaha Pro V can i mix oil in my gas tank too?? [Re: hopefullythisworks] #12300372
06/19/17 10:28 AM
06/19/17 10:28 AM
Joined: Nov 2002
Posts: 3,746
Yantis, TX
Gamblinman Online content
TFF Team Angler
Gamblinman  Online Content
TFF Team Angler

Joined: Nov 2002
Posts: 3,746
Yantis, TX
No need to add oil to your gas. Modern day injection systems are very reliable. Disabling your oil injection system and adding oil to fuel is an option, but a poor one. Your injection pump can decrease or increase oil delivery based on RPM's, allowing the motor to operate efficiently.

When was the last time you replaced all the fuel hoses from tank to engine? Todays fuels require updated hoses.

If the motor is fuel injected, when was the last time you had the injectors cleaned and flow tested?

Adding the proper amount of additives such as Yamaha Ring Free or Mercury QwikClean to each tank of fuel will keep the combustion chamber and other components free from carbon build-up.

Re: 150 yamaha Pro V can i mix oil in my gas tank too?? [Re: hopefullythisworks] #12300575
06/19/17 01:41 PM
06/19/17 01:41 PM
Joined: May 2003
Posts: 11,496
Littlefield Tx & Lake A. H. US...
gary purdy Online content
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gary purdy  Online Content
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Joined: May 2003
Posts: 11,496
Littlefield Tx & Lake A. H. US...
Originally Posted By: hopefullythisworks
is there anything to do in order to remove the carbon? seafoam?
Adding Sea Foam is as good as it gets. As far as I know Pro V`s are carbed. If you mix oil in the gas tank while the oil injection is still on, you will really cause a lot of carbon. The Yamaha oil injection is really good on these motors. They need the oil filter changed periodically. Pull the boat mounted main oil tank and you will find the oil filter in-line of the oil supply hose.


The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
Re: 150 yamaha Pro V can i mix oil in my gas tank too?? [Re: hopefullythisworks] #12300993
06/19/17 04:49 PM
06/19/17 04:49 PM
Joined: Aug 2013
Posts: 282
LGV, TX
H
hopefullythisworks Offline OP
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hopefullythisworks  Offline OP
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H

Joined: Aug 2013
Posts: 282
LGV, TX
gary i sure appreciate the info!!

Re: 150 yamaha Pro V can i mix oil in my gas tank too?? [Re: hopefullythisworks] #12301754
06/20/17 12:33 AM
06/20/17 12:33 AM
Joined: Dec 2014
Posts: 1,664
Euless
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Muzzlebrake Offline
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Muzzlebrake  Offline
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Joined: Dec 2014
Posts: 1,664
Euless
Too much carbon and the rings might get sticky. From there it's downhill.
There's an old saying "if it ain't broke don't fix it".
I'm the world's worst about over doing stuff and I have to remember this all the time.


From Genesis: "And God promised men that good and obedient wives would be found in all corners of the earth."

Then He made the earth round...and He laughed and laughed and laughed!

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