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Dec 30th, 2023
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 Oil injection vs Premix
#13947679
04/05/21 05:03 AM
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Joined: Nov 2001
Posts: 2,718
ccabal
OP
Extreme Angler
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OP
Extreme Angler
Joined: Nov 2001
Posts: 2,718 |
Hi guys, recently bought a boat with a 2005 Mercury 90hp outboard. On my previous boat, a mechanic suggested I remove the oil injection system and pre-mix instead because the oil injection system can fail. So I am wondering if I should do this again... I'd rather not have to...
Do a lot of people do this? Is there a way to test your system periodically to prevent a catastrophic failure?
John 5:24 Very truly I say to you,whoever hears my word and believes him who sent me has eternal life,and does not come into judgment, but has passed from death to life.
1Peter 3:18 For Christ also suffered once for sins, the righteous for the unrighteous, that he might bring us to God, being put to death in the flesh but made alive in the spirit.
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Re: Oil injection vs Premix
[Re: ccabal]
#13947742
04/05/21 11:56 AM
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Joined: Apr 2017
Posts: 14,736
tmd11111
TFF Guru
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TFF Guru
Joined: Apr 2017
Posts: 14,736 |
Yup, like anything mechanical the oil injection can fail but the chances of accidently putting in fuel without premixing are much greater. Leave it be and find a new mechanic.
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Re: Oil injection vs Premix
[Re: ccabal]
#13948750
04/06/21 02:15 AM
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Joined: Jun 2003
Posts: 406
AGSWON
Angler
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Angler
Joined: Jun 2003
Posts: 406 |
Iām still running a 28 year old boat with the VRO pump still in it. I just change them out every 300 hours whether it needs it or not.
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Re: Oil injection vs Premix
[Re: ccabal]
#13948794
04/06/21 02:34 AM
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Joined: Sep 2009
Posts: 3,644
Droyhef
TFF Team Angler
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TFF Team Angler
Joined: Sep 2009
Posts: 3,644 |
Yeah just leave it alone. The main culprits for that were some years of the omc vro fuel pumps and a few yamaha units used to have plastic gear that would swell and sieze. One time forgetting to mix and your done.
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Re: Oil injection vs Premix
[Re: ccabal]
#13949032
04/06/21 12:46 PM
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Joined: Mar 2003
Posts: 11,510
Fishin' Nut
TFF Guru
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TFF Guru
Joined: Mar 2003
Posts: 11,510 |
When I sold my 96 Wellcraft with its 96 Johnson 130, I was so tired of oil pump problems, I just went to premix. The 2004 Lund I bought had a 2016 Yamaha 4 stroke 150 pushing it. No more oilers for me.
Waiting on Bob Davis' next selfie
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Re: Oil injection vs Premix
[Re: ccabal]
#13949256
04/06/21 02:40 PM
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Joined: Aug 2002
Posts: 2,063
DLALLDER
Extreme Angler
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Extreme Angler
Joined: Aug 2002
Posts: 2,063 |
Hi guys, recently bought a boat with a 2005 Mercury 90hp outboard. On my previous boat, a mechanic suggested I remove the oil injection system and pre-mix instead because the oil injection system can fail. So I am wondering if I should do this again... I'd rather not have to...
Do a lot of people do this? Is there a way to test your system periodically to prevent a catastrophic failure? Did your mechanic tell you that most if not all oil injection systems have a safe guard? Your motor will not let you get above about 2000 rpm and will get you back to shore normally with no damage. Been there done that!!!
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Re: Oil injection vs Premix
[Re: ccabal]
#13949553
04/06/21 05:39 PM
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Joined: Nov 2006
Posts: 2,947
TLW
Extreme Angler
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Extreme Angler
Joined: Nov 2006
Posts: 2,947 |
someone thats has flawless operation of something might tell one person but someone that has a failure will tell twenty.................................. jmo.
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