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Dec 30th, 2023
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 Is there a difference in 2 cycle oils? what to use?
#15111495
06/25/24 10:31 PM
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Joined: Mar 2009
Posts: 665
KEGracing
OP
Pro Angler
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OP
Pro Angler
Joined: Mar 2009
Posts: 665 |
I have a new to me, 2006 Optimax 150 L. Has about 200 hours on it. Have not had a big 2 stroke in a while. It runs good, and I want to keep it that way.
This still has the external oil tank.
What 2 cycle oil should I use? I have used regular Mercury - Quicksilver, and synthetic in the past, in a smaller 50 hp motor. Also used Lucas, and what the store had at the time... Figured I would ask and see.
Thanks in advance. Sure I will be asking more on this also.
Ken
2006 Mako 191. Momma tired of slime on her boat
2014 Premier Alante 235 RF tritoon. Momma's boat. But I get to fish on her some
A country boy will survive... but those who cross him?
Cedar Creek personal best:
Blue Cat 31.55 lbs
Hybrid 6.2 lbs
Crappie 2.1 lbs
Tennessee River Blue 45.7
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Re: Is there a difference in 2 cycle oils? what to use?
[Re: KEGracing]
#15111875
06/26/24 05:54 AM
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Joined: Mar 2011
Posts: 15,330
Bandit 200 XP
TFF Guru
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TFF Guru
Joined: Mar 2011
Posts: 15,330 |
I've used Johnson and Evinrude oil for 25 yrs , i just use the regular oil in my Yamaha 200 ox66
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Re: Is there a difference in 2 cycle oils? what to use?
[Re: KEGracing]
#15111946
06/26/24 11:53 AM
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Joined: Apr 2004
Posts: 14,596
Stump jumper
TFF Guru
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TFF Guru
Joined: Apr 2004
Posts: 14,596 |
Google Mercury DFI vs Premium oil. You should see a reference to a post in Walleye Central.
2200 Bay Champ/200 Mercury Optimax
2017 Tundra TSS 4x4 Crewmax 5.7L
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Re: Is there a difference in 2 cycle oils? what to use?
[Re: KEGracing]
#15112027
06/26/24 01:24 PM
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Joined: Jan 2005
Posts: 20,671
Pat Goff
TFF Guru
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TFF Guru
Joined: Jan 2005
Posts: 20,671 |
ANYTHING BUT Walmart oil. Seriously, that stuff will wear a motor out in a short time.
Pat Goff Seadrift TX ![[Linked Image]](https://i.ibb.co/X48Kbbq/scooter-shallow.jpg)
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Re: Is there a difference in 2 cycle oils? what to use?
[Re: Pat Goff]
#15112122
06/26/24 02:43 PM
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Joined: Jul 2013
Posts: 611
diggerwolf
Pro Angler
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Pro Angler
Joined: Jul 2013
Posts: 611 |
ANYTHING BUT Walmart oil. Seriously, that stuff will wear a motor out in a short time.
Curious how you know this. Who makes Walmart 2-cycle oil?
"Life should not be a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside in a cloud of smoke, thoroughly used up, totally worn out, and loudly proclaiming "Wow! What a Ride!" ― Hunter S. Thompson
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Re: Is there a difference in 2 cycle oils? what to use?
[Re: KEGracing]
#15112155
06/26/24 03:27 PM
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Joined: Jul 2010
Posts: 1,419
boatman025
Extreme Angler
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Extreme Angler
Joined: Jul 2010
Posts: 1,419 |
We Don't and don't like Pennzoil
Hughes Marine
3855 Osage Lane
Wylie ,Texas
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Re: Is there a difference in 2 cycle oils? what to use?
[Re: KEGracing]
#15112156
06/26/24 03:29 PM
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Joined: Dec 2010
Posts: 5,914
Mckinneycrappiecatcher
TFF Celebrity
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TFF Celebrity
Joined: Dec 2010
Posts: 5,914 |
The Optimax needs to run a DFI specific oil. If it were a regular carb 2 stroke any TCW3 2 stroke oil would be fine (including Walmart), but you want the Mercury or the quicksilver DFI oil, it’s gold in color. I think west marine has a DFI specific oil too, but it’s green (or at least it was last time I bought it)
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Re: Is there a difference in 2 cycle oils? what to use?
[Re: KEGracing]
#15112196
06/26/24 04:23 PM
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Joined: Jan 2005
Posts: 20,671
Pat Goff
TFF Guru
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TFF Guru
Joined: Jan 2005
Posts: 20,671 |
This was a completely non-scientific test I did myself.
From 1984-2002 I had a new boat every year, broke them in myself, two years ran yamaha's, one year (YUK) a Johnrude and the rest were all V6 Mercs. I averaged between 500-600 hours at the end of the year. Always had the motors checked out thoroughly when they were turned in, and always ran factory oil. Every year the motors were tight and flawless, except one.
In 1998 I ran nothing but wally oil in a 3.0 225 Merc. Mid 500's hours, and at the end of the year that motor was worn out. Compression on all six was about 95 lbs, bearings were sloppy, it needed attention. Nothing else changed, I didn't run it any harder than any other motor, about the same hours, the only thing changed was the oil. That was enough for me, I won't run that junk in a weedeater.
And someone is going to come on and argue, that's fine you do you, but it won't change my opinion.
Pat Goff Seadrift TX
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Re: Is there a difference in 2 cycle oils? what to use?
[Re: KEGracing]
#15112330
06/26/24 05:57 PM
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Joined: Jul 2010
Posts: 1,419
boatman025
Extreme Angler
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Extreme Angler
Joined: Jul 2010
Posts: 1,419 |
I would not run Walmart are Pennzoil it causes carbon build up in motors
Hughes Marine
3855 Osage Lane
Wylie ,Texas
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Re: Is there a difference in 2 cycle oils? what to use?
[Re: Pat Goff]
#15112342
06/26/24 06:25 PM
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Joined: Apr 2017
Posts: 14,195
tmd11111
TFF Guru
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TFF Guru
Joined: Apr 2017
Posts: 14,195 |
This was a completely non-scientific test I did myself.
From 1984-2002 I had a new boat every year, broke them in myself, two years ran yamaha's, one year (YUK) a Johnrude and the rest were all V6 Mercs. I averaged between 500-600 hours at the end of the year. Always had the motors checked out thoroughly when they were turned in, and always ran factory oil. Every year the motors were tight and flawless, except one.
In 1998 I ran nothing but wally oil in a 3.0 225 Merc. Mid 500's hours, and at the end of the year that motor was worn out. Compression on all six was about 95 lbs, bearings were sloppy, it needed attention. Nothing else changed, I didn't run it any harder than any other motor, about the same hours, the only thing changed was the oil. That was enough for me, I won't run that junk in a weedeater.
And someone is going to come on and argue, that's fine you do you, but it won't change my opinion.
Those old 3.0L EFI Mercs were probably the best motor Mercury ever made and you ruined it in one season. SMH
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Re: Is there a difference in 2 cycle oils? what to use?
[Re: Pat Goff]
#15112346
06/26/24 06:27 PM
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Joined: Dec 2010
Posts: 5,914
Mckinneycrappiecatcher
TFF Celebrity
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TFF Celebrity
Joined: Dec 2010
Posts: 5,914 |
This was a completely non-scientific test I did myself.
From 1984-2002 I had a new boat every year, broke them in myself, two years ran yamaha's, one year (YUK) a Johnrude and the rest were all V6 Mercs. I averaged between 500-600 hours at the end of the year. Always had the motors checked out thoroughly when they were turned in, and always ran factory oil. Every year the motors were tight and flawless, except one.
In 1998 I ran nothing but wally oil in a 3.0 225 Merc. Mid 500's hours, and at the end of the year that motor was worn out. Compression on all six was about 95 lbs, bearings were sloppy, it needed attention. Nothing else changed, I didn't run it any harder than any other motor, about the same hours, the only thing changed was the oil. That was enough for me, I won't run that junk in a weedeater.
And someone is going to come on and argue, that's fine you do you, but it won't change my opinion.
1998 was 26 years ago……..it may have been junk then but oil technologies across the board have come a long way since then. Supertech are fine products and I’ve run them in a lot of applications. I’d hazard to bet there aren’t that many sources that actually make the plain tcw3 2 stroke oil anyway.
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Re: Is there a difference in 2 cycle oils? what to use?
[Re: KEGracing]
#15112360
06/26/24 06:37 PM
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Joined: Feb 2006
Posts: 3,971
bronco71
TFF Team Angler
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TFF Team Angler
Joined: Feb 2006
Posts: 3,971 |
But OP is asking about an Optimax, they have direct OIL injection and I would not run anything other than DFI oil in it. They use waaay less oil anyway so the extra cost isn't that bad....
1987 Nitro MX185/Mercury Black Max 150 (needs lots of work, put motor on nephew's boat)
1994 XSC-2200 "Jaguar" AKA Shadow 22 Magnum (restoring w/Mercury 200 XRI)
1994 Pantera II (restoring w/Mercury 200 EFI)
1999 Triton TX21/225 Mercury Optimax
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Re: Is there a difference in 2 cycle oils? what to use?
[Re: bronco71]
#15112376
06/26/24 06:49 PM
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Joined: Dec 2010
Posts: 5,914
Mckinneycrappiecatcher
TFF Celebrity
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TFF Celebrity
Joined: Dec 2010
Posts: 5,914 |
But OP is asking about an Optimax, they have direct OIL injection and I would not run anything other than DFI oil in it. They use waaay less oil anyway so the extra cost isn't that bad.... Yes there is a difference. A carbed 2 stroke can run any tcw3 oil, brand is irrelevant. The opti wants the DFI quicksilver/mercury oil which is that gold color.
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Re: Is there a difference in 2 cycle oils? what to use?
[Re: KEGracing]
#15112400
06/26/24 07:10 PM
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Joined: Sep 2003
Posts: 5,807
Bruce's
TFF Celebrity
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TFF Celebrity
Joined: Sep 2003
Posts: 5,807 |
I just bought a 2016 250 opti max, has 800 hours on it owner ran nothing but mercury dfi oil, compression across the board was 119,
I run a 2015 250 opti with 983 hoursco mpression is 121 across the board, only run mercury dfi oil,
Bruce's Sprinkler Repair
817-798-7246
52 years experience
State Licensed Irrigation
LI0017483
Fishing Texas lakes one at a time
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Re: Is there a difference in 2 cycle oils? what to use?
[Re: tmd11111]
#15112456
06/26/24 08:26 PM
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Joined: Jan 2005
Posts: 20,671
Pat Goff
TFF Guru
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TFF Guru
Joined: Jan 2005
Posts: 20,671 |
This was a completely non-scientific test I did myself.
From 1984-2002 I had a new boat every year, broke them in myself, two years ran yamaha's, one year (YUK) a Johnrude and the rest were all V6 Mercs. I averaged between 500-600 hours at the end of the year. Always had the motors checked out thoroughly when they were turned in, and always ran factory oil. Every year the motors were tight and flawless, except one.
In 1998 I ran nothing but wally oil in a 3.0 225 Merc. Mid 500's hours, and at the end of the year that motor was worn out. Compression on all six was about 95 lbs, bearings were sloppy, it needed attention. Nothing else changed, I didn't run it any harder than any other motor, about the same hours, the only thing changed was the oil. That was enough for me, I won't run that junk in a weedeater.
And someone is going to come on and argue, that's fine you do you, but it won't change my opinion.
Those old 3.0L EFI Mercs were probably the best motor Mercury ever made and you ruined it in one season. SMH Yes I did. Not proud of it, and dang sure wouldn't have done it if I had a slightest clue it would have kneecapped that motor. You can run whatever you like, it's a free market, but don't say nobody said that stuff wasn't junk. Not the kind of thing you take a risk with.
Pat Goff Seadrift TX
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