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#1279842 - 11/11/08 06:42 AM Lawn Mower oil was gray.
ZZman Offline


Registered: 03/17/08
Posts: 4233
Loc: Michigan
I winterized my new Toro self propelled mower which has a 6 hp B & S motor in it. When I changed the oil it came out a gray color. This was the first oil change since I bought it. What would make it gray and not brown or black?
_________________________
2002 Buick Regal GS (3.8 Supercharged) PP, Pure 1 filter
2008 Sebring Hardtop convertible (2.7) M1, Pure 1 filter.

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#1279845 - 11/11/08 06:45 AM Re: Lawn Mower oil was gray. [Re: ZZman]
ChiTDI Offline


Registered: 12/19/03
Posts: 2057
Loc: Chicago IL
Dilution would be my guess. A little fuel and some condensation.

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#1279850 - 11/11/08 06:48 AM Re: Lawn Mower oil was gray. [Re: ZZman]
Hermann Offline


Registered: 08/10/05
Posts: 2369
Loc: Kansas City
How many hours on the oil. I still need to do my first change on my new mower. I figure I have another cut up the junk and leftover leaves yet this fall. I have seen oil come out of mowers in many shades of grey or black. Air cooled engines do nasty stuff to oil. Probably just full of break in metals and assembly lubes. The next batch will most likely look similar. It will all clear up in a few OCI's.
_________________________
2008 Tacoma SR-5 Access Cab I-4 5-speed manual - 5w-20 Valvoline WB - Purolator PL10241 YCOD
1991 BMW R100GS 20w-50 Maxlife & Mahle OX36D filter

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#1279855 - 11/11/08 06:56 AM Re: Lawn Mower oil was gray. [Re: Hermann]
ZZman Offline


Registered: 03/17/08
Posts: 4233
Loc: Michigan
WEll I used it all summer. I am guessing maybe 20-25 hours. I switched to Valvoline Syn Power this change to see how it works next year. I figured if any engine could benefit from Syn oil a aircooled one would.
_________________________
2002 Buick Regal GS (3.8 Supercharged) PP, Pure 1 filter
2008 Sebring Hardtop convertible (2.7) M1, Pure 1 filter.

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#1279878 - 11/11/08 07:35 AM Re: Lawn Mower oil was gray. [Re: ZZman]
-Clayton- Offline


Registered: 10/27/05
Posts: 1261
Loc: KY
That was break in metals, Just think most people never change that stuff out.
_________________________
1985 F250 Ex-Cab 6.9 C6
2002 Dodge Caravan

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#1279918 - 11/11/08 08:36 AM Re: Lawn Mower oil was gray. [Re: -Clayton-]
FZ1 Offline


Registered: 02/07/08
Posts: 4192
Loc: Texas
My Honda manual said to change the oem oil at 5 hours of use.

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#1279944 - 11/11/08 09:29 AM Re: Lawn Mower oil was gray. [Re: FZ1]
Steve S Offline


Registered: 01/20/03
Posts: 18449
Loc: East of IGO
 Originally Posted By: FZ1
My Honda manual said to change the oem oil at 5 hours of use.
\:\!
_________________________
Why do people post I want the best for my car,,, When there isn't anything that is the best on the car to begin with.

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#1279987 - 11/11/08 11:01 AM Re: Lawn Mower oil was gray. [Re: Steve S]
Eddie Offline


Registered: 12/07/03
Posts: 6935
Loc: Florida, Cape Coral
Break in metal and moly
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CX5 Touring 2.5L :-)

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#1279989 - 11/11/08 11:05 AM Re: Lawn Mower oil was gray. [Re: Steve S]
greenaccord02 Offline


Registered: 04/22/07
Posts: 5215
Loc: Houston, Tx, USA
Briggs manuals usually say 5 hours for the first OCI also.
_________________________
  1. '95 Dakota 3.9L - M1 0W-40 - MC FL1A
  2. '97 Accord F22-B1 - M1 5W-30 - Bosch 3312
  3. '99 Camry 1MZ-FE - PP 5W-30 - M1-209

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#1280091 - 11/11/08 12:54 PM Re: Lawn Mower oil was gray. [Re: greenaccord02]
ZZman Offline


Registered: 03/17/08
Posts: 4233
Loc: Michigan
I'm a man...I don't need no stinkin' manuals!

(Or maybe I do......)
_________________________
2002 Buick Regal GS (3.8 Supercharged) PP, Pure 1 filter
2008 Sebring Hardtop convertible (2.7) M1, Pure 1 filter.

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#1280100 - 11/11/08 01:03 PM Re: Lawn Mower oil was gray. [Re: ZZman]
ZZman Offline


Registered: 03/17/08
Posts: 4233
Loc: Michigan
I'm a man......I don't need no stinkin' manual!

(Or maybe I do......)
_________________________
2002 Buick Regal GS (3.8 Supercharged) PP, Pure 1 filter
2008 Sebring Hardtop convertible (2.7) M1, Pure 1 filter.

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#1280133 - 11/11/08 01:35 PM Re: Lawn Mower oil was gray. [Re: ZZman]
FZ1 Offline


Registered: 02/07/08
Posts: 4192
Loc: Texas
Yeah,but if you don't follow the manual, you end up with gray oil.

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#1280295 - 11/11/08 04:25 PM Re: Lawn Mower oil was gray. [Re: FZ1]
Virtuoso Offline


Registered: 02/25/03
Posts: 2642
Loc: Cow town, NE
Normal for a first change. I drained mine at around 4 hours and it was pretty milky-gray too; and we broke ours in hard.

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#1280402 - 11/11/08 06:45 PM Re: Lawn Mower oil was gray. [Re: Virtuoso]
Pete591 Offline


Registered: 07/20/08
Posts: 931
Loc: Michigan
Would be great for us and you if you had a UOA done!

Imagine if in the manual they told you the first oil drain would be grey in color?

Too easy. That's like a label on an oil bottle of it's additives and true contents.


Edited by Pete591 (11/11/08 06:49 PM)

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#1280438 - 11/11/08 07:17 PM Re: Lawn Mower oil was gray. [Re: ZZman]
Steve S Offline


Registered: 01/20/03
Posts: 18449
Loc: East of IGO
 Originally Posted By: ZZman
I'm a man...I don't need no stinkin' manuals!

(Or maybe I do......)
Reading the manual is acceptable if you read it on the throne.
_________________________
Why do people post I want the best for my car,,, When there isn't anything that is the best on the car to begin with.

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