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Author Topic: Oil analysis  (Read 23621 times)

Offline okxd45

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Re: Oil analysis
« Reply #60 on: October 11, 2011, 07:54:44 PM »
Quote from: okxd45 on September 23, 2011, 08:05:01 PM
I for one noticed the same issue on my previous oil change.  Drained half a quart to get the level back down.  Gonna check my level tomorrow since i just got the bike back from the movers late today, and it's been about 2000 miles since my last oil change.

Well......I'm replying to myself.  Finally had a chance to check the oil since the move and again the sigh glass shows completely full.  That's got to be a good half quart of fuel in the oil.(?)  I'm thinking I'm taking it to the dealer while I have a warranty.  Hated to bring up an old thread, but did anyone ever get some analysis results?
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Offline gPink

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Re: Oil analysis
« Reply #61 on: October 12, 2011, 03:56:49 AM »
Oil change is due soon. I've got the bottle from the lab waiting. I don't know if anyone on the cog forum has done this yet. I haven't checked back in a while.
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Offline lather

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Re: Oil analysis
« Reply #62 on: October 12, 2011, 07:11:47 AM »
Quote from: okxd45 on October 11, 2011, 07:54:44 PM
Well......I'm replying to myself.  Finally had a chance to check the oil since the move and again the sigh glass shows completely full.  That's got to be a good half quart of fuel in the oil.(?)  I'm thinking I'm taking it to the dealer while I have a warranty.  Hated to bring up an old thread, but did anyone ever get some analysis results?
Try this. On a clean piece of white paper put a drop of oil out your engine and a drop of clean oil and a drop of fuel. If there is fuel in your oil it will make a lighter ring around the dark oil spot. The drops of clean oil and fuel will help you compare.

Stolen from a truck forum
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Offline Pokey

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Re: Oil analysis
« Reply #63 on: October 12, 2011, 07:52:43 AM »
Quote from: okxd45 on October 11, 2011, 07:54:44 PM
Well......I'm replying to myself.  Finally had a chance to check the oil since the move and again the sigh glass shows completely full.  That's got to be a good half quart of fuel in the oil.(?)  I'm thinking I'm taking it to the dealer while I have a warranty.  Hated to bring up an old thread, but did anyone ever get some analysis results?

"Highly unlikely" that fuel is in your oil.
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Offline okxd45

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Re: Oil analysis
« Reply #64 on: October 12, 2011, 02:02:34 PM »
Quote from: lather on October 12, 2011, 07:11:47 AM
Try this. On a clean piece of white paper put a drop of oil out your engine and a drop of clean oil and a drop of fuel. If there is fuel in your oil it will make a lighter ring around the dark oil spot. The drops of clean oil and fuel will help you compare.

Stolen from a truck forum

I'll give that a try tomorrow. Thanks!
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"Look like the innocent flower, but be the serpent under 't." Macbeth Quote (Act I, Scene V).
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Offline okxd45

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Re: Oil analysis
« Reply #65 on: October 12, 2011, 02:08:13 PM »
Quote from: Pokey on October 12, 2011, 07:52:43 AM
"Highly unlikely" that fuel is in your oil.

Well.......it's definitely not coolant; so it would have to be fuel. There has to be something to explain the increase in volume.(?)
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Offline stevewfl

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Re: Oil analysis
« Reply #66 on: October 12, 2011, 03:18:48 PM »
An oil thread with *drama*  !
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Offline Pokey

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Re: Oil analysis
« Reply #67 on: October 12, 2011, 07:46:00 PM »
Quote from: okxd45 on October 12, 2011, 02:08:13 PM
Well.......it's definitely not coolant; so it would have to be fuel. There has to be something to explain the increase in volume.(?)

The fuel should be laying on top of the oil then..........should be obvious it is fuel?
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Offline Gearhead82

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Re: Oil analysis
« Reply #68 on: October 12, 2011, 08:39:24 PM »
Quote from: Pokey on October 12, 2011, 07:46:00 PM
The fuel should be laying on top of the oil then..........should be obvious it is fuel?

I would think they would mix together just fine.  Think 2-stroke engines which run a gas/oil mix.
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Offline Pokey

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Re: Oil analysis
« Reply #69 on: October 12, 2011, 08:49:09 PM »
Quote from: Gearhead82 on October 12, 2011, 08:39:24 PM
I would think they would mix together just fine.  Think 2-stroke engines which run a gas/oil mix.

I have seen gas leak down into engine from carb, I reckon that is what I was refering to. It was pretty obvious cause the gas was sitting right on top of the oil, could always drain a bit and see how quickly the oil catches on fire? ;)
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Offline stevewfl

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Re: Oil analysis
« Reply #70 on: October 12, 2011, 08:52:01 PM »
Fascinating thread indeed. I'm interested in how the oil in the pan got "more".
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Offline VirginiaJim

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Re: Oil analysis
« Reply #71 on: October 13, 2011, 04:13:03 AM »
Quote from: Pokey on October 12, 2011, 08:49:09 PM
I have seen gas leak down into engine from carb, I reckon that is what I was refering to. It was pretty obvious cause the gas was sitting right on top of the oil, could always drain a bit and see how quickly the oil catches on fire? ;)

And it can leak from a fuel injector....  We've had at least one member with that situation.
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Offline Rawman

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Re: Oil analysis
« Reply #72 on: October 17, 2011, 03:05:52 PM »
Condensation?  Does the oil get "frothy" after riding?  Check the site glass just after a brisk ride.  If condensation, it will show a frothy, almost milky appearance.  I am also doubting that much fuel in your oil.  It would have to be a major engine problem and it would show itself in other places, like black exhaust if fuel, or white/blue exhaust if coolant. 
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Offline okxd45

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Re: Oil analysis
« Reply #73 on: October 17, 2011, 08:21:08 PM »
Quote from: Rawman on October 17, 2011, 03:05:52 PM
Condensation?  Does the oil get "frothy" after riding?  Check the site glass just after a brisk ride.  If condensation, it will show a frothy, almost milky appearance.  I am also doubting that much fuel in your oil.  It would have to be a major engine problem and it would show itself in other places, like black exhaust if fuel, or white/blue exhaust if coolant.

Nothing frothy here.  I drained about 1/4 quart (yes I know.........8 oz). The oil is already pretty dark, seems to have lost viscosity, and smells like fuel.  This after only 1800 miles.  I dropped it off at a dealership today, but I'm worried some what. When I handed him the fob he said, "oh........one of those." This dealership was in a very small town with a lot of dirt bikes. Hoping to be surprised.
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Offline B.D.F.

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Re: Oil analysis
« Reply #74 on: October 17, 2011, 08:36:35 PM »
You have not by chance used any type of fuel system or fuel injector cleaner recently, have you? If so, that stuff will thin oil and turn it black in a very short time. Just a thought.

Brian

Quote from: okxd45 on October 17, 2011, 08:21:08 PM
Nothing frothy here.  I drained about 1/4 quart (yes I know.........8 oz). The oil is already pretty dark, seems to have lost viscosity, and smells like fuel.  This after only 1800 miles.  I dropped it off at a dealership today, but I'm worried some what. When I handed him the fob he said, "oh........one of those." This dealership was in a very small town with a lot of dirt bikes. Hoping to be surprised.
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Offline okxd45

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Re: Oil analysis
« Reply #75 on: October 18, 2011, 05:30:21 AM »
I have used seafoam a few times since I've had the bike, but not since my last oil change. Would 8oz of fuel in the oil after 1800 miles constitute a problem?
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"Look like the innocent flower, but be the serpent under 't." Macbeth Quote (Act I, Scene V).
"I am sending you out like sheep among wolves. Therefore be as shrewd as snakes and as innocent as doves." (Matthew 10:16 NIV)

Offline VirginiaJim

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Re: Oil analysis
« Reply #76 on: October 18, 2011, 06:01:36 AM »
Seems to me it would...
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Offline B.D.F.

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Re: Oil analysis
« Reply #77 on: October 18, 2011, 06:24:03 AM »
Yes. I believe 2% would be considered too much, and in a C-14 that would only be about 3 fl. oz. of gasoline in the crankcase oil. The mileage does not really matter because the gasoline should be driven out of the oil fast enough so you only have very recent gasoline still in the crankcase oil, assuming the engine is coming up to full operating temperature every time it is started.

Just a thought but be careful how and when you measure the oil level. The oil level in the sight glass of my C-14 climbs quite a bit overnight so if you check the oil level in the morning it may be higher than it was before only because the engine has had time to fully drain.

Brian


Quote from: okxd45 on October 18, 2011, 05:30:21 AM
I have used seafoam a few times since I've had the bike, but not since my last oil change. Would 8oz of fuel in the oil after 1800 miles constitute a problem?
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Offline Khrome

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Re: Oil analysis
« Reply #78 on: October 18, 2011, 08:11:00 AM »
Quote from: B.D.F. on October 17, 2011, 08:36:35 PM
You have not by chance used any type of fuel system or fuel injector cleaner recently, have you? If so, that stuff will thin oil and turn it black in a very short time. Just a thought.

Brian

Never used any in a bike but good to know.
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Offline stevewfl

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Re: Oil analysis
« Reply #79 on: October 18, 2011, 09:23:45 AM »
Wow this thread is off topic  :D
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