Oil dirties too quick... - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 12 (permalink) Old 05-04-2012, 03:16 PM Thread Starter
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Oil dirties too quick...

Ive noticed that my engine oil gets dirty after only 15-30 miles of riding after a change. Could a slipping clutch be adding to that ?
Now, just a note, I dont always change the filter 1)due to finances, 2) due to frequent changes. Is it possible that the filter is so dirty that no oil passes and then the clutch contributes to the black ? Whenever I opened up parts of the engine, all looked pretty clean, and no sludge. Oil pressure is good, and no tapping from the engine. Am I missing something ?



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post #2 of 12 (permalink) Old 05-04-2012, 03:22 PM
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By not changing filter you are right off the bat dirtying up your clean oil! I think clean oil will look darker pretty quick.

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post #3 of 12 (permalink) Old 05-04-2012, 03:33 PM
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Where do you get your oil filter from? I get mine at advance auto parts for under $8. Fram PH6017A
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post #4 of 12 (permalink) Old 05-04-2012, 03:33 PM
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Quote:
Originally Posted by Wolfie View Post
Ive noticed that my engine oil gets dirty after only 15-30 miles of riding after a change. Could a slipping clutch be adding to that ?
Now, just a note, I dont always change the filter 1)due to finances, 2) due to frequent changes. Is it possible that the filter is so dirty that no oil passes and then the clutch contributes to the black ? Whenever I opened up parts of the engine, all looked pretty clean, and no sludge. Oil pressure is good, and no tapping from the engine. Am I missing something ?
How many miles on that filter?

I mean, it's a very bad practice to begin with. A dirty filter provides no filtration, and thus no safety for your engine. It's worth the $5 filter, every time.

1986 Kawasaki Vulcan 750
NGK Iridium Plugs #7803/DPR7EIX-9
Duralast Gold ETX15 AGM Battery
Coastered & Shaved
TOC MCCTs
Metzeler ME880 [110/90-19, 170/80-15]
Balance Dampers Replaced
Tuxedo Mod
Rebuilt Forks w/ Progressive Springs
V&H Cruzers
VN750.com Grill Cover
Meanstreak Seat
Emgo 23-92411 Handlebars
MOSFET FH012AA R/R


1990 Kawasaki Vulcan 750

1998 Honda VFR800 FI

2014 Honda VFR800F

1989 Pontiac Firebird Formula 350
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post #5 of 12 (permalink) Old 05-04-2012, 05:12 PM
If only it had 6th gear..
 
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Yeah man its the old filter causing that. I don't know how frequently ur changing the oil but if u can't afford the filter id rather u just go a little longer b4 changing it. The new oils now should allow running longer between changes, but the profit margin has to be upheld ya know. My old chevys and other $#!1boxes I'd go 8 to 10k and this was the recommended sched. I know, newer engines with closer tolerances etc etc. But c'mon some of it is bs..... hmmm, don't know how this turned into a rant but eh, run it a bit longer till u can afford the filter otherwise I think you're wasting money.

Dave

Mods:
Jetted, shaved & coastered
Home made under-tank single filter
Converted ACCT's to manual (thanks wib714)
Dual vac lines on petcock (my cure for ticking)
LED tail/plate lights
Relocated helmet lock to license plate

Added stuff:
Customized hard bags w/ lights
Chrome levers
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Hmm....she was on the back when we left.... ??
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post #6 of 12 (permalink) Old 05-04-2012, 10:53 PM
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I change my filter and oil at the same time and I noticed the same thing. Goes black really quick!


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post #7 of 12 (permalink) Old 05-04-2012, 11:15 PM
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It's completly normal to change color quick, that is why color never matters! When oil oxidizes, it turns dark/black. In your crank case there are only 2 things, oil and air, and they mix rapidly! When they mix they also produce a gas/vapor, thus the use for emissons to burn the gas to less the harm to the enviroment.
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post #8 of 12 (permalink) Old 05-05-2012, 07:14 PM Thread Starter
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Quote:
How many miles on that filter?
Only about 800, but I wanted to change at least the oil a few times at shorter intervals because I recently had some gas in the oil (stuck float), and couldnt afford a filter for each 200mi change (I live off of $30/week). I normally change the filter with oil at normal intervals, but like I said, I thought that mebbe the gas was causing the quick blackness, or my slipping clutch was. When I first got the bike, and did a change, wasnt until about 50-60 miles that it began to get dicolored. These ARE however "detergent" oils. I suppose "dirty" just means its doing its job. Id just hoped on saving a few bucks on filters (was flushing it with diesel).
Anyone here old enough to have ever used a non-detergent ? (ie straight 30, 40, etc). I used it in mowers and such until it became hard to find (was 1/2 the price !).
Gonna try to borrow $20 on Monday and do a full change, in case Im able to make Americade. Gotta do the splines and rear too (my rear fluid is disgusting). Brakes and clutch gonna need to wait.



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post #9 of 12 (permalink) Old 05-05-2012, 11:11 PM
If only it had 6th gear..
 
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true, detergent oil will darken quickly

Dave

Mods:
Jetted, shaved & coastered
Home made under-tank single filter
Converted ACCT's to manual (thanks wib714)
Dual vac lines on petcock (my cure for ticking)
LED tail/plate lights
Relocated helmet lock to license plate

Added stuff:
Customized hard bags w/ lights
Chrome levers
Hellcat windscreen
LED running lights
Home made 'Vita-Volt' meter
Foot rests on engine guard
Tunes

Hmm....she was on the back when we left.... ??
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post #10 of 12 (permalink) Old 05-06-2012, 01:53 PM
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Quote:
Originally Posted by Wolfie View Post
Only about 800, but I wanted to change at least the oil a few times at shorter intervals because I recently had some gas in the oil (stuck float), and couldnt afford a filter for each 200mi change (I live off of $30/week). I normally change the filter with oil at normal intervals, but like I said, I thought that mebbe the gas was causing the quick blackness, or my slipping clutch was. When I first got the bike, and did a change, wasnt until about 50-60 miles that it began to get dicolored. These ARE however "detergent" oils. I suppose "dirty" just means its doing its job. Id just hoped on saving a few bucks on filters (was flushing it with diesel).
Anyone here old enough to have ever used a non-detergent ? (ie straight 30, 40, etc). I used it in mowers and such until it became hard to find (was 1/2 the price !).
Gonna try to borrow $20 on Monday and do a full change, in case Im able to make Americade. Gotta do the splines and rear too (my rear fluid is disgusting). Brakes and clutch gonna need to wait.
I ended up getting 33 oil filters in a lot for under $2 each. They're the 85-9x style (bigger). I'd be happy to send you a few on the house.

1986 Kawasaki Vulcan 750
NGK Iridium Plugs #7803/DPR7EIX-9
Duralast Gold ETX15 AGM Battery
Coastered & Shaved
TOC MCCTs
Metzeler ME880 [110/90-19, 170/80-15]
Balance Dampers Replaced
Tuxedo Mod
Rebuilt Forks w/ Progressive Springs
V&H Cruzers
VN750.com Grill Cover
Meanstreak Seat
Emgo 23-92411 Handlebars
MOSFET FH012AA R/R


1990 Kawasaki Vulcan 750

1998 Honda VFR800 FI

2014 Honda VFR800F

1989 Pontiac Firebird Formula 350
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