How much oil? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 4 (permalink) Old 07-02-2016, 08:30 AM Thread Starter
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How much oil?

Greetings fellow Vulcaneers.
Maybe someone can shed some light on this for me.
I changed my oil yesterday, and filled the new oil filter with fresh oil before installing it. Strange thing is, when I added fresh oil, the sight glass showed that it was full after only three quarts. Maybe not full, but the level was halfway between L and H. I thought these bikes took four quarts. Does anyone else's bike look full after three quarts? Should I ignore the sight glass and add a full four quarts?
Thanks again for your time and knowledge.
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post #2 of 4 (permalink) Old 07-02-2016, 08:54 AM
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1st, make sure your filling/checking level on the sight glass with the bike on the center stand..

they hold a total of just under 4 qts, including filter. fill to the H line on the glass. Start, let oil pressure build, the shut down, let sit a few minutes to let oil drain back down to the block, recheck/add as needed.

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post #3 of 4 (permalink) Old 07-02-2016, 10:22 AM
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The case beside the oil fill is marked 4 liters, a gallon is just over 4 liters, 1 gal. = 3.78541 liters. Four quarts will make a dry engine over full.

If you didn't pull the side cap where the oil screen is, old oil was left in the case. I always pull both drain plugs to get all the oil out, and check the screen for debris.

As mtb said, the engine needs started, this pulls the oil out of the area where the oil fill and sight glass are located. Then wait for it to drain down, and check oil level.

One thing to be aware of... On a cold first start, air gets whipped into the oil which can make the oil level read high, this also gives the oil a milky appearance. Sometimes you need to warm the engine all the way to get the air out for an accurate read on oil level.

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post #4 of 4 (permalink) Old 07-02-2016, 10:57 AM
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Quote:
Originally Posted by Eddie Stover View Post
Greetings fellow Vulcaneers.
Maybe someone can shed some light on this for me.
I changed my oil yesterday, and filled the new oil filter with fresh oil before installing it. Strange thing is, when I added fresh oil, the sight glass showed that it was full after only three quarts. Maybe not full, but the level was halfway between L and H. I thought these bikes took four quarts. Does anyone else's bike look full after three quarts? Should I ignore the sight glass and add a full four quarts?
Thanks again for your time and knowledge.
Your observations are normal for this bike.

I use a Bosch 3233 filter which is bigger than the Kawasaki OEM filter and a gallon jug of Rotella T6. I prefill the oil filter to avoid the dreaded 'air bubble' and fill the site glass to the 'H' level. Then I warm the bike up and let it sit to completely cold. Finally, I fill the site glass to the top, leave just a little bubble at the very top (this only takes a few ounces to achieve).

After all that I still have a few ounces left in the gallon jug of T6.


Chris Glennon - Portland, OR
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