How often do you change fork oil? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 11 (permalink) Old 10-18-2011, 02:06 AM Thread Starter
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How often do you change fork oil?

Is changing the front fork oil routine maintenance? Can it be done with common tools?

-Robert
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post #2 of 11 (permalink) Old 10-18-2011, 06:03 AM
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Yes it can. At the bottom of the forks there are 2 bolts, one on each side. Take those out, and slowly pump the forks up and down to get the oil out. Not so much routine maintenance, but it does need to be done. Not sure on the timeline tho.
There is a manual you can download on the forum here that goes into detail on how to change the oil, and also on how to pull the rear diff to lube the splines.
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post #3 of 11 (permalink) Old 10-18-2011, 07:58 AM
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Not sure about Kawasaki, but most recommend changing the fork oil every two years.

I'm keepin' all the left over parts. I'm gonna use 'em to build another bike!
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post #4 of 11 (permalink) Old 10-18-2011, 12:57 PM
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two years is correct. however,i aint changed mine in 9 years.

AGEING IS INEVITABLE,,MATURING IS OPTIONAL

VN 750 A8 1992.
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Imported from California
to UK in 1996.




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new filters(foam type)
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post #5 of 11 (permalink) Old 10-18-2011, 01:36 PM
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I ain't changed mine in 20 yrs (hint: this means never). I think I'll do that and the swingarm lube (also never) in the spring.

~~C8>
.

Last edited by ZCraggRatt; 10-18-2011 at 01:43 PM.
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post #6 of 11 (permalink) Old 10-18-2011, 09:06 PM
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are there any consequences of putting off the maintenance and running old oil?
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post #7 of 11 (permalink) Old 10-18-2011, 09:20 PM
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New and Improved service manual thread link:
https://www.vn750.com/forum/showthread.php?t=17667

Hey Raker Bill, even though the oil can be drained from the bottom of the tube, the top cap and ring is going to have to come off to refill the tube isn`t it?

Gordon

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TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/11-vn750-general-discussion/9127-top-ten-items-you-would-suggest-new-owner-do-his-new-ride.html
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post #8 of 11 (permalink) Old 10-18-2011, 09:22 PM
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Quote:
Originally Posted by km60155 View Post
are there any consequences of putting off the maintenance and running old oil?
Yes , your bike will explode.

Although 2 years is "recommended".....most do not bother until one of the seals starts to leak or they buy the very recommended Progressive springs.

After working in a bike shop, I'd say you can go ten years instead of two...

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post #9 of 11 (permalink) Old 10-18-2011, 11:57 PM
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I have never replaced the fork oil (or the shocks) on either one of my Vulcan 750s. The first one passed 80,000 miles with no issues, the second is past 70,000. The only time I have ever replaced fork oil if if I had to replace the seals, and many bikes I just rode with leaky seals, and poured a little oil in once in a while. Rebuilding forks is the second hardest job on a motorcycle, next to rebuilding the engine. It doesn't have to be, but that is the way they are designed.

I am a motorcyclist, NOT a biker.


1997 Vulcan 750, purchased about a week ago
2006 Sportster 1200 Low
2013 Royal Enfield Bullet 500, converted to carb
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post #10 of 11 (permalink) Old 10-19-2011, 06:14 AM
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thanks for the advice guys
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