A9 Model Fork Oil Change - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 6 (permalink) Old 07-03-2015, 10:49 AM Thread Starter
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Smile A9 Model Fork Oil Change

Hello All,

Still in the process of finalizing the degoating and ear shave process. I have an issue in the manual though as far as front fork oil change. I do not have the air valve the book describes yet it also doesn't say how the A9 model goes about the change either.

I'd love any info you guys have. earning my new phone as well so I can post some pics.

Thanks Guys & Gals!

Kristoco
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post #2 of 6 (permalink) Old 07-03-2015, 11:15 AM
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the only difference in the front forks over the years was the early ones had the ability to add some air pressure (hence the air valve). all other aspects are the same. same procedure to remove the top plug and disassemble or drain the oil. as a matter of fact, if my swiss cheese memory serves me correctly, where the early ones had the air valve, latter didnt (mine is a 2005), there is still a 'bump' or similar where the air valve would have been on the top plug

2005 VN750

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post #3 of 6 (permalink) Old 07-03-2015, 11:40 AM Thread Starter
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Thanks Michiganteddybear. Sadly where that air valve was is just a threaded nub. It's not removable as far as I can tell.
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post #4 of 6 (permalink) Old 07-03-2015, 12:09 PM
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yup, that threaded nub is what holds the plastic cover on.

use a socket (I used a 1/2 inch deepwell) to press down on the plug so you can get the snap ring out. any size that fits over the nub will work. I used a small bar clamp hooked under the upper triple tree, pressing down on the socket to push the plug down enough to dig the snap ring out.

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post #5 of 6 (permalink) Old 07-03-2015, 02:27 PM
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I just changed my fork seals and oil. I used valvoline max life ATF, and I'm pretty happy with it, I've put about 350 miles on the new oil. I hesitated using ATF because according to specs, it's about 40w at 86 degrees but many on here reported using it for years without issues.

1991 VN750, purchased 5/5/15, 9092 miles
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post #6 of 6 (permalink) Old 07-03-2015, 05:40 PM
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That retainer ring engages the fork tube, might be hard to see without good light. Outside edge of the cap, inside the end of the fork tube.

I used ATF also, but seems a bit stiff for me. Was told it was 20w atf, but I have doubts. Will probably change it out for something I know is the right weight.

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