should I change oil seals? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 10 (permalink) Old 01-31-2011, 08:54 PM Thread Starter
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should I change oil seals?

I'm going to install the Progressive Suspension fork lowering kit. It looks like I have to remove the forks to get at the damper spring. So, since I have to remove the forks anyway, should I replace the oil/dust seals?
There are no leaks, and the dust seals don't look cracked or damaged at all. The bike is a 92 with 24,000 miles on it. I have owned it for about 3 years, and have never changed the seals. On one hand it's a preventative maintenance issue, on the other "if it ain't broke, don't fix it."
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post #2 of 10 (permalink) Old 02-01-2011, 10:58 AM
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I don't see why you should have to remove the forks to fish out the springs. If it was me, I would just change the oil while the tops are open. The oil is going to be in quite a bad shape by now if it has never been changed.
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post #3 of 10 (permalink) Old 02-01-2011, 11:49 AM
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Quote:
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I don't see why you should have to remove the forks to fish out the springs. If it was me, I would just change the oil while the tops are open. The oil is going to be in quite a bad shape by now if it has never been changed.
He has to get to the dampaning springs. That is why he has to take them completly appart. I took a short cut and did not install the dampeners. I am not very heavy so it worked out fine for me.

BTW, I would replace the oil seal and the dust covers.

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post #4 of 10 (permalink) Old 02-01-2011, 12:07 PM
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I agree...if you have to take the fork apart, you might as well change the seals. They are not expensive, and considering the age of the bike, it simply can't hurt.

There was someone awhile back that opted not to replace the seals...and about a month later one of them started leaking...(Damn you Murphy!!!)

I would suggest you get the OEM seals and not some e-bay knock offs.

And don't forget to read Lances write up on replacing the fork seals at the top of this section.

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Last edited by Knifemaker; 02-01-2011 at 12:10 PM.
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post #5 of 10 (permalink) Old 02-01-2011, 12:40 PM Thread Starter
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...I would suggest you get the OEM seals and not some e-bay knock offs...
KM
I looked for OEM seals online, but I'm not sure if they come in pairs or if I have to order two of them.... for example, on cheapcycleparts.com they show an exploded view of the fork and shows that you need two of them and the price is around $14. I'm not sure if that is $14/ea., or for the pair.....

Anybody have a prefered vendor w/part #'s ??
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post #6 of 10 (permalink) Old 02-01-2011, 03:53 PM
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2X on changing the seals. I did mine last spring. Not too bad.
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post #7 of 10 (permalink) Old 02-02-2011, 12:57 PM Thread Starter
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2X on changing the seals. I did mine last spring. Not too bad.
did you buy the parts local, or online? where? what? how much?
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post #8 of 10 (permalink) Old 02-02-2011, 01:30 PM
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I opted for the oem seals. Check bikebandit.com or even ronayers.com Both are good resources. Pricing is listed on each site. I don't remember it being expensive at all.
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post #9 of 10 (permalink) Old 02-03-2011, 12:41 PM Thread Starter
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Here is what I ended up with from ronayers.com

SKU Part Number Description Qty Price Ext. Price
1084569 92033-1201 RING-SNAP 2 $1.85 $3.70
1084568 92033-1200 RING-SNAP,FORK 2 $2.64 $5.27
516885 3609-0003 FORK OIL 15WT LITR 1 $6.38 $6.38
1087325 92049-1230 SEAL-OIL,FORK 2 $9.98 $19.95
1094796 92093-1197 SEAL,FORK 2 $9.72 $19.43

Sub Total $54.73
Shipping $8.00
State Tax $0.00
Specialty Tax Total $0.00
Coupons $0.00
Grand Total $62.73
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post #10 of 10 (permalink) Old 02-03-2011, 02:28 PM
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I won`t argue with anyone who recommends OEM seals, but I bought these a year or so ago.
http://cgi.ebay.com/ebaymotors/Kawas...QQcmdZViewItem

From the limited research I did on fork seals, I believe at a minimum you want to get seals made of rubber, not neoprene. The rubber is more robust and wear resistant. Both the Kawi, and the Pyramid brand seals in the ebay link are made of rubber. The Ron Ayers prices for OEM parts look pretty good to me. My local stealership wanted about $60 for a complete set of 2 each, oil and dust seals. I got mine for $20 plus $5 shipping.

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