Subject: Re: Fork problem
Author: John Chicoine
Date: Mar 14, 2005, 11:11 AM
Post ID: 1718542225
Keven:
There are two bushings in each fork leg assembly. One is attached to the
end of the fork tube and travels inside the fork slider as the tube moves.
The other fits into the top of the fork slider and is retained by a wire
spring clip under the chrome seal holder. The bushing guides the tube as it
moves up and down. It also retains the fork tube. When you hit a bump and
your forks extend fully these two bushings hit - thus the bang.
Years ago I installed an oring over my fork tubes b4 assembly to stop this
banging. They lasted a short time then disappeared. Perhaps an 1/8 inch
thick nylon washer would hold up to the abuse - not sure. It would have to
be short because anything you add will subtract from your fork travel.
I don't know how preloading the springs with PVC spacers helps as I would
think the forks would rebound faster - more bang. Common sense would also
tell you that thicker oil would be better, but that doesn't seem to be the
case.
John
67 V700, Ambo's & Eldo's
----- Original Message -----
From: "Kevin Lawhorn" <kevinwl-@yahoo.com>
To: <Loopfram-@topica.com>
Sent: Sunday, March 13, 2005 12:02 AM
Subject: Fork problem
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I have a slight problem with my forks on my V7. I have asked some people
about it and all I got were vague answers. The problem is as follows:
When I go over railroad tracks, hit a small pothole or something that
causes the forks to operate in a severe fashion, the forks compress as
they should, and then return to their extended position and hit their
stops very hard. It's as if they don't have any oil in them, but they
do. I've put ATF in, then 20W50, then 30W fork oil and lastly 60W racing
oil. Nothing. Still does it. What the heck is going on? The seals don't
seem to be leaking. The bike only has 20,000 miles on it. 3000 put on by
me in the past year.
If it is something simple I'd like to know. I don't feel like dropping a
wad of cash on something simple.
Sorry about spelling aluminum wrong. I flunked a lot of english and math
in school.
Kevin Lawhorn
1969 Moto Guzzi V7
1965 Honda CB160
1971 Honda CB750
1976 Suzuki GT500
http://www.chivinmoto.com
Chicago Vintage Motorcyclists
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