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springs
Posted: Wed Feb 07, 2001 10:01 am
by Brad Davis
Is it just as good to insert spacers in the fork caps
to tighten up the springs instead of installing
progressive type springs? What should the dimensions
of the spacers be? I am on a limited budget right now
and would like to make modifications as inexpensively
as possible.
Thanks,
Brad
A9
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springs
Posted: Wed Feb 07, 2001 12:00 pm
by BCSavWill@cs.com
Hi,
I suggested a friend of mine try this very thing. He preloaded his springs 1
inch and said it made a difference. Give it a try and see. He used some
conduit to do it. Measure the stock spacer and add 1 inch. Put a fender
washer on top of the spacer too to protect the cap. Something I believe
Kawasaki should have done in the first place.
Usual disclaimers.
Regards
Brian
A14
D17
[Non-text portions of this message have been removed]
springs
Posted: Wed Feb 07, 2001 2:18 pm
by Mike Reaves
I went to Home Depot and got a PVC joiner. I guess landscaping guys use them to join two pieces of pipe. Anyway, each is 1.5 inches long. They seem to be working out pretty good. Cost was around 30 cents....
>>> "Brad Davis"
2/7/2001 8:01:31 AM >>>
Is it just as good to insert spacers in the fork caps
to tighten up the springs instead of installing
progressive type springs? What should the dimensions
of the spacers be? I am on a limited budget right now
and would like to make modifications as inexpensively
as possible.
Thanks,
Brad
A9
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springs
Posted: Wed Feb 07, 2001 2:27 pm
by Dale_Johnson@ahm.honda.com
What was the process to add them? How long did it take? is it as easy
as it sounds? Do you notice an improvement? If so, how?
Dale
Y2K KLR 22222 miles yesterday.
--- In DSN_klr650@y..., "Mike Reaves" wrote:
> I went to Home Depot and got a PVC joiner. I guess landscaping guys
use them to join two pieces of pipe. Anyway, each is 1.5 inches long.
They seem to be working out pretty good. Cost was around 30 cents....
>
> >>> "Brad Davis"
2/7/2001 8:01:31 AM >>>
> Is it just as good to insert spacers in the fork caps
> to tighten up the springs instead of installing
> progressive type springs? What should the dimensions
> of the spacers be? I am on a limited budget right now
> and would like to make modifications as inexpensively
> as possible.
>
> Thanks,
> Brad
> A9
>
> __________________________________________________
> Do You Yahoo!?
> Yahoo! Auctions - Buy the things you want at great prices.
>
http://auctions.yahoo.com/
>
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>
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springs
Posted: Wed Feb 07, 2001 3:54 pm
by BCSavWill@cs.com
Hi,
Lift the front off the ground.
Undo bar clamps.
Rest bars back towards tank
Slacken top triple clamp bolts.
Bleed off any air pressure in forks.
Remove fork caps.
Take out spacer.
Measure it's length.
Cut whatever (plastic pipe etc) longer for your pre load, more than an 1 1/2
and you won't be able to get the cap back on.
Put it back on top of spring.
Replace cap and torque.
Torque top clamp bolts.
Replace bars.
Finished.
Think that covers it all.
You could change the oil while you are at it and check stem bearing tightness
too.
Think about w15 maybe.
About 1 hour or less.
Yes it is as easy as it gets.
The forks feel stiffer, I have not compared it but a friend of mine said it
was worth while. Should improve the tendancy for the front to wash out on the
dirt and make the front feel less vague. (my opinions)
I have progressive's fitted, which are very good, I think you might get about
1/4 to 1/2 way there depending on your weight.
Regards
Brian
A14
D17
[Non-text portions of this message have been removed]
springs
Posted: Wed Feb 07, 2001 5:13 pm
by Mike Reaves
Actually, I also added the progressive springs at the same time. The job was amazingly simple. When I put in the new springs the directions say to cut down the original spacer so thats when I just popped in the PVC. All you need to do is remove the cap from the top of the fork (loosen the top pinch bolt first), remove the stock spacer (standard is 5 inches I think), and add spacers. When I did mine all I wanted was 3 inches of preload so I stacked 2 joiners. In your case, since you want to go to 6 inches I might just buy a hunk of PVC pipe and cut it to fit. I'm not sure I would want to stack 4 joiners, but it may work...
Oh, only remove one fork cap at a time. If you remove both then you will need to jack up the front of the bike...
>>> 2/7/2001 12:27:21 PM >>>
What was the process to add them? How long did it take? is it as easy
as it sounds? Do you notice an improvement? If so, how?
Dale
Y2K KLR 22222 miles yesterday.
--- In DSN_klr650@y..., "Mike Reaves" wrote:
> I went to Home Depot and got a PVC joiner. I guess landscaping guys
use them to join two pieces of pipe. Anyway, each is 1.5 inches long.
They seem to be working out pretty good. Cost was around 30 cents....
>
> >>> "Brad Davis"
2/7/2001 8:01:31 AM >>>
> Is it just as good to insert spacers in the fork caps
> to tighten up the springs instead of installing
> progressive type springs? What should the dimensions
> of the spacers be? I am on a limited budget right now
> and would like to make modifications as inexpensively
> as possible.
>
> Thanks,
> Brad
> A9
>
> __________________________________________________
> Do You Yahoo!?
> Yahoo! Auctions - Buy the things you want at great prices.
>
http://auctions.yahoo.com/
>
> Visit the KLR650 archives at
>
http://www.listquest.com/lq/search.html?ln=klr650
> Support Dual Sport News... dsneditor@s...
> Let's keep this list SPAM free!
>
> Visit our site at
http://www.egroups.com/group/DSN_klr650
> To unsubscribe from this group, send an email to:
>
DSN_klr650-unsubscribe@egroups.com
Visit the KLR650 archives at
http://www.listquest.com/lq/search.html?ln=klr650
Support Dual Sport News... dsneditor@...
Let's keep this list SPAM free!
Visit our site at
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springs
Posted: Thu Feb 08, 2001 6:21 am
by Brad Davis
I hadn't thought of the spring binding up. If I
remember correctly from my school days the spring
rate, k (lb/in) is linear unless you are dealing with
a progressive type spring. For example, one with
unsymmetrical coil windings. The stocker is a linear
spring, isn't it? Your binding theory makes sense but
I am guessing that the added 1 to 1.5 inch of
pre-compression won't get me into the danger zone.
Anyone with more experience care to comment?
Brad
A9
--- dirtbiker651@... wrote:
> Brad, inserting a longer spacer may work fine, but
> from what I
> recall, the proper way to do it is to figure out how
> long you want
> your spacer to be, then cut off some of the spring.
> Example: If the
> stock spacer is 3 inches, and you want to replace it
> with a 6inch
> spacer, you cut off 3inches of spring. The reason
> you do this is to
> keep the spring from binding. If you just add the
> longer spacer, you
> are cramming the coils closer together and they may
> completely touch
> each other, thus becoming a solid steel tube. By
> cutting the spring,
> you are increasing the spring rate. If you want to
> cut the spring,
> it should be taken to a metal shop and cut with a
> chop saw. A hacksaw
> won't give you a clean cut.
> Then again, if all you want is a slight increase,
> then you probably
> can get away with just adding the longer spacer.
> If you notice, a spring with a softer rate has coils
> that are closer
> together than a spring with a stiffer rate.
> I feel like Kevin Cameron!!!! LOL
> I wish........
>
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springs
Posted: Wed Aug 29, 2001 9:03 am
by Chris Krok
> >This whole thing has gotten me curious, I still have my old stock
> >springs. I'm going to compress one flat for a couple of days and see
> >what happens.
>
> In order for the springs to "take a set", wouldn't one have to
> compress (ie, bend the steel) them beyond the metal's yielding
> point?
Well, it's possible to have creep, but that's usually only an issue at
high temperature. I'm just trying to put the whole thing to rest.
C
--
Dr. J. Christopher Krok Project Engineer, Adaptive Wall Wind Tunnel
Graduate Aeronautical Laboratories, California Institute of Technology
MS 205-45 Phone: 626.395.4794
Pasadena, CA 91125 Fax: 626.449.2677
springs
Posted: Fri Dec 19, 2003 4:39 pm
by artizun
I bought a corbin off of ebay last night dished for 250.00 shipped. I
had cut the original seat down but found it uncomfortable on rough
dirt roads. Bought those maps today too. I bought the front springs
from happy trails. What fork oil do you recommend for a 200+ weight.
Thanks
springs
Posted: Fri Dec 19, 2003 4:52 pm
by Stu
--- In
DSN_klr650@yahoogroups.com, "artizun" wrote:
> I bought a corbin off of ebay last night dished for 250.00 shipped.
I
> had cut the original seat down but found it uncomfortable on rough
> dirt roads. Bought those maps today too. I bought the front springs
> from happy trails. What fork oil do you recommend for a 200+
weight.
> Thanks
10wt