Posted by JayC on January 31, 2008, 1:56 am
Not to post an old-school bike related question or anything, but:
I was browsing my CRF owner's manual, boning up for my upcoming spring
change. Krike', those Showa forks sure are complicated. Which of the
special tools do I really need? It almost looks like a good idea to
buy a top cap wrench. What about the special spacer/holder that you
stick under the compression valve when you pull it out? They give a
measured drawing to make one in the manual, but it looks like an
adjustable wrench slipped over the damper rod would do the job just as
well. Man, the entire assembly has to be taken apart just to change
the fork springs - how silly is that? I guess I'll end up doing the
recommended 3 hour fork oil change, like it or not.
Any hints I should know before I start cracking these things open?
I just looked at the carburetor breakdown in the "adjustments &
tuning" section. That thing looks like it belongs in an F-22 Raptor.
Ugh.
JayC
Posted by Mike Baxter on January 31, 2008, 2:07 am
wrote:
>Not to post an old-school bike related question or anything, but:
>I was browsing my CRF owner's manual, boning up for my upcoming spring
>change. Krike', those Showa forks sure are complicated. Which of the
>special tools do I really need? It almost looks like a good idea to
>buy a top cap wrench. What about the special spacer/holder that you
>stick under the compression valve when you pull it out? They give a
>measured drawing to make one in the manual, but it looks like an
>adjustable wrench slipped over the damper rod would do the job just as
>well. Man, the entire assembly has to be taken apart just to change
>the fork springs - how silly is that? I guess I'll end up doing the
>recommended 3 hour fork oil change, like it or not.
>Any hints I should know before I start cracking these things open?
>I just looked at the carburetor breakdown in the "adjustments &
>tuning" section. That thing looks like it belongs in an F-22 Raptor.
>Ugh.
>JayC
Somebody local made a combination wrench for these 2 task. Aftershocks
may still have one available or Zoom Cycle in Santa Clara, CA.
Mike Baxter
Posted by Dave Smith on January 31, 2008, 8:21 am
> Not to post an old-school bike related question or anything, but:
> I was browsing my CRF owner's manual, boning up for my upcoming spring
> change. Krike', those Showa forks sure are complicated. Which of the
> special tools do I really need? It almost looks like a good idea to
> buy a top cap wrench. What about the special spacer/holder that you
> stick under the compression valve when you pull it out? They give a
> measured drawing to make one in the manual, but it looks like an
> adjustable wrench slipped over the damper rod would do the job just as
> well. Man, the entire assembly has to be taken apart just to change
> the fork springs - how silly is that? I guess I'll end up doing the
> recommended 3 hour fork oil change, like it or not.
> Any hints I should know before I start cracking these things open?
> I just looked at the carburetor breakdown in the "adjustments &
> tuning" section. That thing looks like it belongs in an F-22 Raptor.
> Ugh.
> JayC
Welcome to the world of twin chamber forks.
http://crfsonly.com/forum/viewtopic.php?t 588
Posted by Tim N on January 31, 2008, 10:14 am
The Showa's aren't that bad once you have done them once. I made the tool
that you need for the bottom of the fork. You do need that and a tool for
the top of the fork, they will make your life easier. Bleeding the inner
cartridge is easy. I have worked on Dan's Kayaba twin chambers a few times,
and they are horrid to work with. Bleeding the inner cartridge on those is a
pain in the ass, and you still end up feeling like there is air in them.
Tim
Posted by JayC on January 31, 2008, 12:54 pm
> Welcome to the world of twin chamber
forks.http://crfsonly.com/forum/viewtopic.php?t 588
That's a terrific post - thanks. Man, I have to do all of that except
the tube seperation and seal replacement just to change springs.
F**k. I have to say I prefer the 'remove fork caps, pull out springs,
drop in new springs' 5 minute procedure on all of the other forks I've
owned in the past. Oh well, another weekend shot to hell.
Alright - I'm convinced. I need to invest in one of those big fork
cap wrenches. I'm also going to need a good-quality hyper-tolerance 6-
sided socket for the compression nut (51 ft-lbs...yikes). Those
things scare me - I'm still shellshocked after seeing the flurry of
aluminum schrapnel poof into the air from a stuck compression nut when
I was blasting it with an impact gun - 6-sided socket and all.
JayC
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>I was browsing my CRF owner's manual, boning up for my upcoming spring
>change. Krike', those Showa forks sure are complicated. Which of the
>special tools do I really need? It almost looks like a good idea to
>buy a top cap wrench. What about the special spacer/holder that you
>stick under the compression valve when you pull it out? They give a
>measured drawing to make one in the manual, but it looks like an
>adjustable wrench slipped over the damper rod would do the job just as
>well. Man, the entire assembly has to be taken apart just to change
>the fork springs - how silly is that? I guess I'll end up doing the
>recommended 3 hour fork oil change, like it or not.
>Any hints I should know before I start cracking these things open?
>I just looked at the carburetor breakdown in the "adjustments &
>tuning" section. That thing looks like it belongs in an F-22 Raptor.
>Ugh.
>JayC