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Old 07-21-2006, 01:00 PM
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flasher My DIY Re-Valve of a '04 CRF 450

     

Too much to transfer over so here is a link to another forum....I am currently awaiting some part from FC to finishing job. Any input would be great. I am doing this becasue all of the companies out there are basically doing cookie cutter valving for everyone. I have looked at several freinds stuff from a un-named comany and even though they are different weight and ability their stacks were the identical.(Removed a few shims from the Fork Compression and mid-valve...never even touched the rebound shock)..only either re-sprung and different oil heights. My friend that was faster had to send it back 3x before they really made any changes to their cook cutter stacks...
04 SHOWA Re-Valve DIY
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Old 07-22-2006, 01:46 AM
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Default Re: My DIY Re-Valve of a '04 CRF 450

very cool.. I commend you bravery, since most of us get scared just thinking about it. I may have to dabble a tad just to see what I can change with mine.
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Old 07-22-2006, 07:10 AM
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Default Re: My DIY Re-Valve of a '04 CRF 450

Before I open up mu own suspension I thought this stuff was way out of my league.....at least that is what the after market companies lead you to beleive But actually this was easier that changing a tire! The hardest part was removing the peening on the valving shafts. The Fork peen you can remove with a smal fine file and the shock peen can be done this way to. Suggest that this is the way you do it the first time you try and just remove a little at a time. After you understand and see what has to be done you can use a grinder to at a 45 degree angle to remove the peen and feel confident doing it. But of course that will have to be trried on you buddies becasue once your is done it's done and you will not re-peen it becasue it will be a process of going back in there to make changes and you have only so much shaft to work with. The Factory rods have a ton of threads. But after you finish you just hit it with some LOC_TITE and your good to go.

I really wish that someone like Jer from MX-Tech would really wright an illistrated book about suspension tuning but it is a real easy way for the companies to make money very easy money of us.

There are several data bases out there that cost like $30.00 and you will have access to a ton of vavling combos for different applications.

I think though the biggest thing for me was that I wanted to know myself so when I did not like something I could say hey I need to remove 1 shim from that HSC stack..and add 2 to the LSC circuit...its a little harsh.

This stuff is easier than doing a top-end. Once you have a basic understanding of how the system works together......



theDogger
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Old 07-22-2006, 08:22 AM
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Default Re: My DIY Re-Valve of a '04 CRF 450

Interesting thread here. I read the whole TT thread also. Some of the things that were mentioned confused me but some of it makes sense now. I have been trying to dial in my CR for a while but I just cant get it to that "plush but forgiving'" state. Thanks again for sharing

-Kevin-
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Old 07-23-2006, 02:27 AM
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Default Re: My DIY Re-Valve of a '04 CRF 450

What books are out there? I'd love to pick something like that up. I have always serviced my own suspension, and don't find that part scary, but the valving was always an big unknown, so therefore a little scary. I liked what I had, so why take a chance at making it worse if you know what I mean.

I also have the Moto power video video's on the Showa forks and shock and they do indeed show you how to take it all apart. So that much is pretty easy too, I'd just need something with some different shim combo's since I don't have a good grasp on that at all.

Keep us updated, I've enjoyed your journey thus far, and can't wait to hear what you think when you are all done.
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Old 10-04-2006, 12:26 PM
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Default Re: My DIY Re-Valve of a '04 CRF 450

I have posted more info. about effects of changing the valving and what changes that I have made since the inital valving. Also some info. on what to change to get started re-valving on your own..

theDogger
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Old 10-04-2006, 01:52 PM
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Default Re: My DIY Re-Valve of a '04 CRF 450

Thanks theDogger, I've been following it intensly over on TT. You are doing a great job.
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Old 10-04-2006, 02:30 PM
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Default Re: My DIY Re-Valve of a '04 CRF 450

Quote:
Originally Posted by Woody_393 View Post
Thanks theDogger, I've been following it intensly over on TT. You are doing a great job.
Ditto on all accounts, I dig the pics and the reasoning behind the changes. Keep up the good work!
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