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post #1 of 30 Old 12-29-2009, 07:20 PM Thread Starter
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Forks...

So I know someone already posted a similar question but I'm lazy. Does anyone know if any of the post-03/04 forks are compatible with the 03/04? I'm in the market for new internals for my forks and am considering just replacing them if something better was developed along the way. I looked into getting some Ohlins cartridges but they don't make them for my bike... or I'm retarded.

I suspect that they are not compatible because when I hit up Ron Ayers for parts I noticed that the parts were different depending on the year. I hope this is not the case but can anyone confirm one way or the other?

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post #2 of 30 Old 12-29-2009, 07:42 PM
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i know alot of the guys are puttin the newer model zx6r front ends on the 03-04 636's if that helps
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post #3 of 30 Old 12-29-2009, 07:48 PM
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I think the 05/06 forks are similar to the 03/04 forks, spring rate being one difference. I would look more into it. (don't take my word that they are the same)
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post #4 of 30 Old 12-29-2009, 09:33 PM
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08 forks will bolt up, all you need are the 05+ rotors and front fender.
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post #5 of 30 Old 12-29-2009, 11:58 PM
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But fitting later forks doesn't necessarily mean they will be better. You are far better off getting your 03/04 forks rebuilt for your weight and riding style - road, fast road, track, or race.

Whilst Ohlins may/may not list kits there are other manufacturers (that may actually be better) I have seen a number of failures on Ohlins rear shocks so steer away from them if i can.

Have a look at K Tech in England and WP Suspension. a Dutch company.

I spent £400 on a 20mm K Tech valve kit on my 03 and my racing buddy says it is one of the best front ends he has ridden on.
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post #6 of 30 Old 12-30-2009, 12:29 AM
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Right,

i have been on the ktech suspension website and you need the front fork piston kit
K/T20SSK-INT-KYB-5 and flow control valve K/T20K-FCV-KYB3.

The above are available from Demon Tweeks and will cost about $500 incl postage.

Then get the springs to suit your weight etc.
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post #7 of 30 Old 12-30-2009, 12:52 AM
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My buddy put a set of 05/06 forks on his 03... they slide right into the 03/04 tripple clamp... the advantage to doing this is that now you can run 05 rotors witch are a little bit bigger in diameter than 03/04... I'm going to change my bike over if I can find the parts

03 636, all stock except yosh slip on and k&n, i slam it when i drag race, best run to date 11.44 at 118 mph, and i was sideways all of first gear...

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wish list:lower with strap and strut, wheelie bar, slick, air shifter, and FOGGER KIT
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post #8 of 30 Old 12-30-2009, 01:22 AM
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you can run 05 rotors on 03 forks with spacers and longer bolts.
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post #9 of 30 Old 12-30-2009, 03:53 PM
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The 03-04 forks are known for being weak.
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post #10 of 30 Old 12-30-2009, 05:49 PM Thread Starter
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Well I'm not too concerned about the rotors.

Heres the deal: During the most recent fork oil change, upon putting everything back together, adjusting the suspension, and going for a ride I found that my fork seals were leaking. I could swear that I inspected them thoroughly and they looked alright so I guess I missed something. Either way, I also noticed that my right fork is making a gurgling noise while rebounding from a hard compress. The bike was handling like shit but I assumed that was because of the tires. I've ordered new fork seals and haven't pulled the forks apart yet but I can't imagine any point at with anything could have gotten damaged. I also don't recall anything looking out of sorts and I even got a second opinion before putting it all back together. Fork oil was leveled and any excess was drained out using the fork oil measuring tool (that I always forget what to call it).

So I'm thinking that if the internals are done I'm just going to replace everything with upgrades that are more suited to my size and riding style and make the bike handle better. Why restore it when you can improve it right?

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post #11 of 30 Old 12-31-2009, 01:31 AM
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cartridge kit? They're mega expensive though

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post #12 of 30 Old 12-31-2009, 01:34 AM
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its only the valves i replaced. i would have loved the full cartridge kit but couldnt justify the £1200 for it.

the valves make a massive difference though.
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post #13 of 30 Old 12-31-2009, 04:16 PM Thread Starter
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Yeah I probably won't go with a cartridge kit... Yet. Now that I've come to realize that my problem may be simply that I didn't pump the air from the forks after putting oil in. So I'm just gonna change the fork seals and start over and see if that doesn't remedy my issues. Then I might splurge on some springs and valves down the road.

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post #14 of 30 Old 01-01-2010, 11:26 AM
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yeah pump those forks. Was going to suggest that might be your problem.
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post #15 of 30 Old 07-31-2013, 12:26 PM
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Quote:
Originally Posted by 03'636 View Post
08 forks will bolt up, all you need are the 05+ rotors and front fender.

Looked at doing c1h swingarm and front wheel swap; will the 09 forks slide into the b1h yokes, with 05 wheels and discs? And would I need 09 fender? Thanks
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