Vintage_Rocket
Parking Attendant
Posts: 22
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posted March 09, 2006 10:39 PM
2000-ZX9R front compression damping problem
Hi All! Hope you can help me. I went to adjust my front compression damping and the screw on one side just spins in the socket, no clicking. It does not move in with pressure upon it either. It feels stripped and won't back itself out when turned counter-clockwise. The screw head is protruding about an 1/8th of an inch out the fork. I matched the other side by sight rather than clicks. Is it OK to ride like this? Anyone encounter this problem before? Itching to ride it...
  
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fish_antlers
Administrator
The Truth is Out There
Posts: 21895
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posted March 10, 2006 08:12 AM
I'm sure someone here can answer that...
someone... help a brother out!
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What business is it of yours where I'm from, Friendo?
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uncle zed
Parking Attendant
Posts: 16
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posted March 11, 2006 12:16 AM
I would just pull those forks off and send them to Jim at Lindemann Engineering. The 2000 ZX9R has way too much high speed compression damping and nothing you can do with the adjusters will get rid of it. He will revalve, change the springs to match your weight, service and fix the adjuster for probably around 400 bucks. Mine used to beat me to death on concrete surfaces but now its smoother than a Goldwing!
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jimzx9r
Expert Class
Posts: 451
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posted March 11, 2006 02:38 AM
Help is on the way...
That's really weird for it to happen out of nowhere. Did you ever adjust it yourself before? Buy it new? I've never heard of that happening unless it was twisted too far and stripped. I don't see how it could just pop out and spin freely without someone going gorilla on it.
Busting out the trusty 9R shop manual now...
The manual says it's unsafe to ride without both forks on the same settings due to "unpredictable handling"...no mention of your problem with the stripped adjuster, though. Now if it were me, I would think that a stripped adjuster meant that the compression damping would be the weakest on that side, and then just set the other side all the way out as well. Handling will suck, but it's better than riding the bus until you can get it fixed. Don't sue me if it doesn't go well.
For getting it fixed, drop it off at a shop or pull the tube yourself and take it in. They should be able to tap the fork leg and get you a new adjuster screw. Depending on the miles, it might be a good idea to bring both sides in and get them checked out.
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Vintage_Rocket
Parking Attendant
Posts: 22
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posted March 12, 2006 12:13 AM
Thanks for the help! I bought the bike used. This will be my second season on it and I love riding it. I left the settings as they were, it felt good to me. Silky compared to my 1000R. I was curious if it could be better however. I have a Sport Rider magazine review of the 2000-ZX9R and decided to try their recommended set-up. Clearly I should not have fucked with it! The screws on both sides were difficult to turn until I gave them a bit of WD40. Obviously untouched for a long time. The bad one turns, but not easily. The screw is a bit chewed up like someone has aped on it. I will take your advice on backing the other side out to full soft and get it into the shop, or it might just be easier to trade it in on a ZX-14 as someone has suggested to me...
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