How far can you raise the fork tubes? - Kawasaki ZX-10R.net
 
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post #1 of 9 Old 02-12-2015, 07:40 AM Thread Starter
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How far can you raise the fork tubes?

Hey guys, this summer I'm going to do some more drag racing. I'm staying swb and I have links that I can set at stock height, 2" drop, or 4" drop. I know I can raise the fork tubes 2" but if I want to lower the front more do I have to use a strap or can I raise the tubes more? I just ask because I want to keep some suspension travel in case of a wheelie. Thanks guys
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post #2 of 9 Old 02-12-2015, 08:22 AM
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You can only raise them until the tube diameter of the forks doesn't meet with the lower triple tree clamp. Meaning...the fork tubes are not consistent diameter for their entire length. You can only slide them until the diameter or "step" reaches the bottom of the triple tree so it can be clamped. You'll likely have enough room to drop it a couple inches, but your biggest issue will be interference with the front fairing and fender. Strapping it or raising the tubes will be limited by the fender-to-fairing clearance. And if you take all that away and the suspension compresses beyond that, you're going to smash some plastic somewhere.

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post #3 of 9 Old 02-12-2015, 10:06 AM Thread Starter
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I know I can go to where the tube tapers down, just wasn't sure if there was a rule of thumb as to if you should go that far or not. As far as front fender clearance I was thinking about that. If I have to I'll just take it off.
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post #4 of 9 Old 02-12-2015, 10:29 AM
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Quote:
Originally Posted by Millhouse View Post
I know I can go to where the tube tapers down, just wasn't sure if there was a rule of thumb as to if you should go that far or not. As far as front fender clearance I was thinking about that. If I have to I'll just take it off.
You're still going to run into clearance issues with the tire if you go too low. And getting rid of the fender will leave your fork tube stanchions exposed to debris, which can ding them up and cause fork seal problems. Just be cautious.

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post #5 of 9 Old 02-12-2015, 10:36 AM Thread Starter
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The bike will only be lowered when I'm at the strip. It won't be street ridden like that so the tubes should be fine. I'll probably just lower it 2" front and rear. Sounds like any more than that will cause more trouble than its worth. I want to have it set up to lower and raise back up as quickly as possible and the more clearance issues I have to mess with the longer it will take.
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post #6 of 9 Old 02-12-2015, 10:54 AM
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Is the rear lowered as well? I guess if you have an extended swingarm the rake change might not be that drastic but you get too steep it could induce a healthy tank slapper.

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post #7 of 9 Old 02-12-2015, 11:12 AM Thread Starter
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Yea the rear will be lowered too. I have the links with 3 bottom holes. Stock, 2", or 4" drop. Whatever I end up doing I will lowered the front and rear equal amounts.
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post #8 of 9 Old 02-12-2015, 11:12 AM Thread Starter
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post #9 of 9 Old 02-12-2015, 11:35 AM
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If your only doing it for the track and plan on raising and lowering it all the time you might just want to get a set of straps and brackets. Only cost about $100 and save yourself a lot of time


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