Racing Suspension - ZX6R Forum
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post #1 of 3 Old 09-23-2018, 07:17 AM Thread Starter
Join Date: Sep 2018
Posts: 3
Racing Suspension

Hey, all,

I've done some Sunday-morning searching, but not really 'hit' my answer yet, so am taking the lazy way out and asking.

I've got a '17 636 6R with ABS... that'll be interesting.

I plan to convert it to a racebike after I get it paid off around December. I'm a former racer, soon to be again, haven't been in the sport for a while. When I last bought suspension stuff, Ohlins 25mm carts and TTX rears were the hot thing. I missed the whole BPF fork experience. I seem to remember reports of problems with oscillation/BPF chatter floating around the internet.

Impressions of my '17 are that the forks damping is OK in both directions, but the bike's undersprung; I don't yet know what I think of the rear since I haven't had the bike on the track, nor really pushed the envelope on the street. I don't really want to push it on the street, either.

I'm pretty sure I'll get bumped after my first weekend racing next spring. Can someone point me to how the BPF chatter was solved, what's a good upgrade for a 190lb Expert's forks? I know I need springs front and rear. For the forks, what's recommended: piston/shims, carts, other internals work? Whose shock do I want on the rear?

I haven't changed tire preferences, I'm probably still in love with Pirellis.
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post #2 of 3 Old 09-23-2018, 08:23 AM
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Join Date: Mar 2012
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I Ride: '12 ZX6
Ohlins quit making the 25 mil kit a few years ago and it's all 30mil stuff now. You'll still see 25's around, and can still get parts for them, they just don't sell them new anymore.

Easiest way to solve chatter in the front end is to run Pirelli's, so you shouldn't have a problem. You can make Dunlops work, but from my experience this year, they are more particular to being properly setup. The stock forks aren't that bad, don't discount them with the proper springs and a good setup.

My suspension guy is primarily an Ohlins guy, and the deals I've got (and some of the bikes I've bought) already came with Ohlins on the rear so it just kinda worked out that way for me. There are several different TTX models, so keep that in mind. Whether or not the latest and greatest is worth it is up to you. Thermosman (the suspension guy) advised me to keep the older TTX I had on the endurance bike as "it's a damn good shock and there's no reason to waste your money just to have a new one".

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post #3 of 3 Old 09-23-2018, 08:52 AM Thread Starter
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^ Thanks!
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