justplainbill Posted April 3, 2016 Share Posted April 3, 2016 I'm planning to go the ZX10R or ZX6R rear shock route, but would like to know the range of years for ZX10 and ZX6 best suited to use in the FJ-09. By best suited, I'm thinking of just the fitment issues: eye center to eye center distance, spring and reservoir clearance. By narrowing it down to those that will fit (with minimal modification) I can search for one with low miles, hopefully in excellent condition. Maybe as nice as the one Papac2000 scored. Thanks, Bill Link to comment Share on other sites More sharing options...
pattonme Posted April 3, 2016 Share Posted April 3, 2016 all you want to know has been cataloged over at the FZ forum. The FJ is 50lbs heavier so the spring suitability gets revised downward. But the executive summary is 05-06 Kawasaki ZX6R (Preload/Stepless Rebound/Compression) minor modifications needed for install 05-06 Kawasaki ZX6RR (Preload/Stepless Rebound/HS Compression/LS Compression) minor modifications needed for install Spring Rate: 10.3 kg/mm [575 lb/in] Adjustability: Preload, Stepless Rebound Dampening, High-Speed & Low-Speed Compression Dampening Eye-to-eye Length: 330mm [13"] (Identical to stock) Upper Mount Width: 30mm [1-3/16"] (Identical to stock) Upper Mount Hole Diameter: Ø10mm [Ø3/8"] (Identical to stock) Lower Mount Width: 30mm [1-3/16"] (Identical to stock) Lower Mount Hole Diameter: Ø10mm [Ø3/8"] (Stock = 12mm) 07-08 Kawasaki ZX6R (Preload/Rebound/HS Compression/LS Compression) suspension linkage needs to be shaved 10mm longer than stock, when fully unloaded the spring (2.25") is likely to kiss and bind the linkage http://i48.photobucket.com/albums/f225/michaelward138/A08B356A-1449-4456-848B-764B90BF4ED3_zpsaapdqjjl.jpg 08-10 Kawasaki ZX10R (Preload/HS Compression/LS Compression) minor cutting of plastic fairing below the tank 1/4" longer c/c and has a 510 lb/in spring (ed. much too low) http://img.tapatalk.com/d/13/12/17/e7y6asu4.jpg Link to comment Share on other sites More sharing options...
justplainbill Posted April 3, 2016 Author Share Posted April 3, 2016 Thank you Matt - you pack a lot of information in an Executive Summary. Isn't it tomorrow in Virginia? Get some rest - the world needs you at your best. Link to comment Share on other sites More sharing options...
papac2000 Posted April 3, 2016 Share Posted April 3, 2016 The one I have is an 05-06 ZX10 I was told. It is 8mm longer and the bottom clevis hole is also smaller than the FJ. At full droop there will be very light contact of thr spring to the linkage. I added more photos to my thread 2015 Matte Grey Modded stock exhaust, modded stock screen, modded stock seat, OEM heated grips, LED indicators, FlashTuned ECU, ZX10R shock Link to comment Share on other sites More sharing options...
mak595 Posted July 13, 2017 Share Posted July 13, 2017 Got a chance at a low mileage 2014 zx6r, would it fit ok, and spring rate be ok ? (215 geared up) Link to comment Share on other sites More sharing options...
pattonme Posted July 13, 2017 Share Posted July 13, 2017 Got a chance at a low mileage 2014 zx6r, would it fit ok, and spring rate be ok ? (215 geared up)per (some FZ09 forum)/forum/14-fz-09-performance-suspension/10700-13-15-zx6r-rear-shock.html you'll need to do some grinding, the extra length could be problematic, the spring rate isn't even close, and therefore the valving is going to be incorrect. You'll want a 110N/mm spring in any event (625lb/in, 11.2kg/mm). Link to comment Share on other sites More sharing options...
mak595 Posted July 14, 2017 Share Posted July 14, 2017 Got a chance at a low mileage 2014 zx6r, would it fit ok, and spring rate be ok ? (215 geared up)per (some FZ09 forum)/forum/14-fz-09-performance-suspension/10700-13-15-zx6r-rear-shock.html you'll need to do some grinding, the extra length could be problematic, the spring rate isn't even close, and therefore the valving is going to be incorrect. You'll want a 110N/mm spring in any event (625lb/in, 11.2kg/mm). Thanks, sounds like im better off with the tried and tested easier shock conversion's Link to comment Share on other sites More sharing options...
norcal616 Posted July 14, 2017 Share Posted July 14, 2017 if your looking to keep cost down, Norwest Suspension can re-shim the rear OEM shock... 2012 wr250f - C-class 30+ age group 2015 fz-07- Hordpower Edition-80whp 2015 fj-09- Graves Exhaust w/Woolich tune by 2WDW @120whp Link to comment Share on other sites More sharing options...
mak595 Posted July 14, 2017 Share Posted July 14, 2017 if your looking to keep cost down, Norwest Suspension can re-shim the rear OEM shock... I'm in the UK I could get my shock fettled but thinking, would I be better off with a higher spec shock with comp adjustment Link to comment Share on other sites More sharing options...
mak595 Posted July 14, 2017 Share Posted July 14, 2017 Pattonme, does the zx6 07 shock need a stronger spring as well, if so can the standard fj spring be used? Thanks Link to comment Share on other sites More sharing options...
pattonme Posted July 18, 2017 Share Posted July 18, 2017 Any shock with preload rings (not the ramp) can generally re-use the FJ springs. You may need a spacer to get the rings in the usable range or deal with mismatched ID. You can use a ramped shock too but the spacer is a little bit more fiddly. I'm not aware of any ZX6 shock that comes anywhere remotely close to the right spring rate for re-using on the FZ/FJ09 application. Link to comment Share on other sites More sharing options...
mak595 Posted July 19, 2017 Share Posted July 19, 2017 OK thanks Link to comment Share on other sites More sharing options...
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