jessejames82
Zone Head
Posts: 550
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posted November 18, 2007 07:45 AM
Suspension Setup..??? need help
Hey guys I need some help I dont know if my rear suspension is set right. It is at stock right now... the bike is a zx14 and is at 64'', lowered, and I weigh 115 soaking wet... I just want to know if I should make it stiffer or softer... It is a stock shock any help would be great... this is an dragracing only bike so i dont care about comfort.
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Orient Express Rider
SuperSport ZX 14
6.000 8th mile
  
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woppî
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posted November 19, 2007 06:53 AM
i think, you need a drag shock ??????????????
my zx12r wilbers:
or zx14 öhlins:
http://prostores2.carrierzone.com/servlet/brockracing/Detail?no=249
woppi
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woppî
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posted November 19, 2007 06:57 AM
the problem is not --- your comfort !!!!!!
the problem is the wheelbase !!!! if you have more wheelbase -- you need an other spring + an better shock !!!!!!
my mine !!!!!!!!!!!!!
woppi
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DR JOE
Expert Class
Posts: 352
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posted November 19, 2007 01:50 PM
Have you adjusted your setting on the shock???
I would play with the adjustments of the shock before spending any money on a shock.
Ping Ricky G. and ask him about where you should set your shock, or call his shop and ask him. 856-784-3278
I had to adjust my spring to get my shock to work, later down the road I will buy a shock.
Doc.
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CrotchRocket
Moderator
Bracket Racing with Betsy
Posts: 8038
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posted November 20, 2007 07:58 AM
You need to video your passes and look to see what your rear is doing during launch and while shifting gears...
You most likely only need to turn the spring colar a couple turn clockwise since you weigh 120lbs.!!!
Aftermarket shocks do make a difference, but not so much on a stock motored bike...The longer you go the more you need a heavier spring, combined with your weight ...
Others will tell me Im wrong, but I and others have gone fast with a stock shock and stock motor...
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Jason Miller StreetBike Seminars
*****DragRacers do it better, because they dont cut Corners*****
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dubious
Needs a life
Needs more time to ride!
Posts: 8442
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posted November 20, 2007 10:29 AM
The stock zx14 rear spring is good for 160lbs on stock wheelbase.
The stock zx14 swing arm is 24 " long, add 6" and now it is 25% LONGER.
160 lbs/ 1.25=128 lbs.
You might be able to get away with just adjusting the preload.
Personally I think it still will be too soft, the zx14 squats alot!
Suspension compression eats HP, but some is required for weight transfer and traction.
A fine balance between minimal squat and traction is the key.
additionally I might add, I had my rebound dampening closed the entire way to keep the tire planted, and to keep the suspension movement minimized between shifts.
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natural selection.....
destiny will overcome intervention.
Some are not worthy of the effort.
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salsa1
Needs a life
Posts: 5971
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posted November 21, 2007 06:40 AM
 Edited By: salsa1 on 21 Nov 2007 06:40
This is for the ZX-10R....In principle it should help.. or at least in the right direction.. like others have said previosly.. may not be enough not saying it is...
here ya go...
If you are having a hard time hooking up you should also look at your suspension adjustments. If its spinning that hard then you try softening up your compression damping and crank your rebound damping all the way up on the shock. This will allow the rear suspension to squat and hook the tire and then stay down to keep the center of gravity lower to help keep the front end down. With the compression damping to tight on the shock it doesnt allow the bike to transfer weight like it should. Combine the suspension adjustments and lower tire pressure and you might be surprised how much it helps.
Have fun...thats what it's all about...
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Salsa1
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