Simple FREE suspension inprovement - Kawasaki Versys Forum
 
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post #1 of 10 (permalink) Old 09-09-2009, 09:56 PM Thread Starter
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Simple FREE suspension inprovement

After reading hours and hours of suspension tune up and Very Expensive upgrades, I decided to do as follows: Set front and rear preloads to the softest, then set the rear rebound to the softest and leave the front rebound as per factory, now the most important part, wait until the bike is completely cool and set the Rear tire pressure to 27 psi and the Front tire to 30 psi. I weigh close to 210 pounds and it never bottoms out, the bike feels great and can take some hard roads very well, a lot better than with the recommended pressures, amazing and FREE. Try it and let me know.
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post #2 of 10 (permalink) Old 09-09-2009, 10:09 PM
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Damn... I weigh 190 and the rear bottoms out sometimes on preload #3. I like it at 12 clicks out rebound damping. Forks bottomed out at maximum preload with stock 10W oil. It's now just enough to prevent bottoming out at 3 turns away from max preload, but with 15W fork oil. (7/8 turn out rebound damping)
Tires are just right at recommended 32 front /36 rear psi.
So I'm sorry kallrish, but I won't try your amazing settings...

Last edited by invader; 09-09-2009 at 10:17 PM.
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post #3 of 10 (permalink) Old 09-09-2009, 10:12 PM Thread Starter
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Must be that my springs are still new ( 1000 miles ) and are stiffer still. I really got in some broken up roads and some pot holes and no bottoming at all.
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post #4 of 10 (permalink) Old 09-09-2009, 10:15 PM
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I had to go from #2 to #3 rear preload before long...
Your rear tire is more severely under-inflated than your front. (rear: 9 lbs low / front: 2 lbs low) Handling and stability will suffer, and they'll wear out much faster. Lower pressures might be easier on tires by letting them conform to rough rocky terrain and coarse gravel, but rim damage risk is increased.

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post #5 of 10 (permalink) Old 09-10-2009, 10:45 AM Thread Starter
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Why wont my bike bottom out even on the softest preload? I am heavier than you, could there be a difference between the bikes?? Mines a 08 model.
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post #6 of 10 (permalink) Old 09-10-2009, 03:50 PM
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Quote:
Originally Posted by invader View Post
Your rear tire is more severely under-inflated than your front. (rear: 9 lbs low / front: 2 lbs low) Handling and stability will suffer, and they'll wear out much faster. Lower pressures might be easier on tires by letting them conform to rough rocky terrain and coarse gravel, but rim damage risk is increased.
I agree. The lower pressure in the rear tire may also cause it to overheat.

From Dunlop's website;

"The excessive flexing that results from underinflation or overload causes buildup of internal heat, fatigue cracking and eventual carcass breakup resulting in complete failure. A consequence of such failure may be an accident with serious personal injury or death."
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post #7 of 10 (permalink) Old 09-10-2009, 06:18 PM
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Why wont my bike bottom out even on the softest preload? I am heavier than you, could there be a difference between the bikes?? Mines a 08 model.
I wonder... Mine's a Canadian 07. Most say their front and rear suspensions are a bit stiff. I measured my fork springs' rate and they're close to Gustavo's measurements. Our 'roads' are extremely wicked, and I don't like to slow down for large bumps and deep ruts.
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post #8 of 10 (permalink) Old 09-10-2009, 06:24 PM
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I must not pay that much attention. I weigh in at 215, never even close to bottom. Rides and handles fine at factory setting. I guess it must not take much to impress me. Speaking of tires though, i am very unhappy with my junk dunflops. Uneven wear and things like that..

Ride on V brothers.
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post #9 of 10 (permalink) Old 09-10-2009, 08:28 PM Thread Starter
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Thanks for the info E-nigma, I will definitely up the pressure a bit. I will just get used to how it is, my friend has a ZRX 1100 and that suspension really kicks you hard, so thank god for my V.
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post #10 of 10 (permalink) Old 09-11-2009, 07:29 AM
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All depends on what you are looking for in your suspension. I have always tended to run my suspensions with an eye towards handling and with less emphasis on comfort. I guess it's my motocross background. The nature of the beast with suspensions are that you are always trying to get both. Ends up being a compromise. For me, strafing the twisties is bigger priority than highway comfort. Just me, I guess.

Integrity is doing the right thing, even if nobody is watching.
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