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Adjusting rear suspension on an 05' 400ex

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Old Aug 21, 2006 | 11:58 PM
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Default Adjusting rear suspension on an 05' 400ex

Any tips? I just can't get this thing adjusted to my likeing. When going through whoops the rear comes up so fast that it tries to buck me off. It's also very stiff for trailriding.....Too stiff.

I've messed with both adjusting screws on the rear shock and can't really tell any difference.

The quad feels like I'm riding a stinkbug.....Rear end is too high. I see that the rear shock has rings on it. If I loosen them and adjust them so that theres less pressure on the shock will this help the situation? Should lower the rear?

I'm 190lbs.

FWIW my last quad was a Mojave. I could ride that thing over 100 miles in less than 3 hrs w/o feeling wore out. My new Honda beets me to death in 5 miles.

Ideas?
 
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Old Aug 22, 2006 | 12:19 AM
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Default Adjusting rear suspension on an 05' 400ex

For the whoops you need more rebound dampening. For trail riding you need a softer spring or less compression dampening, but the softer spring (less spring preload) would be better.

You need to set the quad up for the majority of the type of riding you do. It won't be perfect everywhere, but it will be better. First, set the springs for your weight (spring preload). You want to set it up so it rarely bottoms out, but can bottom out on your biggest hit. You want to be able to use almost all your suspension travel. Then you adjust with compression and rebound dampening. If you can't adjust with preload, you might have to get new springs if your a very heavy or light rider.
 
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Old Aug 22, 2006 | 12:22 AM
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Default Adjusting rear suspension on an 05' 400ex

It's never bottomed out. Suspension Feels like it doesn't even move. Even coming off a big jump it tries to boot me off after the landing.

So can I move the rings on the shock?
 
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Old Aug 22, 2006 | 12:26 AM
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Default Adjusting rear suspension on an 05' 400ex

There should be a giant right aboce the main spring in the back, try adjusting that up so your spring has more play.
 
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Old Aug 22, 2006 | 12:29 AM
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Default Adjusting rear suspension on an 05' 400ex

Originally posted by: JLsparky7
There should be a giant right aboce the main spring in the back, try adjusting that up so your spring has more play.

Say what? Spellcheck please lol
 
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Old Aug 22, 2006 | 01:19 AM
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Default Adjusting rear suspension on an 05' 400ex

http://www.off-road.com/atv/suspension/shockadj.htm
 
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Old Aug 22, 2006 | 01:25 AM
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Default Adjusting rear suspension on an 05' 400ex

thx Wayne!
 
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Old Aug 22, 2006 | 01:41 AM
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Default Adjusting rear suspension on an 05' 400ex

Start by getting your ride height (sag) correct. Then mess with the compression and rebound damping, to fine tune the ride. If they aren't working, have you considered that the shock might be blown????
 
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Old Aug 22, 2006 | 01:43 AM
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Default Adjusting rear suspension on an 05' 400ex

Anything is possible. I don't have 30 hrs on the quad though. I'ts so uncomfortable I don't hardly ever ride it.
 
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