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srmccrea91

Joined:

May 13

Posts: 2

srmccrea91 says:

rear end problem

Ive been trying to adjust my suspension settings as the bike never feels as sharp and precise/predictable as i want it to be but one serious fault ive been trying to tune out is a problem at the back end ive noticed going through fast slight bends when on the power and leaned over just a little the back end will start bobbing up and as someones jumping up and down on the end of the bike, this is at the manufacturers recommended settings tryed stiffening the damping and compression but get the same issue any advice??? 

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  • Posted 355 days ago (04 May 2013 12:20)

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fogie

Joined:

Jan 04

Posts: 743

fogie says:

errr

give us some clues?? what bike? how old is it? tyres ok?

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James600zx

Joined:

Sep 07

Posts: 2666

James600zx says:

Rear suspension.

The link below is useful.
http://www.gostar-racing.com/information/motorcycle_suspension_set-up.htm

In isolation it's a tough question because it depends on so many variables like road surface, front vs rear settings, throttle position, tyres and the riders own preferences, expectations and interpretation of what's happening.

If the rear is kicking up over bumps try reducing (softening) rear compression damping and/or increasing (hardening) rear rebound damping.

Also consider whether your shock absorber is old and worn, and if your sag is correctly set.

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srmccrea91

Joined:

May 13

Posts: 2

srmccrea91 says:

rear end

bike is a kawasaki zx6r year 2001 tyres are in good condition fairly new tyre pressure is fine too

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smidget

Joined:

Nov 07

Posts: 2311

smidget says:

Hi

As it is a 2001 model how well maintained is it?

Are all the cycle parts in good working order and to tolerance, this means front as well as rear?

e.g. Fork leg bushes, oil in forks is of correct type and of correct quantity, correct springs for your weight front and rear, wheel bearings, steering head bearings, swinging arm bearings, etc. etc. etc.

It is essential to have all these components in top condition if you are trying to setup the suspension if they are not then you are wasting your time.

What body weight are you?

Most manufacturers set the suspension for an average weight rider of 10 stones so you may need to change the springs to suit your weight.

At the top of the 'Ask an Expert' page there are some sticky threads one of which gives a little advice on suspension.

Hope that's helped you a little.

 

 

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Dabbsy

Joined:

Aug 02

Posts: 481

Dabbsy says:

up the rebound

Assuming the rest of the bike is functioning correctly, you should leave the compression alone and adjust the rebound damping on the rear shock instead. What’s happening as you accelerate is that the rear end is squatting down as the spring is compressing. But then there isn’t enough rebound damping to slow the spring down as it recovers which is giving you that pogoing sensation.

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