The Negative Affects of.... (Geo-Question) - Kawasaki ZX-10R.net
 
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post #1 of 5 Old 06-29-2012, 08:43 AM Thread Starter
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The Negative Affects of.... (Geo-Question)

I've searched and could Not come up with much on this Question.

What are the Negatives Affects to---

Raising the Rear of the bike:
Rasing the Front of the Bike:

?
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post #2 of 5 Old 06-29-2012, 10:01 AM
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Dave Moss is the man when it comes to this stuff as he explains it in ways that make sense, so check out his posts on youtube.

Short form: if you are doing these adjustments independently, the Max Macalister rule of thumb is a change to the front will affect the front 5 and the rear 1 and vice versa. Raising the front tends to add stability (increased rake) but can slow down steering (a lot!). Raising the rear tends to help the bike finish the corner but it puts more weight on the front, causing more weight shift under braking (taken too far the rear lifts off ground under braking too easily). Adding shock length increases swingarm angle which is good but there is a range of effectiveness. Dave Moss says 11.5 to 13.5 degrees after that the swingarm will try to tuck under itself leaned over on the power. It gets a little more complicated if you are doing both together, as you may need to do if you are running oversized race tires. On the 06-07 GSXR 600, people would add extensions to the forks, after gaining height from the tire and some more from fixing the swingarm angle there was just not enough fork length to get a decent amount of trail.

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post #3 of 5 Old 06-29-2012, 10:05 AM
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Quote:
Originally Posted by tampazx View Post
I've searched and could Not come up with much on this Question.

What are the Negatives Affects to---

Raising the Rear of the bike:
Rasing the Front of the Bike:

?
It will change the handling characteristics. When the front-end is lower, the bike will feel more twitchy. (Changing the fork length will change the wheelbase.)

There is some info here as well:
http://the910ths.com/Manuals/04-05%2...t%20Set-up.pdf
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post #4 of 5 Old 06-29-2012, 10:31 AM
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Think of it as simply as this...if rear sits lower your riden a chopper type of handleing...if you drop the fork its still a sport bike but twitchy as already said..Unless your a short ass like me,dont change anything from factory set up(other that suspension set up)
Only change i would do is maybe a lil preload in the front to drop it(same as pulling forks through tripples a lil)or go from a 50 to a 55 rear tire,same affect..
If you feel the need to lower,do the same amount for both..

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post #5 of 5 Old 06-29-2012, 10:58 AM
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Quote:
Originally Posted by El Zilcho View Post
It will change the handling characteristics. When the front-end is lower, the bike will feel more twitchy. (Changing the fork length will change the wheelbase.)

There is some info here as well:
http://the910ths.com/Manuals/04-05%2...t%20Set-up.pdf
Excellent info!! Thanks! Rep sent

-Josh

Just a Playa In Management Position
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