Suspension sag

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Snakes709
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Suspension sag

Post by Snakes709 » Wed May 22, 2019 6:53 pm


Adjusted my suspension for sag. First time doing this myself. Made a few mistakes along the way but fixed it and set my front sag to 36mm. Preload adjustor seems to be out an oddly amount. Think the stock spec is 9cm? Just wanna make sure this looks right
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Re: Suspension sag

Post by stk0308 » Wed May 22, 2019 9:42 pm


I went to a local suspension specialist to get my sag set, and we ended up the same way. Front preload nearly all the way out. Rear preload all the way in. One of the driving factors was to get the bike to rise as one. Otherwise, the front was popping up quicker than the rear. Just a data point to add, I'm 225-230lbs. Same suspension specialist has my forks to rebuild now. He's going to test the front springs to get a value, and we'll adjust from there.
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Snakes709
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Re: Suspension sag

Post by Snakes709 » Wed May 22, 2019 9:57 pm


stk0308 wrote:
Wed May 22, 2019 9:42 pm
I went to a local suspension specialist to get my sag set, and we ended up the same way. Front preload nearly all the way out. Rear preload all the way in. One of the driving factors was to get the bike to rise as one. Otherwise, the front was popping up quicker than the rear. Just a data point to add, I'm 225-230lbs. Same suspension specialist has my forks to rebuild now. He's going to test the front springs to get a value, and we'll adjust from there.
I still have some preload available in the rear. Adjusted the front rebound abit stiffer, rear seemed fine so i left that alone. Im about 220 with gear on.
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Re: Suspension sag

Post by Prof J » Thu Jun 13, 2019 2:34 am


stk0308 wrote:
Wed May 22, 2019 9:42 pm
I went to a local suspension specialist to get my sag set, and we ended up the same way. Front preload nearly all the way out. Rear preload all the way in. One of the driving factors was to get the bike to rise as one. Otherwise, the front was popping up quicker than the rear. Just a data point to add, I'm 225-230lbs. Same suspension specialist has my forks to rebuild now. He's going to test the front springs to get a value, and we'll adjust from there.
'So what's, where's the calibration data? . .. and if that's (info from Kawasaki?) not right what'd be a better path to find or follow?
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Re: Suspension sag

Post by Prof J » Thu Jun 13, 2019 5:46 pm


Danham posted a link about suspension sag. I'm getting my education from you all.

viewtopic.php?f=2&t=1161&start=10#p11321
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Re: Suspension sag

Post by Burmashave » Thu Jun 13, 2019 7:25 pm


Snakes709 wrote:
Wed May 22, 2019 6:53 pm
Adjusted my suspension for sag. First time doing this myself. Made a few mistakes along the way but fixed it and set my front sag to 36mm. Preload adjustor seems to be out an oddly amount. Think the stock spec is 9cm? Just wanna make sure this looks right
I set my static sag to 40mm, and the adjuster screws are out about 11.4 mm. I'm 165 lbs, and I set it without the bags.

I have a Motool, which makes it super easy to measure static sag by yourself. Good kit. Also, instead of measuring the height the adjusters are out, I set the preload and then counted the turns to fully seated (4 turns in my case), so I won't have to monkey with a depth gauge when I readjust. Plus, counting the turns makes it easier to keep the right and left in sync.
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Snakes709
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Re: Suspension sag

Post by Snakes709 » Fri Jun 14, 2019 12:55 am


Burmashave wrote:
Thu Jun 13, 2019 7:25 pm
Snakes709 wrote:
Wed May 22, 2019 6:53 pm
Adjusted my suspension for sag. First time doing this myself. Made a few mistakes along the way but fixed it and set my front sag to 36mm. Preload adjustor seems to be out an oddly amount. Think the stock spec is 9cm? Just wanna make sure this looks right
I set my static sag to 40mm, and the adjuster screws are out about 11.4 mm. I'm 165 lbs, and I set it without the bags.

I have a Motool, which makes it super easy to measure static sag by yourself. Good kit. Also, instead of measuring the height the adjusters are out, I set the preload and then counted the turns to fully seated (4 turns in my case), so I won't have to monkey with a depth gauge when I readjust. Plus, counting the turns makes it easier to keep the right and left in sync.
Yea i counted the amount of turns out. Just found it odd the preload adjustor stuck so far out.
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Re: Suspension sag

Post by Prof J » Fri Jun 14, 2019 3:05 am


Burmashave wrote:
Thu Jun 13, 2019 7:25 pm
Snakes709 wrote:
Wed May 22, 2019 6:53 pm
Adjusted my suspension for sag. First time doing this myself. Made a few mistakes along the way but fixed it and set my front sag to 36mm. Preload adjustor seems to be out an oddly amount. Think the stock spec is 9cm? Just wanna make sure this looks right
I set my static sag to 40mm, and the adjuster screws are out about 11.4 mm. I'm 165 lbs, and I set it without the bags.

I have a Motool, which makes it super easy to measure static sag by yourself. Good kit. Also, instead of measuring the height the adjusters are out, I set the preload and then counted the turns to fully seated (4 turns in my case), so I won't have to monkey with a depth gauge when I readjust. Plus, counting the turns makes it easier to keep the right and left in sync.
Burmashave,

Ok, naive question, so with the bikes 'sag', are you able to tell the difference in the riding/handling, once you have set it?
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Snakes709
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Re: Suspension sag

Post by Snakes709 » Fri Jun 14, 2019 3:41 am


Yes, i noticed a significant difference in handling and smoothness on the roads. Small bumps and pot holes dont hurt as much as they did before. Turn in is alot crisper if you know what i mean. Best way to describe it is the bike doesnt feel as heavy.
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Re: Suspension sag

Post by Burmashave » Fri Jun 14, 2019 4:38 am


Prof J wrote:
Fri Jun 14, 2019 3:05 am
Burmashave wrote:
Thu Jun 13, 2019 7:25 pm
Snakes709 wrote:
Wed May 22, 2019 6:53 pm
Adjusted my suspension for sag. First time doing this myself. Made a few mistakes along the way but fixed it and set my front sag to 36mm. Preload adjustor seems to be out an oddly amount. Think the stock spec is 9cm? Just wanna make sure this looks right
I set my static sag to 40mm, and the adjuster screws are out about 11.4 mm. I'm 165 lbs, and I set it without the bags.

I have a Motool, which makes it super easy to measure static sag by yourself. Good kit. Also, instead of measuring the height the adjusters are out, I set the preload and then counted the turns to fully seated (4 turns in my case), so I won't have to monkey with a depth gauge when I readjust. Plus, counting the turns makes it easier to keep the right and left in sync.
Burmashave,

Ok, naive question, so with the bikes 'sag', are you able to tell the difference in the riding/handling, once you have set it?
Not a naive question at all. I can't say that I've noticed lots of difference, but I feel more confident knowing that the springs are essentially neutral in that there's the same spring travel available for compression (bumps) and extension (dips). The bike is now setup for me. Also, a neutral setting gives me a starting point for adjustments. I've picked this up more from Lee Parks book _Total_Control_ than from experience in adjusting suspensions.
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