Rear Suspension Trouble---PLEASE HELP!!!





coop65sr

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#1
I seriously need some help here .org family.....

I am having trouble with my rear suspension. I have lowered it just a little with dogbones. I did the Jinksters suspension setup( I am not blaming Jinkster in ANY way)- this consisted of adjusting the rear as follows: adjusted spring tension DOWN two full turns, adjusted the compression from 0 out to 7 clicks, the rebound from 0 out to 10 clicks....That worked well for me riding single, but I guess it maybe is not right for riding two people....

My wife is about 115 lbs. and I'm about 200 lbs.- I don't know when the rear tire started to rub--I couldn't hear it rubbing at anytime..But apparently the suspension was too soft at this adjustment. I noticed that the tire had evidently rubbed a hole just under where the tool bag is held down (and slightly behind there too). It was evident that the tire was what had caused this.

I tried to adjust the spring down 4 more turns to see if that would keep the tire from rubbing any more...It still is rubbing.. Next I tried to adjust BOTH the compression and rebound adjusters---adjusted them in to make them stiffer..still rubbing.

So, I started BACK at zero...went back to factory settings I had marked BEFORE I ever started the Jinkster settings...
Then I ONLY adjusted the compression and rebound settings in again to try and stiffen things up... It seemed to help some but I STILL think that I heard it rub a little bit when we hit some rough spots in the road when riding today..... What can I do to ENSURE that I can get enough clearance to not have to worry about the tire continuing to rub worse...You know it's damaging the stock undertail by rubbing the plastic and I know it is hurting the tire some too...I need a fix to not have to worry about the condition of the tire===I don't want to have a blowout--especially with my wife on there with me...can someone help??? Thanks in advance....Chris

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heavybusa

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#2
My first response is stiffen that rear up.

I have you out weighed by atleast 100lbs and I have no issues

Are you running the stock tire? Is your rear shock good?
 

coop65sr

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#3
Heavybusa...

I'm running my stock tire still...the bike is an '06 I just bought in July...I have about 7700 miles on it so far... I supposed that the rear still should be good....I have just bought a new Avon Viper Sport--waiting on it to come in...but everything should still be working as new...only little over two months old....!!!
 

BigBSBusa

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#5
I would recheck those settings or the shock because you shouldn't be rubbing. I don't do a lot of 2-up stuff, but I am bigger than you and had passengers in the 135 lb. range without any rubbing of the rear.
 

heavybusa

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#7
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I'm with BigBSBusa, you have to stiffen that rear suspension up.

If I'm not mistaken the Jinkster is for single rider mid range weight canyon carving, I know you said you went back to the stock lines but now you need to stiffen things up.

You do not need to move the spring, use the adjuster screw

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yamahor

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#9
(heavybusa @ Oct. 02 2006,07:05)
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I'm with BigBSBusa, you have to stiffen that rear suspension up.

If I'm not mistaken the Jinkster is for single rider mid range weight canyon carving, I know you said you went back to the stock lines but now you need to stiffen things up.

You do not need to move the spring, use the adjuster screw

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Actually... You DO need to tighten the spring preload. Move the preload UP ALOT!! (Up means when you adjust the nuts on the shock/spring, they move downward). I'm 350+ and ride 2 up with some girls, and I never have problems with it... of course, I'm actuall lifted an inch in the rear... lowered, I wouldn't ride 2 up, but that me with my weight. If I were you, I'd have a friend watch the tire with you and the wife on the bike. Bounce up and down on it to simulate a few moderate to large bumps, and see if the tire rubs...
 

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