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 Post subject: lowering my 907
PostPosted: Sun Apr 15, 2018 6:38 pm 
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Joined: Sat Feb 05, 2005 12:00 am
Posts: 19
Location: USA
model: 906 Paso
year: 1990
Hello everyone,
I bought a 907ie last season to go along with my 906. Problem is I can't flat foot the 907. I believe I can lower it ( I need no more than an inch ) by adjusting the rear shock preload. Am I correct, if so I believe I need to tighten the spring around the shock......
Your expertise on this is greatly appreciated :-)


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 Post subject: Re: lowering my 907
PostPosted: Mon Apr 16, 2018 12:55 pm 
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paso grand pooh-bah

Joined: Thu Jun 21, 2007 12:00 am
Posts: 1426
Location: Gothenburg, SWEDEN
model: 907 I.E.
year: 1991
Lowering an inch rear-tricky.
Suspension system rear can`t be lowered if you don`t have a shock w adjustable ride height.
Softening spring preload too much will give you a mushy and unstable ride.
Front forks can be lowered by raising fork legs 10mm above normal flush position.
Get a spring for your weight rear and lower saddle, you could gain around 10 mm there.

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Gert

907 I.E. -91
M900 -97


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 Post subject: Re: lowering my 907
PostPosted: Mon Apr 16, 2018 3:45 pm 
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Joined: Sat Feb 05, 2005 12:00 am
Posts: 19
Location: USA
model: 906 Paso
year: 1990
Thanks for the speedy reply, my 907ie has the factory shock, does that help ?

Rich


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 Post subject: Re: lowering my 907
PostPosted: Mon Apr 16, 2018 5:46 pm 
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paso grand pooh-bah
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Joined: Sun Jul 18, 2004 12:00 am
Posts: 5164
Location: southern Germany
model: 750 Paso
year: 1987
No it doesn't. As Gert said to adjust ride height you'd have to have a shock that has an adjustment option to make it longer or shorter.
If you increase or decrease spring preload the shock will always have the same overall length. What will change is the sag. Decreasing spring load will increase the shock's sag meaning that if you'd then get on the bike it would come a little lower but at the same time the spring will become "softer". Adjusting preload is just to set the sag/suspension travel correctly not ride height.
Some bike's ride height can be changed by replacing the arms of the swingarm/shock linkage with ones of a different length. Maybe that is also possible for the 907ie. Never really gave that a thought as it would change also leverage ratio. Of course that would require machining parts.


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 Post subject: Re: lowering my 907
PostPosted: Tue Apr 17, 2018 7:25 am 
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Joined: Fri May 01, 2015 9:31 pm
Posts: 82
Location: Australia
model: 907 I.E.
year: 1991
Are you especially light as well as short legged? if so then reducing the preload won't be as much an issue as it might be...

but also you should find that you don't really need to flat foot the bike on both sides... i know that very cambered roads can be challenging. If you can get a few mm between the front (forks) and rear you might find that that's all the difference it takes.

Otherwise you need to change the rear links which will change the ratio of the suspension but have the same shock travel so you don't have as much impact as you might think on the suspension. I've done this to a number of adventure bikes and dirt bikes for my dear lady wife without impacting much in the way of performance (she is faster than me anyway). The only problem is that no-one will have an off the shelf link for the Paso these days... if this was the Suzuki DRZ forum it would be a different story.


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 Post subject: Re: lowering my 907
PostPosted: Tue Apr 17, 2018 5:01 pm 
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Joined: Sat Feb 05, 2005 12:00 am
Posts: 19
Location: USA
model: 906 Paso
year: 1990
I may be using the wrong words here. My shock has the 2 nuts at the top. There is a sticker that I don't really understand. It looks like settings for 2 and another for 2 people + baggage. The problem is I have osteoarthritius in my hips,shoulder and back. I can't seem to get my feet on the ground quickly enough. I dropped the bike on each side last year and don't want to that again :-(


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 Post subject: Re: lowering my 907
PostPosted: Tue Apr 17, 2018 7:59 pm 
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Joined: Sat Dec 26, 2015 2:41 pm
Posts: 39
Location: Switzerland
model: 907 I.E.
year: 1992
Get your saddle worked out by a specialist to get it lower. You can win a few cm. But do not play with the geometry of the bike. That can be dangerous.


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