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post #1 of 35 (permalink) Old 06-04-2012, 06:50 PM Thread Starter
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to raise not lower

well i know everyone seems to want to lower the bike down but not me as i think my frame or swingarm might be tweaked a bit cuz there is more room between the tire and the frame on one side than the other .

and as i am 300 and the wife is big too and my stock shocks are weak i think i need to stiffin and raise the rear a bit

hell when i hit a few bumps or big road dips by myself i feel the tire bottom down or at least i think i do and my shocks are set on the highest preload notch too

and with the 170 on it it dont take much to do it

so what shocks would be the best to use to raise and stiffen the rear up?

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post #2 of 35 (permalink) Old 06-04-2012, 08:48 PM
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Got any air in them ? Also, more air in one will cause a lil sideways action (happened to me) even though it shouldnt. I suggest joining the 2 air valves to a "tee", that way both can be filled equally.



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post #3 of 35 (permalink) Old 06-04-2012, 09:03 PM
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I don`t know of any longer shocks for the vn750, or if it is even possible to mount longer rear shocks on it.
I still have Ma Kaw`s stock shocks on my scoot, but I believe these Progressive shocks are a big improvement over the stock Kawi shocks.
http://www.progressivesuspension.com...ies/index.html
Click on "what fits my bike" and fill in the info. You will get this chart:
http://www.progressivesuspension.com...41&modelID=452

The 412 series are the most economical at $300 per pair.
I would get the stock length 12 1/2" Heavy Duty model, high lighted in yellow.

The maximum recommended load on the vn750 is 397 lb.
At 300 lb, you and I are about the same size Tofer.
My wife is also too big to ride with me, even if she wanted to, which she doesn`t.
The biggest passenger I can comfortably carry weighs under a hundred pounds.

Gordon

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post #4 of 35 (permalink) Old 06-04-2012, 09:07 PM
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Quote:
Originally Posted by Wolfie View Post
Got any air in them ? Also, more air in one will cause a lil sideways action (happened to me) even though it shouldnt. I suggest joining the 2 air valves to a "tee", that way both can be filled equally.
You may be able to get one off those connections that they use on the double tires on an 18 wheelie.

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post #5 of 35 (permalink) Old 06-04-2012, 09:08 PM
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Quote:
Originally Posted by Wolfie View Post
Got any air in them ? Also, more air in one will cause a lil sideways action (happened to me) even though it shouldnt. I suggest joining the 2 air valves to a "tee", that way both can be filled equally.
How to do that care of Gadgets fix-it pages:
http://www.gadgetjq.com/airshockbalance.htm

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/showthread.php?t=9127

Last edited by OlHossCanada; 06-04-2012 at 09:11 PM.
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post #6 of 35 (permalink) Old 06-04-2012, 09:17 PM
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What air pressure are you running in those bad boys? Might want to give them some if you haven't.

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post #7 of 35 (permalink) Old 06-05-2012, 07:35 AM
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Quote:
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What air pressure are you running in those bad boys? Might want to give them some if you haven't.
Usually 10% of the combined weight of rider and passenger. My combined weight is 305 pounds and 28 pounds pressure works best for me. Ma Kaw says exceeding 71 pounds pressure will blow the seals.

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post #8 of 35 (permalink) Old 06-05-2012, 07:45 AM
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More air is not the answer, nor is a longer shock.

You need stiffer springs. CALL Progressive and tell them how much you weigh (with gear) and they will build you a set of shocks with the proper spring rate and dampening for your size.

You'll be amazed at the difference.

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post #9 of 35 (permalink) Old 06-05-2012, 01:44 PM
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I run em at 25psi +/- and Im light, but being an '85, my springs are shot, so I compensate with air.
One thing I dont like about shorter shocks, is that it changes the frame geometry same as an extended fork, or raked tripple trees would do. IMO, if you change the rear, you should change the front as well (ie lower it or rake it).



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post #10 of 35 (permalink) Old 06-05-2012, 07:38 PM Thread Starter
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it must be just my bike but not all vulcans have air shocks. and i dont so adding air wont help.

MOST ECONOMICAL?!?! AT $300? no thank you im not putting that kind of money into shocks for a bike
i can pick up electraglide air shocks for half that and bolt them right on

i actually think that the PO laid it down cuz the clearance between the tire and frame (right behind the upper shock bolt) is double the space on the brake side as the clutch side
therefore the oversize tire rubs on big bumps and when 2 up
so i figure id raise just a hair and stiffen it up

http://map.vulcan750.net/

VROC# 33976
1994 VN750

MODS SO FAR:
honda shadow 750 sissybar
ear shaved, K&N pods
142/42 jets, Cobra pipes
oversized tires, vn800 seat
vn750 rad cover, Tank bib
custom mirrors, gel battery
led dash lights, led tail light
led plate light, chrome levers
horn relocation, custom voltmeter
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