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Author Topic: Changing Rear Shocks (25 messages, Page 1 of 2)
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55Rad

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Posted: Sep 4, 2009 01:44 PM  (Msg. 1 of 25)         

Got some 412's on the way (11.5") and am looking into what it takes to install them. Read both the Clymer manual and the Progressive instructions. Seems pretty straight forward and I want to do it myself.

Question - I realize it's better to do one side at a time, but how do you compress the space between the mounting points to accept the shorter shock when the bike is on a jack and it's being held/supported by the stock shock on the other side?

Or am I over-thinking this? Thanks.

55/Rad
Edited by 55Rad on Sep 4, 2009 at 01:51 PM


DrAlloway

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Posted: Sep 4, 2009 02:29 PM  (Msg. 2 of 25)         

Put your bike on a lift so the swingarm is free.

Put a small jack (like from your car) under the back tire - now you can move the rear up and down easily.  Adjust it so that BOTH shocks slide off easily.  Then crank it up until BOTH new shocks slide on easily.



DMIntruder

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Posted: Sep 4, 2009 02:47 PM  (Msg. 3 of 25)         

What Dr said: swing arm free to move.  One side at a time, but I had my wife hold down at the seat while I lifted the swingarm up and attached the upper shock mount.



1997 VS1400                                                                  1988 VS1400  

Stacman

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Posted: Sep 4, 2009 04:59 PM  (Msg. 4 of 25)         

Or just do it like I do, put the bike on the lift and disconnect the top bolts of the old shocks, then take both sides off, and install the new shocks (bottom first.  The swingarm is now free, so position the tops of the new shocks near their respective mounts.  Slowly lower the lift until the rear wheel has made contact with the round.  During the lowering the tp of the shocks should be fairly close to their mounts.  Adjust the lift up or down as needed, and guide the shocks until the holes line up, and secure.

The other way is good too, but you shouldn't need the jack under the tire, or a 2x4 like some tutorials tell you.  Doing as I described, I can change both shocks in under ten minutes.


Edited by Stacman on Sep 4, 2009 at 05:00 PM


k9mall

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Posted: Sep 5, 2009 01:59 AM  (Msg. 5 of 25)         

I take mine off by SLIGHTLY jacking with the car scissor jack under the middle of the battery box. You can have them both off at the same time this way.

You are not trying to lift much weight, just extend the springs

Just don't get crazy with the wrench. and torque the bike off the jack, no matter what method you use. (I have the t-shirt   )


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Posted: Sep 5, 2009 09:32 AM  (Msg. 6 of 25)         

First time I did it I used a lift. After that I used Diane. Do one side ata time, just have a helper lift up a bit after you remove the nuts, slide the shock off then the new one on. Do the other side. No sweat.


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DrAlloway

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Posted: Oct 21, 2010 12:05 AM  (Msg. 7 of 25)         

I am looking at used shocks on ebay for my vs1400.
I want stock length which I believe = 13 inches.

I have found shocks for smaller Suzukis like Volusia, 800, Hybu, GS650 etc....

Will they work ??

I kind of assume my heavier bike has stronger shocks - but maybe not.

Anybody know for sure ?



Intruder from NEPA

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Posted: Oct 21, 2010 02:40 PM  (Msg. 8 of 25)         

Can't really remember how I did mine, but did it solo in like 15-20 mins. and that included getting AND returing the tools. Piece of cake.

CAREFUL when re-tightenting, bottom are bolts no big deal, but uppers are studs, one does not what to over tighten-n-snap one off. Someone on here did that and not fun trying to correct. The foot-lb required escapes me.  Another guy used blue-glue (loc-tight) which is a no-no or so I hear.  

Oh,,I moved the chrome acorns nut top side and the top stock nuts down. Looked way better than using the stock nut on the top for all to see.  Guess that's way they hid `em. 1st chance, swapped out the bottoms for chrome acrons.


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Posted: Oct 21, 2010 08:14 PM  (Msg. 9 of 25)         

I do mine by removing one of the shocks completely.

Mount the bottom shock bolt on the swing arm for the new shock.

1. I am big enough I just hold the bike up with one hand...push off the other shock and push on the new shock, both top bolts, they slide on and off...easiest to do with one hand.
2. ALSO have done it with a 2x4 on top of the tire with a rag so it doesn't chip the fender paint. helped as a jack to raise and lower.
3. A ratchet strap holding it up at the stock height(just support enough weight to take off the shock) then you can use a pry bar under the rear tire to raise it up enough to mount shocks.

ANY of these and the other options on the thread work, I found best to mount the shocks on the swing arm FIRST then slipping them on the upper stud. MUCH EASIER than trying to align a bolt and 3 holes quickly!


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Posted: Oct 16, 2011 06:50 PM  (Msg. 10 of 25)         

2003 VS1400, I'm 6'2" 200lbs, occasionaly ride two up with my 100lb wife.  Ordered 12" Progressive 412 with heavy duty springs.  I took a few before and after pics and some captures from my "suspension test"
progressive412install
Lowest point of travel on softest setting with my 200lb a55 jumping on it


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Posted: Oct 16, 2011 10:00 PM  (Msg. 11 of 25)         

I put the bike on the bike lift/jack.

Then jack oy up til most of the weight on off the back wheel but it is still on the ground.

Now remove both shocks. If you do it right you will find a point when all the weight is on the jack and the ground and the shocks it come right off.

Now lower the bike slowly til the new shocks line up.

Slide them on and bolt them down.

That's it you are done.


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koreric75

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Posted: Oct 16, 2011 10:24 PM  (Msg. 12 of 25)         

Quote:
PRINCEMO wrote:
I put the bike on the bike lift/jack.

Then jack oy up til most of the weight on off the back wheel but it is still on the ground.

Now remove both shocks. If you do it right you will find a point when all the weight is on the jack and the ground and the shocks it come right off.

Now lower the bike slowly til the new shocks line up.

Slide them on and bolt them down.

That's it you are done.

+1  Exactly how mine was done today, worked just fine!  Also with the progressives 412 I used the thinnest walled bushings, my shocks didn't have lock nuts/washers before, but now that it's open I'm thinking about getting lock washers and chrome cap nut/acorn nut


Eric
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Posted: Oct 16, 2011 11:28 PM  (Msg. 13 of 25)         

You can get them at home depot for a buck or less. (I'm guessing)

but the bike shop may charge you 3 to 5 bucks each


Prince

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you don't control immigration.


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koreric75

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Posted: Oct 17, 2011 07:05 AM  (Msg. 14 of 25)         

I'll check there next, tried lowes last night since it was close...got lock washers but will check home depot today.  Looking online i didn't find many that were 10x1.25 and those were pretty expensive.  honestly the bags cover that spot anyway so may just leave the ones that came with it or just get caps for them.


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DrAlloway

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Posted: Jun 20, 2012 05:12 PM  (Msg. 15 of 25)         

Installing new Progressive rear shocks 412-4218C Heavy Duty, stock height 13 inch.
on vs1400

Little help here please, look at your bike and let me know please !!

My right shock broke (piston shaft cleaved).
Bought new 412-4218C which are exactly what Progressive says are right for my bike.

Installed right shock and stepped back to compare with stock left shock.
Seemed like new Progressive was angled IN a bit more.

Installation Instructions say (and I quote)
Offset lower eye may be rotated in or out to gain clearance where required.

So I removed the bottom bolt and rotated the offset eye.
Now it looks a little bow-legged compared to stock left shock.

Neither way seems to be exactly straight lined up to perfect vertical.

So my question::
Should offset eye on bottom of Progressive shock be rotated IN or OUT ??

Could you please look at your install and see??

Have some IAers installed it one way and some the other way??
Does it make a difference ??

A minor complication::
I have ProTac riders backrest installed.  It adds about 1/4 inch to top shock mounting point.



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Posted: Jun 20, 2012 06:24 PM  (Msg. 16 of 25)         

Quote:
DrAlloway wrote:


A minor complication::
I have ProTac riders backrest installed.  It adds about 1/4 inch to top shock mounting point.

I think that is your problem Doc.
I got 11.5 HD progressives and I can turn them either way and they are still straight.


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Posted: Jun 20, 2012 08:25 PM  (Msg. 17 of 25)         

Quote:
Azazeel wrote:

I think that is your problem Doc.
I got 11.5 HD progressives and I can turn them either way and they are still straight.

+1 on the spacee for the Protrac.
Rotating the lower out gives more clearance at the bottom.....mine aren't exactly parallel, but they are symetrical and ride fine.


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Posted: Jun 26, 2012 09:56 AM  (Msg. 18 of 25)         

I have a question... the progressive website says these 11 1/2 HDs require the travel limiters (Travel limiters required: .25". Order #30-5013)  Anyone have any thoughts on this, as I don't think I have ever heard them mentioned here on IA?


Azazeel

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Posted: Jun 26, 2012 11:02 AM  (Msg. 19 of 25)         

Quote:
st pete intruder wrote:
I have a question... the progressive website says these 11 1/2 HDs require the travel limiters (Travel limiters required: .25". Order #30-5013)  Anyone have any thoughts on this, as I don't think I have ever heard them mentioned here on IA?

Travel limiters are not required for vs1400.
http://www.motorcycle-superstore.com/3/14/146/25864/DPITEM/Cruiser-Motorcycle-Shock-Absorbers-Progressive-Suspension-412-Series-Cruiser-Shocks.aspx
You can find them cheaper elsewhere but this shows you which bikes do require limiters.


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Posted: Jun 26, 2012 10:15 PM  (Msg. 20 of 25)         

Quote:
koreric75 wrote:
2003 VS1400, I'm 6'2" 200lbs, occasionaly ride two up with my 100lb wife.  Ordered 12" Progressive 412 with heavy duty springs.  I took a few before and after pics and some captures from my "suspension test"
progressive412install
Lowest point of travel on softest setting with my 200lb a55 jumping on it


Okay, now put you 'ol lady on the back and show us the results after that same test.

Yo-


I got mine, online.



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