2003 Sprint ST rear shock rebound damping question - Triumph Forum: Triumph Rat Motorcycle Forums
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Maintenance & Workshop Talk The central area for general maintenance, trouble-shooting and modifications ------------ (Other technical forums on the site are model specific)

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Old 02-21-2005, 09:34 AM   #1 (permalink)
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I was checking the adjustment of the rebound damping on my shock and again failed to differentiate between my left and right. Anyway, I got under the bike and started turning the screw on the LEFT side of the shock, screwing it in and out like a maniac. I have no idea what that screw adjusts, the rebound damping adjustment is a screw on the RIGHT side of the shock. I have no idea what the left side screw does or where it is suppose to be. I did notice that it will bottom out against the screw that does the adjusting. If I screw the real adjuster in all the way and go to the other side and adjust that screw in all the way I cannot screw the adjuster out until I back off the left side. If I then back the adjuster out 1 turn I can adjust the left side in an additional turn. Anybody know what the screw is for on the left side and where should I have it set? The factory manual and owner's manual make no mention of it. It does have one of those green paint dots on it that they put on screws at the factory so the setting must be important.
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Old 03-09-2005, 08:16 PM   #2 (permalink)
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I just took a look at my ST and the screw on the left side is pretty much flush with the shock body. My guess would be if you tune it out flush and take a punch and lightly stake it that it will be OK. Then go to the right side, the exhaust side and make your preload adjustment as stated in the manual.
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Old 03-10-2005, 03:05 AM   #3 (permalink)
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Hold up a bit. Let's get left and right squared away. This is on the ST, right?

Sitting on the bike facing forward. On the left side under your fanny is a hole through the frame. I believe that's the preload adjuster.

Turn that in gently all the way. Then count the "CLICKS" back out. Around 9-12 should be a place to start.

The other one on the right side-Exhaust Side. is I think the rebound adjuster. That's very limited and I think about 1- 11/2 turns. Can't remember as I'm out of town.

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Old 03-10-2005, 10:02 AM   #4 (permalink)
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Hi Don

You are right my mistake. I used the wrong term for the adjuster. I meant to say rebound for the adjuster on the lower right side of the shock by the exhaust. Yes the one on the left side top of the shock threw the little hole in the frame is the preload. And yes I have an ST though it is an 04 but that makes no difference, all the ST's 99 to 04 have the same shock.

The left side lower screw opposite of the rebound adjuster is just a plug from what I understand. But I would bet if it is tuned in that it wold affect the rebound circuit of the shock and obviously the ability to adjust the rebound.

Your beginning adjustments sound right as well. I have had an 02 and 04 ST and had the shock replaced on the 04 due to a seal failure and the thing is I had to use a different set of adjustments on each shock. Go figure, you would think that with mas-production and all that once I had found settings on one I would be good to go.

In general I like a little lower preload 14 clicks. And tighter rebound 1-1/8 to 1-1/4 out. But I ride solo. I have yet to find the sweet spot for when I have the bags on. I have tightened up the rebound an 1/8 and upped a couple of clicks on the preload but the bike still gets a little bouncy in the tighter turns. But some of that could be coming from up front too.

Well have fun sorting things out.

Mark

[ This message was edited by: sprinting on 2005-03-10 09:17 ]
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