Sports: Re: [DucatiST] Re: Counter shaft sprocket flat to the engine?

On 1/27/2011 7:08 PM, Robert McNabb wrote:

Hey Bob, if you get a chance, check it for me on yours. The manuals are strangely silent on this so far, at least I haven't found it. I have the flat side out right now and that's the way I've always run it. But, I just read tonight on a monster forum dealing with the same issue and someone said the raised side was out with the flat to the engine.

Robert McNabb
Blue Ridge Mountains, Virginia
ST4 1999 RED

--- On Thu, 1/27/11, Bob Marren <bmarren@bellsouth.net> wrote:

From: Bob Marren <bmarren@bellsouth.net>
Subject: Re: [DucatiST] Re: Counter shaft sprocket flat to the engine?
To: st2_owners@yahoogroups.com
Date: Thursday, January 27, 2011, 6:56 PM

On 1/27/2011 6:33 PM, Robert McNabb wrote:

You know what, I'm wondering if I've been running the sprocket flipped the wrong way.
Is the flat side to the engine?

Robert McNabb
Blue Ridge Mountains, Virginia
ST4 1999 RED

--- On Thu, 1/27/11, Bob Marren <bmarren@bellsouth.net> wrote:

From: Bob Marren <bmarren@bellsouth.net>
Subject: Re: [DucatiST] Re: Counter shaft sprocket keeper
To: st2_owners@yahoogroups.com
Date: Thursday, January 27, 2011, 6:32 PM

On 1/27/2011 6:21 PM, Robert McNabb wrote:

here is a picture of a toasted retainer. Now mine has chewed on the counter shaft also.
Worn the teeth enough where it makes contact as the sprocket tries to slide toward the case that I doubt a new retainer will last very long. So, I'm exploring a fix.
I could have a section turned out of the sprocket and cut the splines back on the shaft till square and then run two retainers. That is if two retainers would offset the sprocket enough to necessitate turning a pocket in the sprocket to not shift the sprocket inward the thickness of the extra retainer.

I also saw what I think was a better idea than this. A split retainer that consist of two
halves that when bolted to the sprocket make a tight circle on the grove for the retainer
and allows the somewhat worn splines to still keep the sprocket from sliding in on the shaft. Personally I'd think everyone should use this system if it works since the retainer is
a piss poor system as designed in my book and who wants to replace a counter shaft or worse?

Robert, the retainer is only good for about 10K then throw it away. Its made to allow some float of
the counter sprocket but eats up quick if the sprockets are not properly aligned. Look at the sprockets
to see if the chain is wearing one side more than the other. I find that the ST's are more prone to this than
the SS or Superbikes.

Bob

Let me go look, I may have to rethink that. Flat on the outside sounds better.