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RE: [ST] ST transmission/chain 'catch'
- Subject: RE: [ST] ST transmission/chain 'catch'
- From: "David Pullen" <dpullen@xxxxxxxxxxx>
- Date: Sun, 7 Dec 2003 08:25:15 -0500
Thanks Jim and Ken; I'll give all of these a look today.
- Dave
- -----Original Message-----
From: owner-st@xxxxxxxxxx [mailto:owner-st@xxxxxxxxxx] On Behalf Of James
LaPoint
Sent: Sunday, December 07, 2003 7:50 AM
To: ST@xxxxxxxxxxxxxx
Subject: Re: [ST] ST transmission/chain 'catch'
Actually, you might want to check to see if the chain is too tight. We
were riding this summer with a group and one of the members reported
similar symptoms. Noisy at low speed..clunking. When we checked, the
chain was too tight. After loosening a bit, all noises went away.
Don't go by "feel" measure it.
Jim
On Saturday, December 6, 2003, at 07:36 PM, Ken Mitchell wrote:
> Not common, David, but it shouldn't be there. What I'd do right away
> if I
> were you is double check the chain for looseness, put the bike up on the
> center stand and check for tight spots (as in, does the chain need a
> lube
> job?)
>
> Next, remove the front (countershaft) sprocket cover and check to make
> certain that sprocket is fastened snugly. Do the same for the rear,
> plus the
> axle nut torque setting.
>
> The only thing in the final drive that you can't inspect without some
> disassembly would be the cush drives in the rear hub and within the
> countershaft sprocket. (That front one is the chief reason I always use
> and
> recommend Triumph OEM replacement sprockets, BTW.)
>
> With a chain drive, this area is the most frequent source of drive line
> clunks.
>
> Good luck!
>
> Ken M.
> '00 RS
> Spencer MA USA (also now buried in the season's 1st significant
> snowfall.)
>
> -----Original Message-----
> From: David Pullen
> Subject: [ST] ST transmission/chain 'catch'
>
> Hi all,
>
> In riding around today, I was reminded of an oddity in the behavior of
> my
> ST, and wanted to see if this is common or not.
>
> When I am coasting with the clutch engaged or using transmission
> braking,
> and then I start on the accelerator, there is a discernable 'clunk' and
> catch in the driveline. This is very pronounced in lower gears.
>
> I don't believe my chain is loose; there is no noticeable sag anywhere.
>
> If I have the clutch disengaged and then start on the throttle, I don't
> believe I get the same behavior.
>
> Does anyone else experience this? Is this just the nature of a
> chain-driven
> bike? This is my first, so I don't really have anything to base a
> comparison on.
>
> Thanks,
> - Dave
>
> '03 ST
>
>
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