Question about 2003 Triumph Thunderbird Sport

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Loud clack on shutdown

Finally got my 95 TB running with the help of some gurus on the site. Tip: if you cannot find the duckbill filter, do not assume the PO removed it... Now maybe I can solve the sound that it was making months ago when it last ran. The bike starts fine, runs good. UNTIL you turn it off. Then the last mechanical sound it makes sounds like someone hammering on the case (left side) internal with a hammer. It does NOT make this sound when starting. Can the sprag only make a racket upon shutdown? Maybe another hint: my spare TB makes a lot less mechanical noise when running. It also does not exhibit the CLACK upon shutdown.

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Unfortunately it is probably the Sprag Clutch. My '95 did that for a while. Then it got worse and started making the noise during starting.

Posted on Nov 10, 2008

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