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[Alan R]

Hi guys-----------SIMON, that noise from the big DUKES at idling is the over-run clutch clattering...

[simon]

What is an overrun clutch Alan? The 996 a friend of mine has doesn't do it but the Monster next door does and the guy likes to warm his bike up before leaving so I hear rather a lot of it.

[another Allan]

I think that Ariel clutches run dry. The chaincase has a separate chrome cover over the clutch which is removed for access. The chainwheel and primary chain live in the chaincase 'proper.'

[simon]

All good. I've not had an interaction with an Ariel since my brother had a Red Hunter when I was about ten. Nice bikes I told.

[Alan R]

Hi Guys----------SIMON, have a look at this...I know them as an OVER-RUN clutch but they are also called SLIPPER CLUTCHES >>>>>>>>> http://www.ducationly.com.au/ducabike_s ... lutch.html ------------ I have a HONDA CB750 HONDAMATIC which DOESN'T have one of these and you can lock the rear wheel if you change down from High range to Low range above 60 mph.... http://www.youtube.com/watch?v=x6k5aVlz504 -------------

[Nettshubby]

I believe the square 4 had the dry clutch, behind the chrome cover.

Ray.