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Motorcycle Discussions => British Bikes => Topic started by: Pete Goat on February 22, 2017, 04:01:42 AM

Title: Best Chain for 73 Norton Interstate 850
Post by: Pete Goat on February 22, 2017, 04:01:42 AM

Can anyone tell me a quality drive chain for my 1973 Norton commando interstate 850 thanks, ive been told there is not much clearance around the front sprocket.

Title: Re: Best Chain for 73 Norton Interstate 850
Post by: iansoady on February 22, 2017, 10:07:12 AM

There's no room for an O- or X- ring - in fact an ordinary heavy duty 5/8 x 3/8 chain will show witness marks on the rear of the primary chaincase.

So you're stuck with regular lubrication. Any of the well known makes - DID etc - will be fine.

Title: Re: Best Chain for 73 Norton Interstate 850
Post by: L.A.B. on February 22, 2017, 10:47:31 AM

The best non-O- or X-ring chain that will fit without any width problems is the iwis M106SL.

Available from 'Andy the chain man'.
http://www.the-chain-man.co.uk/index.html

Title: Re: Best Chain for 73 Norton Interstate 850
Post by: iansoady on February 22, 2017, 02:56:37 PM

Andy's excellent and gives good advice.