Hello Paul and Max,

The 400 was made as as chain and then as a belt drive.

You mention 'sprocket' which indicates the earlier mower.

A parts list is here: -
https://www.outdoorking-forum.com.au/forum/u...rison-the-olympic-reel-mowers-c1962.html

Max has also posted some info.

I am not aware of any Morrison manual,
but a Masport manual may help [attached].

Any images will help here.

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Jack

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Last edited by CyberJack; 30/05/21 08:42 PM.