there was a post on here recently about repairing them cheaply using another broken one. there was a link to an aussie site with details.
 
there was a post on here recently about repairing them cheaply using another broken one. there was a link to an aussie site with details.

Going to dismantle the old one out of curiosity and will post pics if there is anything interesting
 
Ashford Engineering (the transmission people) sell used checked ones at around £75 IIRC. I'd trust them.
 

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