I bought one of these new from Frasers in Newcastle back in the day,
i absolutely loved it...
it was a wee bit tall for me but the motor was a pretty strong thing...
and the harder i rode it, the better it handled...
front brake was about as strong as a Duck lifting a train
and the rear brake pedal hinged on a pin cast into the clutch cover and mine broke in a crash that needed a redisign
i reckon a disc front end on one of those and they'd make a real nice pre~85 bike