morning Mystyler,
I found this bit on adjusting Wipac points series 161, it might be helpfull.
https://groups.google.com/forum/#!topic/uk.rec.engines.stationary/GyVPBBLTkxM

I adjusted Wipac on a British Seagul, but it was a different series.
I like to google the unknown..
cheers
speedy

........................Keep your blades sharp......................