Saving Old Seagulls

Hi iam am having trouble with my model 90 it would not start so checked all i could i clamped the spark plug in to the clamp for earth and could not get a spark of any sort any help appreciated as had just got 3 cans of fuel and about to take our first good trip up the Cleddau.

Hi I have a damaged thottle cable on a model 90 (ENFRL) and have removed the carb top and the changer but cannot see how to release from the carb end.