Graham, what have you changed since it last ran OK?
If you removed the carb to strip it, are you quite sure the new joint to manifold is airtight? A small air leak here will kill starting.
p.s. 1/16" plug gap? I would have used 20 thou; but I doubt this is your problem.
If you removed the carb to strip it, are you quite sure the new joint to manifold is airtight? A small air leak here will kill starting.
p.s. 1/16" plug gap? I would have used 20 thou; but I doubt this is your problem.