Originally Posted by Steve Pickford
Remove right plug, tip a little fuel down the plug hole, re-fit the pug & cap etc & see if it fires up briefly on both cylinders.
If it does, then it may well be a carb blockage as mentioned previously.
If not, then probably ignition related.
Worth trying as there's no cost except 5 minutes of time.
Lazy turd that I am, I simply shoot a bit of ether into the carb in question whilst cranking the starter. Same outcome, though, I suppose.
Non omnes qui habent quadrigae sunt auriga. - Anon
I returned, and saw under the sun, that the race is not to the swift, nor the battle to the strong, neither yet bread to the wise, nor yet riches to men of understanding, nor yet favour to men of skill; but time and chance happeneth to them all.