Hi Dunney, everything you and others have said is spot on but can I ask the obvious but sometimes forgotten bit ,thats the points. I always take the points plate out and strip clean and flatten the contact area then check the keyway and clean it finally set it accurately to 12 thou ( i think , see perfect recall !! however I'm confident someone on the forum will correct me) . Now the technical bit after you've set the timing and locked the auto advance , insert the ubiquious fag paper between the points turn mag until the paper just starts to move and put the advance cog on and tighten, I can honestly say that by using the stick as per Bills post ( I use a pencil ) I've never had an issue with timing ,my present A10 starts and runs cleanly even when left for months , as mine was last year and came to her last sunday and she started 3rd kick after 6 wks of total inactivity, to sum it up wheather you use the tech method or old way just go slow and steady ,recheck after you've finished and continue until you are happy ,the very best of luck, regards BobH