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My opposedtwin A’s are all easy starters. However, they flood easily. My starting protocol for all of them is as follows…
1) Carb needle set to 1/2 turn open
2) Open fuel shut off valve
3) Set carb lever to choke
4) Set timing lever to just a bit past center
5) Once the float rises in the bowl hold it down for 1 sec
6) Pull the rope.
Usually mine will start on the first pull, but it will immediately die if the choke lever isn’t quickly set to “run”. If it dies, give it choke again and pull the rope. If it still doesn’t start move the lever to “run” again and pull the rope. Completely close the carb needle if it doesn’t start within 5 pulls. Pull the rope until it starts. No more than two pulls in the choke position or it will flood. This works for me. I can’t guarantee it will work for you.
The coils on the A’s are usually good. You may have to check the condenser if spark is inconsistent.
Wayne
Upper Canada Chapter
uccaomci.com