Actually, there's no automatic choke but rather a manually activated enrichener system.
It's a very simple system: it take fuel/oil mix from the top carb bowl and dump it right into the crankcase (it's gravity fed). To test it, disconnect the line that goes to the crankcase and activate it through the elec. switch on the remote control (push on key) or manually by pressing the push switch under the enrichener (it's a 2 inch cylinder located behind the throttle linkage), you should see fuel/oil mix flowing.
val,the choke isnt automatic,its a primer system on that engine.take the cover off,turn the key to the 1st position,push it in and you should hear a click from the primer on the engine.hope that helps
