The petal play as i understand it is free play at pedal. the 3 to 5 is free play at gearbox clutch fork. adjusted on the cable. My 92 had a water controlled choke. had a problem with idling at a time and found out faulty vacume valve located left to the "hood" bumper lock + the lines to it. The symptoms were that i had to give it gas to keep running all the time cold or hot. if i losen the lid on air filter just a bit so it get small air in there it runned ok. as i remember one line from the valve was connected to airfilter house. Cant se it now becouse it burned. You can see the valve i am talking about in this photo. Love the vid on youtube, but it sounds like its a bit of time one ore tvo nods or so or somthing stuck in ignition.