Chrysler 20 and 30 HP Outboard Motors Service Manual OB 3435, Page 47Get this manual
3With piece of paper in air horn of carburetor, close choke shutter fully against the piece of paper by pushing on choke shutter with finger 4Securely tighten swivel screw5To check for proper shutter closing, keep paper in air horn of carburetorWith screwdriver, press choke plunger into solenoid and hold it there Figure 17 Figure 15Loosening Choke Swivel Screw
2Slip piece of paper approximately 1 inch wide in carburetor air horn Figure 16
Figure 17Checking Choke Shutter Position
The paper thickness insures the right clearance between choke shutter and air horn so that shutter will not stick in closed position