Turn off electrical appliances (radio, light, etc.).
air damper (top carburetor choke) must be completely open, leave the air filter screwed on.
Attention! For connecting a tachometer to terminal 1 of the ignition coil (Delco-Remy) an adapter cable is required. The transitional male can be made independently. This requires a 15 cm cable with a cross-sectional area of 1.0 mm2, one round plug and one flat plug socket.
The adapter cable is connected to the lower terminal of the ignition coil (position 4).
Connect the tachometer and CO meter according to the instructions.
Remove the safety seal on the adjusting screw.
Start the engine.
Check idle speed.
Adjust the idle speed with the screw that regulates the composition of the mixture (arrow). For the required value, see the section below «Carburetor Specifications», see No. 4.49.
Attention! During adjustment, the fan should not work.
Close the adjusting screw with a blue seal.
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