Execution order
1. Remove the carburetor.
2. Fully retract the movable rod (see Fig. Adjusting the engine start speed on a 2E2 carburetor), and then open the throttle valve.
3. Place a measuring cup under the carburetor.
4. Smoothly open and close the first chamber throttle valve ten times, activating the accelerator pump.
5. Measure the amount of fuel in the measuring cup and divide the resulting value by ten. The result is the pump feed per cycle. The accelerator pump should feed (1.1±0.15) cm³ of fuel per cycle.
6. If necessary, adjust the performance of the accelerator pump by turning the cam, having first released the locking screw.
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