| 1. To remove the carburettor and to substitute under it a beaker. |
| 2. To take away the lever from the automatic starting arrangement and to fix it in this position, having inserted a core in diameter of 12 mm between the lever and the carburettor case. |
| 3. Smoothly ten times completely to open and close throttle flap the first chamber, putting it in action the accelerating pump. |
| 4. To measure quantity of fuel in a beaker, the received value to divide into ten. The result is pump giving for one cycle. For one cycle the accelerating pump should submit (0,82±0,12) fuel sm3. |
| 5. If it is necessary to adjust productivity, slightly turn in the lever (fig. of the Detail of carburettor Keihin see) in a fastening place slide springs. |