| 1. Remove from the carburetor the block with the piston, a diaphragm and a jet needle. |
| 2. From lateral face of the piston weaken the screw and take a jet needle (see drawing). |
| 3. Check a condition of a needle of a jet. If on it there are pollution, wash out a needle in the corresponding solvent. Thus do not damage a needle. If the needle is worn-out, replace it. |
| 4. Establish a needle in the piston so that the plastic plug was combined with the piston case, and fix a needle the screw. |
| 5. Establish the piston block with a jet needle in the carburetor case. |