Repair manual

7 Disassembly/Inspection

58 Carburetor/Inspection

1. To disassemble the control side, unscrew the screws (10), carefully take off the

cover (9), control diaphragm (8), seal (7) from the needle valve set (6).

2. After the control diaphragm (8) has been removed, it must lie flat. The rounded

edge on the reinforcement plate (x) must be flat. Always replace the control dia-

phragm (8) if it is defective.

3. Unscrew the screw (11) and take off the needle valve set (6).

4. If there are signs of wear on the fuel inlet needle (see arrows), always replace

the needle valve set (6).

5. To disassemble the pump side, unscrew the screws (1), take off the cover (2),

seal (3), and pump diaphragm (4).

6. The two valve flaps (x) must lie flat on the carburetor body.

7. Replace damaged pump diaphragm (4), as this can cause starting and operation

problems.