1pc * Thrust bolt kit;OEM:1106 640 6000
1pc * O-ring 4x1;OEM: 9646 945 0150
1pc * Circlip 6x0.7;OEM: 9468 621 0330

1pc * Thrust bolt kit;OEM:1106 640 6000
1pc * O-ring 4x1;OEM: 9646 945 0150
1pc * Circlip 6x0.7;OEM: 9468 621 0330
The issue may be caused by an incorrect fuel mixture, spark plug problems, or a clogged carburetor.