Stihl 4140 · Section G · 7 of 15 · 38 parts
Carburetor C1Q-S202, C1Q-S93
Fits MM 55, MM 55 C.
Parts (38)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 4140 120 7102 | Throttle shaft with lever | 1 |
| 2 | 4180 122 3000 | Spring | 1 |
| 3 | 4128 121 8900 | Pin | 1 |
| 4 | 4137 121 8600 | Washer | 1 |
| 5 | 1120 122 9000 | E-clip | 1 |
| 6 | 4229 121 3303 | Throttle shutter | 1 |
| 7 | 1125 122 7403 | Round head screw | 1 |
| 8 | 1125 122 9001 | E-clip | 1 |
| 9 | 1129 121 4800 | Pump diaphragm | 1 |
| 10 | 1123 129 0905 | Gasket | 1 |
| 11 | 1123 121 0800 | End cover | 1 |
| 12 | 1120 122 7800 | Oval head screw | 1 |
| 13 | 4116 121 5100 | Inlet needle | 1 |
| 14 | 1120 122 3004 | Spring | 1 |
| 15 | 1125 121 5000 | Inlet control lever | 1 |
| 16 | 1120 121 9200 | Spindle | 1 |
| 17 | 1120 122 6600 | Collar screw | 1 |
| 18 | 4229 129 0901 | Gasket | 1 |
| 19 | 4180 121 4700 | Metering diaphragm | 1 |
| 20 | 4601 120 2200 | Flange | 1 |
| 21 | 4140 122 7100 | Screw | 4 |
| 22 | 4229 122 6701 | High speed adjustment screw | 1 |
| 23 | 4229 122 6800 | Low speed adjustment screw | 1 |
| 24 | 1123 121 7800 | Strainer | 1 |
| 25 | 4140 121 0800 | End cover | 1 |
| 26 | 4226 121 2700 | Cap | 1 |
| 27 | 4140 122 6200 | Idle speed adjustment screw | 1 |
| 28 | 1125 122 4200 | Clamp | 1 |
| 29 | 4229 121 2701 | Cap | 1 |
| 30 | 4228 121 5602 | Fixed jet 0.39 | 1 |
| 31 | 1120 121 7801 | Strainer | 1 |
| 32 | 1137 120 9704 | Pump piston kit | 1 |
| 33 | 4180 121 5800 | Pump piston | 1 |
| 34 | 1132 122 3600 | Sealing ring | 1 |
| 35 | 4180 122 3002 | Spring | 1 |
| 36 | 1120 121 7800 | Strainer | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | 4601 120 0600 | Carburetor C1Q-S202 | 1 |
| — | 4140 120 0609 | Carburetor C1Q-S93A no longer available from factory | 1 |
2012 service parts catalogue. Parts are not interchangeable across engine series — check yours before ordering.
Wrong number or missing part for the MM 55, MM 55 C? Report a correction →