Stihl 4237 · Section F · 6 of 14 · 35 parts
Carburetor C1Q-S225, S218, -S196, -S197, -S105, -S111, -S115C, -S116B
Fits HS 81 R, HS 81 RC, HS 81 T, HS 81 TC, HS 86 R, HS 86 T.
Parts (35)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 1123 122 3001 | Spring | 1 |
| 2 | 4116 121 5100 | Inlet needle | 1 |
| 3 | 1125 121 5000 | Inlet control lever | 1 |
| 4 | 1120 121 9200 | Spindle | 1 |
| 5 | 1120 122 6600 | Collar screw | 1 |
| 6 | 4229 129 0901 | Gasket | 1 |
| 7 | 4229 121 4700 | Metering diaphragm → replaced by 4314 121 4700, 4314 121 4700, 4314 121 4700 TI 18/2008 | 1 |
| 8 | 4237 120 2202 | Flange | 1 |
| 9 | 4226 121 2700 | Cap | 1 |
| 10 | 4140 121 0800 | End cover | 1 |
| 11 | 4226 122 7100 | Screw | 4 |
| 13 | 1129 121 4800 | Pump diaphragm | 1 |
| 14 | 1123 129 0905 | Gasket | 1 |
| 15 | 1123 121 0800 | End cover | 1 |
| 16 | 1125 122 4200 | Clamp | 1 |
| 17 | 4140 122 6200 | Idle speed adjustment screw | 1 |
| 18 | 1120 122 7800 | Oval head screw | 1 |
| 19 | 4128 121 8901 | Pin | 1 |
| 20 | 4137 121 8600 | Washer | 1 |
| 21 | 1120 122 9000 | E-clip | 1 |
| 22 | 4237 122 6800 | Low speed adjustment screw | 1 |
| 23 | 4229 122 6701 | High speed adjustment screw | 1 |
| 24 | 4229 121 2701 | Cap | 1 |
| 25 | 4237 182 9500 | Choke knob | 1 |
| 26 | 4237 121 5600 NLA | Fixed jet 0.38 | 1 |
| 27 | 1132 121 5640 | Fixed jet 0.40 | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | 4237 120 0618 | Carburetor C1Q-S225 | 1 |
| — | 4237 120 0610 | Carburetor C1Q-S197 | 1 |
| — | 4237 120 0612 | Carburetor C1Q-S218 no longer available from factory | 1 |
| — | 4237 120 0609 | Carburetor C1Q-S196 no longer available from factory | 1 |
| — | 4237 120 0604 | Carburetor C1Q-S115C no longer available from factory | 1 |
| — | 4237 120 0601 NLA | Carburetor C1Q-S105 → replaced by 4237 120 0604 TI 64/2007 no longer available from factory | 1 |
| — | 4237 120 0605 | Carburetor C1Q-S116B no longer available from factory | 1 |
| — | 4237 120 0603 | Carburetor C1Q-S111 no longer available from factory | 1 |
| — | 4229 007 1060 | Set of carburetor parts | 1 |
2012 service parts catalogue. Parts are not interchangeable across engine series — check yours before ordering. NLA = withdrawn by STIHL before 2012.
Wrong number or missing part for the HS 81 R, HS 81 RC, HS 81 T, HS 81 TC, HS 86 R, HS 86 T? Report a correction →