Stihl 4134 · Section B · 2 of 11 · 25 parts
Rewind starter, Ignition system
Fits BT 121.
Parts (25)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 4134 080 1801 | Fan housing | 1 |
| 2 | 1110 084 9102 | Bushing | 1 |
| 3 | 4134 190 0601 | Rewind spring | 1 |
| 4 | 9104 003 0410 | Self-tapping screw P3x6 | 2 |
| 5 | 4223 084 5600 | Screw | 1 |
| 6 | 4128 195 0400 | Rope rotor | 1 |
| 7 | 0000 190 3405 | Starter grip ElastoStart Ø 3 mm | 1 |
| 8 | 0000 195 8203 | Starter rope Ø 3x850 mm | 1 |
| 9 | 0000 195 7000 | Cap | 1 |
| 10 | 0000 195 7200 | Pawl | 1 |
| 11 | 0000 958 0923 | Washer | 1 |
| 12 | 1118 195 3500 | Spring | 1 |
| 13 | 4313 967 1503 | Model plate BT 121 | 1 |
| 14 | 4134 400 1200 | Flywheel | 1 |
| 15 | 9220 260 1100 | Hexagon nut M8 | 1 |
| 16 | 4134 400 1301 | Ignition module | 1 |
| 17 | 4137 442 0400 | Insulating hose | 1 |
| 18 | 0000 998 0604 | Torsion spring | 1 |
| 19 | 4128 405 1000 | Spark plug boot | 1 |
| 20 | 9075 478 3022 | Pan head self-tapping screw IS-D4x20 | 2 |
| 21 | 9291 021 0121 | Washer 5.3 | 2 |
| 22 | 4134 432 9300 | Grommet | 1 |
| 23 | 0000 951 1100 | Screw IS-D5x20 | 4 |
| 24 | 4134 440 1101 | Short circuit wire | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | 4134 080 2101 NLA | Fan housing with rewind starter | 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 NLA = withdrawn by STIHL before 2012.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 BT 121? Report a correction →