Stihl 4311 · Section A · 1 of 13 · 30 parts
Crankcase, Cylinder
Fits BT 106.
Parts (30)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 4129 020 2600 | Crankcase, fan side | 1 |
| 2 | 9380 620 2570 | Roll pin 5x12 | 4 |
| 3 | 9503 003 0240 | Grooved ball bearing 6201 | 2 |
| 4 | 9640 003 1195 | Oil seal 12x22x5 | 2 |
| 5 | 4129 020 2800 | Crankcase, starter side | 1 |
| 6 | 4129 030 0401 | Crankshaft | 1 |
| 7 | 0000 958 1222 | Shim 0.1 mm | |
| 8 | 0000 958 1223 | Shim 0.2 mm | |
| 9 | 9022 341 1070 | Spline screw IS-M5x30 | 4 |
| 10 | 4112 431 3102 | Clamp | 1 |
| 11 | 9022 341 0960 | Spline screw IS-M5x12 → replaced by 9022 341 0980 TI 3/2006 | 1 |
| 12 | 4112 036 8600 | Woodruff key | 1 |
| 13 | 4126 084 2200 | Guard | 1 |
| 14 | 4129 022 0501 | Cylinder Ø 37 mm | 1 |
| 15 | 4129 034 0500 | Piston Ø 37 mm | 1 |
| 16 | 4129 034 3000 | Piston ring Ø 37x1.5 mm | 2 |
| 17 | 4117 034 1500 | Piston pin 10x7x30 | 1 |
| 18 | 9463 650 1000 | Snap ring 10 | 2 |
| 19 | 9512 003 2340 | Needle cage 10x14x13 | 1 |
| 20 | 4129 036 8900 | Thrust washer | 2 |
| 21 | 4129 029 2300 | Cylinder gasket | 1 |
| 22 | 9022 341 0980 | Spline screw IS-M5x16 | 4 |
| 23 | 0000 400 7000 | Spark plug NGK BPMR7A | 1 |
| 24 | 1110 400 7005 | Spark plug Bosch WSR 6 F | 1 |
| 25 | 0000 998 0606 | Torsion spring | 1 |
| 26 | 1106 405 1000 | Spark plug boot → replaced by 1128 405 1000, 1128 405 1000 TI 30/1995 | 1 |
| 27 | 4129 149 0600 | Muffler gasket | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | 4129 020 1201 | Cylinder with piston Ø 37 mm | 1 |
| — | 4129 030 2000 | Piston Ø 37 mm | 1 |
| — | 4129 007 1050 | Set of gaskets | 1 |
2012 service parts catalogue. Parts are not interchangeable across engine series — check yours before ordering.
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