STIHL Parts & Spec Guide Unofficial
← MS 362 · 311/391 · MS 400

Stihl 1140 · Assembly · 6 of 13 · 26 parts

Cylinder, Muffler

Fits MS 391.

Position —

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Parts (26)

PosPart numberDescriptionQty
1 1140 020 1204 Cylinder with piston Ø 49 mm 1
2 1140 020 1202 Cylinder with piston Ø 49 mm 1
3 1140 030 2008 Piston Ø 49 mm 1
4 1140 034 3001 Piston ring Ø 49x1.2 mm 2
5 1122 034 1500 Piston pin 12x8x33 1
6 9463 650 1200 Snap ring 12x1 2
7 9512 003 3061 Needle cage 12x15x15 1
8 1140 022 9500 Spline screw IS-M6x25 4
9 1135 020 9400 Decompression valve 1
10 1140 030 0401 Crankshaft 1
11 9523 003 4304 Grooved ball bearing 15x38x11 2
12 9639 003 1585 Oil seal 15x25x5 2
13 9638 003 1581 Oil seal 15x25x5 option 2
14 9455 621 1520 Circlip 15x1 1
15 1140 149 0600 Muffler gasket 1
16 1140 140 0657 Muffler 1
17 1135 145 9002 Plug 2
18 1140 140 8100 Spark arresting screen 1
19 9039 448 0656 Self-tapping screw M4x9.6 1
20 9022 341 0983 Spline screw IS-M5x16 Micro-encapsulated with binding thread 2
21 1140 145 0802 Exhaust casing 1
22 1140 141 9001 Screen 1
23 9022 341 0911 Spline screw IS-M5x6 Micro-encapsulated with binding thread 4
24 1140 141 3202 Cooling plate 1
25 1140 140 0651 Muffler 1
26 0783 830 2000 Tube of sealant HT red option 1

Parts are not interchangeable across engine series — check yours before ordering.

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