← MS 270 · MS 280

Stihl 1133 · Section N · 13 of 18 · 41 parts

Carburetor HD-33

Fits MS 270, MS 270 C, MS 280, MS 280 C.

Position

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Parts (41)

PosPart numberDescriptionQty
1 4116 121 5100 Inlet needle 1
2 4116 121 5000 Inlet control lever 1
3 1128 122 3002 Spring 1
4 1113 121 9200 Spindle 1
5 1114 122 7400 Round head screw 1
6 1133 121 5400 Valve jet 1
7 4117 122 9402 Plug 1
8 1128 129 0906 Gasket 1
9 4116 121 4700 Metering diaphragm 1
10 1133 121 0803 End cover 1
11 1121 122 7101 Screw 4
12 4116 121 4800 Pump diaphragm 1
13 4116 129 0902 Gasket 1
14 1133 121 0802 End cover 1
15 1114 122 7100 Screw 1
16 1127 122 3205 Torsion spring 1
17 1133 120 7101 Throttle shaft with lever 1
18 1117 122 9000 E-clip 1
19 1133 121 3300 Throttle shutter 1
20 1115 122 7400 Round head screw 1
21 1133 122 3200 Torsion spring 1
22 1133 120 7201 Choke shaft with lever 1
23 1123 122 9000 E-clip 1
24 1122 121 2900 Choke shutter 1
25 1110 122 7400 Round head screw 1
26 1133 122 6200 Idle speed adjustment screw 1
27 1128 122 6703 High speed adjustment screw 1
28 1133 122 6800 Low speed adjustment screw 1
29 4203 122 3600 Sealing ring 1
31 1122 121 7700 Clamp 1
32 1127 121 5602 Fixed jet 0.58 1
33 4203 121 2700 Cap 1
34 not sold separately Spring not available as a separate item 1
35 not sold separately Pump piston not available as a separate item 1
36 not sold separately Ball not available as a separate item 1
37 not sold separately Plug not available as a separate item 1
38 9645 945 7505 O-ring 10x2.5 1
39 5910 890 4500 Puller option 1
Not numbered on the diagram — assemblies, kits and options
1133 120 0604 Carburetor HD-33 1
1133 120 9700 Pump piston kit 1
1128 007 1066 Set of carburetor parts 1

2012 service parts catalogue. Parts are not interchangeable across engine series — check yours before ordering.

Wrong number or missing part for the MS 270, MS 270 C, MS 280, MS 280 C? Report a correction →