STIHL Parts & Spec Guide Unofficial
← 044/046 · MS 440/460/461

Stihl 1128 · Section M · 12 of 16 · 37 parts

Carburetor HD-8A, HD-9A

Fits 046.

Position —

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Parts (37)

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 4117 122 9402 Plug 1
7 1128 121 5602 Fixed jet 0.70 → replaced by 1128 121 5603 TI 47/1997 1
8 1128 129 0906 Gasket 1
9 4116 121 4700 Metering diaphragm 1
10 1128 121 0801 End cover 1
11 1121 122 7101 Screw 4
12 1114 121 7800 Strainer 1
13 4116 121 4800 Pump diaphragm 1
14 4116 129 0902 Gasket 1
15 1127 122 3205 Torsion spring 1
16 1127 120 7100 Throttle shaft with lever 1
17 1117 122 9000 E-clip 1
18 1128 121 3302 Throttle shutter 1
19 1115 122 7400 Round head screw 1
20 1127 122 3200 Torsion spring 1
21 1127 120 7200 Choke shaft with lever 1
22 1123 122 9000 E-clip 1
23 1122 121 2900 Choke shutter 1
24 1110 122 7400 Round head screw 1
26 1127 122 6200 Idle speed adjustment screw 1
26 1127 121 0800 End cover 1
27 1114 122 7100 Screw 1
28 1128 121 5403 Valve jet 1
29 1127 122 6700 High speed adjustment screw 1
30 4116 122 6800 Low speed adjustment screw 1
31 4116 122 3001 Spring 2
33 1128 122 7101 Screw 1
34 1128 122 9301 Clip 1
35 1128 121 8602 Washer 1
36 1128 121 8603 Washer 1
Not numbered on the diagram — assemblies, kits and options
— not sold separately Carburetor HD-8A no longer available from factory 1
— not sold separately Carburetor HD-9A no longer available from factory 1

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

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