← MS 231 · 241 · 251

Stihl 1143 · Assembly · 12 of 17 · 18 parts

Oil pump, Clutch

Fits MS 231, MS 231 C-BE, MS 231 C-BE Z, MS 231-Z.

Position

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Parts (18)

PosPart numberDescriptionQty
1 1143 640 3201 Oil pump 1
2 1143 647 9403 Hose 1
3 9075 478 3016 Pan head self-tapping screw IS-D4x16 2
4 1123 640 7102 Worm gear 1
5 1123 647 2400 1123 160 2050 Spring Clutch 1 1
6 1121 162 3201 Carrier 1
7 1129 162 0800 Clutch shoe 3
8 1127 162 3000 Retainer 3
9 0000 997 5515 Tension spring 3
10 1121 162 1001 Cover washer 1
11 9512 933 2260 Needle cage 10x13x10 1
12 1143 640 2000 Chain sprocket 3/8" Picco 6T 1
13 1143 640 2002 1123 640 2007 1143 007 1002 Chain sprocket 0.325" 7T Chain sprocket 1/4" 8T (A,B) Rim sprocket kit 3/8" Picco 7T option 1 1 1
15 0000 642 1240 1143 007 1003 Rim sprocket 3/8" Picco 7T Rim sprocket kit 0.325" 7T option 1 1
16 0000 642 1236 1143 007 1004 Rim sprocket 0.325" 7T Rim sprocket kit 0.325" 8T option 1 1
17 0000 642 1234 Rim sprocket 0.325" 8T option 1
18 0000 958 1022 Washer Ø 27 mm 1
19 9460 624 0801 E-clip 8x1.3 1

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

Wrong number or missing part for the MS 231, MS 231 C-BE, MS 231 C-BE Z, MS 231-Z? Report a correction →