1082
Spur Sprocket
Power Mate® System
Small 7 (SM7)
Standard 7 (SD7)
Crankshaft Diameter
Drive Teeth
Rim
OEM
Chainsaw Model
Pitch
STIHL MS 260 MS 260 Pro MS 270 MS 270C
.325"
7
100876X 100791XSF
11892C
1121-007-1001
0.394"
MS 290 Farm Boss
.325" .325
7 8 7
11892C 11891C 18720C
1125 007 1003
0.394"
3/8"
38145XF
34162X
1125 640 2004 1125 007 1041 1125-640-2000 1125-007-1002 1128-640-2000 1128-007-1000 1128 007 1011 1128 640 2000 1128 007 1000 1128 007 1001 1125-640-2000 1125-007-1002 1128-640-2000 1128-007-1000 1128 640 2000 1128 007 1000 1128 007 1001 1122-007-1001 1122-007-1002 1106-640-2025
MS 310 MS 311 MS 360 MS 361
3/8"
7
38145XF
34162X
18720C
0.394"
3/8"
7
38470XSF
68210C
0.394"
MS 362
.325"
9 7 8 7
13624C 68210C 22273C 18720C
0.394"
3/8"
38470XSF
MS 390 MS 391 MS 440 MS 460 MS 461
3/8"
38145XF
34162X
0.394"
3/8"
7
38470XSF
68210C
0.394"
MS 441 Magnum
3/8"
7
38470XSF
68210C
0.394"
8 7 7 7
22273C 68210C 22270C 22270C
MS 650 MS 660
3/8"
35464X 35460X 10625X
0.394"
.404" .404"
S-10
0.591"
TANAKA ECS-3500
3/8" (91)
6
508038X
0.394"
WESTERN AUTO 012 014 110 112 214
3/8" (91)
6
28004
0.407"
1800 2000 3400 4010 A-18
3/8"
7 6 7 6
68210C
0.500" 0.407" 0.500" 0.407"
3/8" (91)
28004
3/8"
68210C
S25DA
3/8" (91)
28004
2025
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