Stihl MS261 chain size

Chainsaw drawing: the bar and chain are the parts this page is about

The chain for your Stihl MS261

Which bar is on your saw?

Which chain is on it now?

16" bar

Pitch: 3/8"
Gauge: .050"
Drive links: 60

Oregon D60
Same as Stihl 33RS3, Husqvarna H80
File 7/32"

16" bar

Pitch: .325"
Gauge: .063"
Drive links: 67

Oregon L67
Same as Stihl 26RM3
File 3/16"

18" bar

Pitch: 3/8"
Gauge: .050"
Drive links: 66

Oregon D66
Same as Stihl 33RS3, Husqvarna H80
File 7/32"

18" bar

Pitch: .325"
Gauge: .063"
Drive links: 74

Oregon L74
Same as Stihl 26RM3
File 3/16"

20" bar

Pitch: 3/8"
Gauge: .050"
Drive links: 72

Oregon D72
Same as Stihl 33RS3, Husqvarna H80
File 7/32"

20" bar

Pitch: .325"
Gauge: .063"
Drive links: 81

Oregon L81
Same as Stihl 26RM3
File 3/16"

Bar mount D025

Buy this chain

Oregon D60, 60 drive links

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Check pitch, gauge and drive links on the listing before you order. How this works

All bar lengths for the Stihl MS261

Chain for each bar length
Bar	Pitch	Gauge	Drive links	Chain
16"	3/8"	.050"	60	D60
16"	.325"	.063"	67	L67
18"	3/8"	.050"	66	D66
18"	.325"	.063"	74	L74
20"	3/8"	.050"	72	D72
20"	.325"	.063"	81	L81

The Stihl MS261 chain depends on the bar. 16" bar: 3/8", .050", 60 drive links; 16" bar: .325", .063", 67 drive links; 18" bar: 3/8", .050", 66 drive links; 18" bar: .325", .063", 74 drive links; 20" bar: 3/8", .050", 72 drive links; 20" bar: .325", .063", 81 drive links.

Stihl genuine part numbers

If you prefer the maker's own parts, these are the numbers to ask for at a dealer.

Stihl bar and chain part numbers
Bar	Chain part no.	Bar part no.	Pitch / gauge	Drive links
16"	23 RM3 67	3003 000 3313	.325" / .050"	67
16"	26 RM3 67	3003 008 6813	.325" / .063"	67
18"	23 RM3 74	3003 008 317	.325" / .050"	74
18"	26 RM3 74	3003 008 6817	.325" / .063"	74
20"	23 RM3 81	3003 008 3321	.325" / .050"	81
20"	26 RM3 81	3003 008 6821	.325" / .063"	81

Check the chain on your saw

Drawing: pitch is the distance between three rivets divided by two — **Pitch** Measure across three rivets and divide by two. Common pitches are 1/4", .325", 3/8" and .404".

Drawing: gauge is the thickness of the drive link in the bar groove — **Gauge** The thickness of the drive link that rides in the bar groove: .043", .050", .058" or .063".

Drawing: count the drive links, the tabs under the chain — **Drive links** Lay the chain flat and count the tabs underneath. Mark one with a paint pen so you know where you started.

Find pitch and gauge from the number on a drive link

Stamp number

Type the number on a drive link

See all stamp numbers

Drive link stamp number to pitch and gauge
Stamp	Pitch	Gauge
11	3/4"	.122"
16	.404"	.063"
18	.404"	.080"
20	.325"	.050"
21	.325"	.058"
22	.325"	.063"
25	1/4"	.050"
26	.404"	.058"
27	.404"	.063"
33	.325"	.050"
34	.325"	.058"
35	.325"	.063"
50	.404"	.050"
51	.404"	.058"
52	.404"	.063"
58	.404"	.058"
59	.404"	.063"
68	.404"	.063"
72	3/8"	.050"
73	3/8"	.058"
75	3/8"	.063"
80	.325" LP	.043"
90	3/8" LP	.043"
91	3/8" LP	.050"
95	.325"	.050"

Questions people ask

What size chain does a Stihl MS261 take?

How many drive links is a Stihl MS261 chain?

It depends on the bar: 60 on a 16" bar, 67 on a 16" bar, 66 on a 18" bar, 74 on a 18" bar, 72 on a 20" bar, 81 on a 20" bar. The bar length is usually printed near the mount.

What bar fits a Stihl MS261?

A bar with the D025 mount, in one of these lengths: 16", 18", 20".

Other saws with the same chain

All saws that take D60 All saws that take L67 All saws that take D66

Related Stihl saws

Every Stihl model