Chainsaw
Stihl MS 250
2-Stroke · Also known as: 025
The Stihl MS 250 is a 45.4cc 2-stroke chainsaw and the top model in Stihl's homeowner trio alongside the MS 210 and MS 230. It handles 16" to 18" guide bars and excels at regular firewood production and clearing of medium-diameter trees. The MS 250 shares its Zama C1Q-S112 carburetor with the MS 210 and MS 230 — one rebuild kit covers all three. A documented quirk: primer bulbs on units below serial number 287332321 use OEM 4238 350 6201; later units use OEM 0000 350 6202. The MS 250 superseded the Stihl 025.
Spark Plug
OEM0000 400 7000(0.5mm gap)
| Brand | Part # | |
|---|---|---|
| NGK | BPMR7A | Buy on Amazon → |
| Champion | RCJ6Y | Buy on Amazon → |
Air Filter
OEM1123 120 1613Fits 021, 023, 025, MS210, MS230, MS250
| Brand | Part # | |
|---|---|---|
| Stens | 605-687 | Buy on Amazon → |
Fuel Filter
OEM0000 350 3500In-tank pickup body fuel filter
| Brand | Part # |
|---|
Carburetor
OEM1123 120 0600Zama C1Q-S112; fits MS 210, MS 230, MS 250
| Brand | Part # | |
|---|---|---|
| Zama | C1Q-S112 | Buy on Amazon → |
Recoil Starter
OEM1123 080 1802Fits MS 210, MS 230, MS 250
| Brand | Part # | |
|---|---|---|
| Stens | 150-568 | Buy on Amazon → |
Ignition Coil
OEM1123 400 1201Fits MS 210, MS 230, MS 250
| Brand | Part # | |
|---|---|---|
| Stens | 610-879 | Buy on Amazon → |
Primer Bulb
OEM4238 350 6201Newer units (SN# 287332321+) use 0000 350 6202
| Brand | Part # | |
|---|---|---|
| Zama | BG-00-4 | Buy on Amazon → |
| Hipa | G002-H | Buy on Amazon → |
Fuel Line Kit
OEM1123 358 7701Includes fuel pickup line and return line; fits 021, 023, 025, MS210, MS230, MS250
| Brand | Part # | |
|---|---|---|
| Stens | 115-128 | Buy on Amazon → |
Chain
OEM(18", .325" pitch, .063" gauge, 68 drive links)Stock bar length; verify drive link count matches your bar
| Brand | Part # | |
|---|---|---|
| Oregon | 22LPX068G | Buy on Amazon → |
Guide Bar
OEM(18", .325" pitch, .063" gauge)
| Brand | Part # | |
|---|---|---|
| Oregon | 183PXLBA074 | Buy on Amazon → |