Product Highlights & Solutions
Poor Idle, Rough Running, or Hard Starting on Your Stihl MS231 or MS251 Chainsaw? — A worn or gummed-up carburetor on the MS231 and MS251 causes difficult starting, erratic idle, poor throttle response, and fuel delivery issues that kill cutting performance. This complete tune-up kit — carburetor, air filter, and spark plug — restores crisp throttle response and reliable starting. Aftermarket replacement, not OEM.
MS251C E-Z Starter & Primer Bulb Models Only — This carburetor is correct for MS251C with primer bulb. Verify your exact model variant and match OEM part numbers before ordering.
Vehicle Fitment
Compatibility List
- For Stihl MS231 Chainsaw
- For Stihl MS231C Chainsaw
- For Stihl MS251 Chainsaw (with primer bulb)
- For Stihl MS251C Chainsaw — E-Z Starter version
Carburetor Cross-References: Walbro WTF-9, Zama C1Q-S295, C1Q-S296, C1Q-S233
Replaces OE / Part Numbers
Carburetor: 1143-120-0611, 1143-120-0605, 1143-120-0641
Air Filter: 1141-120-1600
Spark Plug: 0000-400-7011
Specifications
| Detail |
Specification |
| Type |
Carburetor Tune-Up Kit |
| Material |
Aluminium |
| Fitment Type |
Direct Replacement (Aftermarket — Not OEM) |
| Condition |
100% Brand New |
| Warranty |
2-Year Warranty |
Notes
- Aftermarket replacement — not a genuine Stihl OEM part.
Package Includes
- 1 × Carburetor with Kit
- 1 × Air Filter
- 1 × Spark Plug