MS230 MS250 Carburetor

MS230 MS250 Carburetor

Key Features

• Direct replacement for original equipment manufacturer (OEM) carburetors.
• Constructed with durable materials including brass components and corrosion-resistant body.
• Engineered to meet original specifications for reliable starting and performance.
• Pre-adjusted from the factory; may require fine-tuning for optimal engine operation.

Replaces / Cross-Reference Part Numbers

• Stihl: 1123 120 0620, 1123 120 0603
• Zama: C1Q-S11E, C1Q-S11G

Compatibility & Fitment

• Stihl Chainsaw Models: 021, 023, 025, MS210, MS230, MS250

When to Replace

• Engine fails to start, stalls, or idles erratically.
• Noticeable loss of power or poor acceleration.
• Fuel leaks are visible from the carburetor body or connections.
• Engine runs rich (black smoke) or lean (surging) after adjustments fail.

Installation Tips

• Always disconnect the spark plug wire before beginning work.
• Take note of fuel line and throttle linkage connections before disassembly.
• Replacing the fuel filter and fuel lines during carburetor installation is recommended.
• After installation, check and adjust the idle, low, and high-speed mixture screws as needed for your specific operating conditions.