Chainsaw [Lifetime Warranty] MS230 MS250 Carburetor Tune-Up Kit - Compatible with Stihl MS210 MS230 MS250 021 023 025 MS250C MS230 MS250 Chainsaw Carb | with 1123 160 1650 Air Filter Ignition Coil Fuel Line
Carburetor tune-up kit for Stihl MS210, MS230, and MS250 chainsaws including carburetor, ignition coil, and accessories.
Comparison chart showing adjustment screw differences between Walbro WT-286 and Zama C1Q-S76 chainsaw carburetors.
Stihl MS230 MS250 chainsaw carburetor tune-up kit including carburetor, air filter, ignition coil, and fuel components.
BlueStars MS230 MS250 chainsaw carburetor tune-up kit components including air filter, ignition coil, and fuel lines.
Replacement carburetor for Stihl MS230 MS250 chainsaws showing side-by-side dimensions and technical measurements.
Replacement carburetor for Stihl MS210, MS230, and MS250 chainsaws shown from two different angles.
Infographic showing MS230 MS250 chainsaw carburetor components, including fuel inlet, vent tube, and adjustment screws.
Replacement carburetor for Stihl MS210, MS230, and MS250 chainsaws shown with troubleshooting icons.
Instructional graphic showing easy installation steps for a Stihl MS230 MS250 chainsaw carburetor tune-up kit.
Carburetor tune-up kit for Stihl MS210, MS230, and MS250 chainsaws including carburetor, ignition coil, and accessories.
Comparison chart showing adjustment screw differences between Walbro WT-286 and Zama C1Q-S76 chainsaw carburetors.
Stihl MS230 MS250 chainsaw carburetor tune-up kit including carburetor, air filter, ignition coil, and fuel components.
BlueStars MS230 MS250 chainsaw carburetor tune-up kit components including air filter, ignition coil, and fuel lines.
Replacement carburetor for Stihl MS230 MS250 chainsaws showing side-by-side dimensions and technical measurements.
Replacement carburetor for Stihl MS210, MS230, and MS250 chainsaws shown from two different angles.
Infographic showing MS230 MS250 chainsaw carburetor components, including fuel inlet, vent tube, and adjustment screws.
Replacement carburetor for Stihl MS210, MS230, and MS250 chainsaws shown with troubleshooting icons.
Instructional graphic showing easy installation steps for a Stihl MS230 MS250 chainsaw carburetor tune-up kit.
Lifetime Warranty

[Lifetime Warranty] MS230 MS250 Carburetor Tune-Up Kit - Compatible with Stihl MS210 MS230 MS250 021 023 025 MS250C MS230 MS250 Chainsaw Carb | with 1123 160 1650 Air Filter Ignition Coil Fuel Line

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MS230 / MS250 Carburetor - Compatible with STIHL Chainsaw

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

  • Carburetor: 1123-120-0605, 1123-120-0603, WT-215, WT-286, C1Q-S11E, C1Q-S11G
  • Air Filter: 1123-160-1650, 1123-120-1651
  • Fuel Line: 1123-358-7703, 1123-647-9400

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.
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  • COMPATIBLE MODELS

    COMPATIBLE MODELS

    Compatible with Stihl MS250, MS250C, MS230, MS230C, MS210, MS210C, 021, 023, 025 Chainsaw
  • PART NUMBERS

    PART NUMBERS

    Carburetor replaces 1123 120 0605, 11231200605, WT-286, WT286; Air Filter replaces 1123 160 1650
  • FIX ENGINE'S SYMPTOMS

    FIX ENGINE'S SYMPTOMS

    Popping/ banging/ sneezing sounds | Engine won't start | Idling issues | Excessive exhaust | Carburetor floods
  • IMPORTANT NOTE

    IMPORTANT NOTE

    This is a replacement part designed to be compatible with certain appliances. Any brand names mentioned are used solely to indicate compatibility.
EASY INSTALLATION

EASY INSTALLATION

1. Drain the fuel tank; 2. Remove the cylinder shield. Disconnect the spark plug wire; 3. Remove the air filter. Disconnect the fuel lines; 4. Discard your old carburetor. Reinstall with our new part!

FAQ

This kit is compatible with Stihl MS210, MS230, MS250, 021, 023, and 025 chainsaws. For MS250C or easy-start versions, fitment can vary; specifically, the ignition coil may not be compatible with MS210C, MS230C, and MS250C models. We recommend matching your existing coil and carburetor numbers before ordering for these specific variants.
This kit replaces carburetor part numbers 1123 120 0605, 1123-120-0605, 11231200605, 1123-120-0603, Walbro WT-286, WT286, WT-215, Zama C1Q-S11E, C1Q-S11G, and Tillotson HU131A. It also includes air filter 1123 160 1650 / 1123-160-1650 and ignition coil 1123-400-1301.
Common signs include hard starting, only running on choke, bogging when you pull the trigger, surging at idle, poor acceleration, fuel leaks, or a saw that starts and then dies. On these Stihl models, cracked fuel lines, restricted fuel flow, a dirty air filter, or varnish inside the carburetor are frequent causes of these symptoms, so it is recommended to inspect the entire fuel and intake system during repair.
For those familiar with basic small-engine service, this is a moderate repair. Typical tools required include a scrench or nut driver for the top cover and bar nuts, screwdrivers, needle-nose pliers, and hemostats or a hook tool for fuel line routing. Replacing the carburetor, fuel line, and air filter typically takes 30 to 60 minutes. Ignition coil replacement may require additional time to remove the starter housing and properly set the coil air gap.
Drain old fuel, inspect the fuel tank for debris, check the fuel filter, verify the impulse passage is clear, and inspect the intake boot and gaskets for air leaks. Confirm your existing carburetor style and part number, as these saws were produced with different carburetor families that are not always interchangeable. If your saw is an easy-start or C version, compare the ignition coil and carburetor layout carefully before installation.
The most common causes are stale fuel, ethanol-related deterioration, gum and varnish buildup in the metering circuits, and hardened or cracked fuel lines. Fine sawdust can also clog the air filter and disrupt the fuel-air mixture. If the saw has been stored with fuel in it, the carburetor diaphragm and internal passages are highly susceptible to the types of damage that cause starting and running problems.
No. While WT-286 is a common carburetor for MS210, MS230, MS250, 021, 023, and 025 saws, other compatible units include the WT-215, C1Q-S11E, C1Q-S11G, and HU131A. Stihl utilized multiple carburetor types across this saw family, so verifying the part number on your current unit is the most reliable way to confirm compatibility.