MOTOALL MS391 Carburetor with Gaskets for Stihl MS311/MS391 Chainsaws | 11401200601/11401200605 | WTE-9A/WTE-17

Overview

Revitalize your Stihl chainsaw with the MOTOALL MS391 carburetor paired with a matching gasket set. Designed to fit Stihl MS311 and MS391 models, this kit arrives ready to install and ready to restore more consistent fuel metering and overall performance. The combination targets reliable starts and steady operation, offering a practical replacement option for seasonal maintenance or mid-season tune-ups.

The carburetor is built to harmonize with the WTE-9A and WTE-17 variants, providing a practical compatibility path for common OEM configurations. Expect a compact, rugged build that stands up to daily field use, with attention to sealing surfaces and smooth flow paths that help minimize fuel leakage and air intrusion in typical operating conditions.

What’s included

• 1 × MOTOALL MS391 carburetor
• 2 × gaskets for quick, secure sealing

Key benefits (potential)

• Potential for steadier idle and improved throttle response with precise fuel delivery
• Potentially easier starts and more reliable performance across a range of operating temperatures
• Durable construction designed to resist common wear in outdoor use
• Comes with a gasket kit for a complete replacement when reseating the module

Compatibility and installation

This MOTOALL carburetor is designed for Stihl MS311 and MS391 chainsaws, including part numbers 11401200601 and 11401200605, with WTE-9A/WTE-17 variants commonly associated with these models. When installing, ensure the mounting surfaces are clean, replace gaskets to maintain a tight seal, and verify fuel lines and outlet connections are properly aligned to avoid leaks. No specialized tools are required for basic replacement, but a careful, methodical approach will help achieve the best results.

Real-world use scenarios

Seasonal maintenance, on-site repairs, or quick field replacements benefit from a kit like this. The compact assembly is easy to handle in a toolbox, and the included gaskets help speed up the process when you’re preparing the saw for the next job. While results can vary by condition, users may notice more consistent performance after a proper swap and gasket seal check.