NIMTEK MS290 Carburetor Kit for STIHL 029/039/MS290/MS310/MS390 — Direct-fit carb, ignition coil & filters

The NIMTEK MS290 Carburetor Kit is a complete replacement set engineered to restore fuel delivery, ignition, and air filtration for STIHL 029, 039, MS290, MS310 and MS390 chainsaws.

If your STIHL saw is hard to start, runs unevenly, or has weak cutting power, a worn carburetor or related components is often the culprit. This NIMTEK kit bundles a direct-fit carburetor (OEM equivalent to part #1127 120 0650 / Walbro HD-18/HD-19) with the ignition coil, air filter, fuel and oil lines, spark plug, and other consumables needed to refresh the engine. The set is designed as a straightforward, cost-effective repair solution so you can get back to consistent, reliable performance without hunting down individual parts.

Will this carburetor fit my STIHL 029 or MS390?

Yes — the NIMTEK MS290 carburetor is engineered as a direct replacement for commonly used OEM numbers. It matches the Walbro HD-18/HD-19 geometry and is compatible with multiple STIHL models popular among homeowners and professionals.

• Compatible models: STIHL MS290, MS310, MS390, 029, 039
• Direct OEM replacement for part #1127 120 0650
• Designed for a bolt-on fit to original mounting points

What parts come in the complete repower kit?

The kit includes all primary wear items you would typically replace when refurbishing these chainsaw engines. Including these components in one package reduces downtime and ensures matched parts for consistent operation.

• 1 carburetor (Walbro HD-18/HD-19 equivalent)
• 1 ignition coil, 1 air filter, 1 fuel filter, 1 spark plug
• Fuel line, oil line, and impulse line for a full service

How difficult is installation and what tools are required?

Installation is intended to be straightforward for anyone with basic small-engine repair experience. The components are built for direct fitment, so most users only need common hand tools and minimal tuning afterward.

• Common tools: screwdrivers, small socket or wrench set, spark plug socket
• Carburetor may require minor idle/mixture adjustment after install
• Illustrated service manual or short video recommended for first-time installers

What performance changes should I expect after installing this kit?

After replacing aged consumables and the carburetor, expect improved starting, steadier idle, better throttle response, and more consistent cutting power under load. This kit addresses fuel, spark, and air pathways all at once for a noticeable improvement.

• Smoother cold starts and quicker warm-ups
• More consistent RPM under load and reduced stalling
• Cleaner fuel delivery and better spark reliability

Who is this for: The NIMTEK MS290 Carburetor Kit is intended for homeowners, landscapers, and professional arborists who operate compatible STIHL chainsaws and want a reliable, affordable way to restore engine performance without sourcing multiple parts. It’s also a practical choice for repair shops that need a ready-to-install repower kit for common STIHL models.