Ferilter Carburetor for STIHL Trimmers C1Q-S97 - Pre-Adjusted Replacement with Service Kit

Ferilter C1Q-S97 carburetor: a pre-adjusted replacement part designed to restore fuel delivery and starting reliability to compatible STIHL trimmers and combi engines.

This compact carburetor is built as a direct-fit aftermarket alternative for several small two-stroke STIHL engines, supplied with a small installation kit so you can swap it in quickly. It fits a range of FS and HL series models and replaces multiple OEM part numbers, helping repair worn or clogged original carburetors without buying a complete new tool. The unit ships with common consumables you typically replace during service, making the refresh economical and convenient.

Which STIHL models will this Ferilter carburetor work with?

The C1Q-S97 is designed to be compatible with many FS and HL series models as well as KM kombi engines. It replaces a number of related carburetor part numbers and fits both string trimmers and hedge trimmers listed by STIHL.

• Compatible with FS45, FS55, FS55R, FS55RC, FS38, FS46, FS56RC trimmers.
• Works on HL45 hedge trimmers and KM55 kombi motor variants.
• Directly replaces C1Q-S66, C1Q-S71, C1Q-S143, C1Q-S153, C1Q-S186 and OEM codes 4140 120 0612, 4140 120 0619.

How easy is it to install and get running?

This Ferilter carburetor ships pre-adjusted, which reduces the need for tuning after fitment. Many users report straightforward installation in under 10–15 minutes using basic hand tools. Final engine idle or mixture tweaks are rarely required but remain possible if fine-tuning is desired.

• Pre-adjusted at the factory to match common OEM settings.
• Includes small service parts to replace aging lines and filters during installation.
• Basic hand tools and a brief safety check are all that’s needed to complete the swap.

What comes in the package and why does it matter?

The product bundle contains the replacement carburetor plus common wear items so you aren’t troubleshooting other failing parts later. That makes the repair more reliable and reduces the chance of repeat service to get the engine running properly.

• One Ferilter C1Q-S97 carburetor ready to mount.
• Consumables: air filter, fuel line, spark plug, two gaskets, two primer bulbs, two fuel filters.
• Packaged to help complete a one-stop repair without sourcing extra parts.

Who is this for? If you own a compatible STIHL string trimmer, hedge trimmer, or KM combi motor and are dealing with hard starting, poor idling, or suspected carburetor wear, this Ferilter C1Q-S97 replacement offers a cost-effective repair option. It suits DIY owners comfortable with basic small-engine maintenance, home gardeners who want to extend the life of their outdoor tools, and small landscaping businesses that keep spare parts on hand for fast field service. Avoid if your machine has different carburetor specifications or if you prefer only OEM-branded replacements.