Factory-Tuned Carburetor Kit is a complete replacement solution designed to restore the performance and reliability of compatible STIHL string trimmers and outdoor power equipment. Built with premium aluminum, brass, and rubber components, this carburetor is factory tuned and tested to provide smooth engine operation, easy installation, and long-lasting durability. Ideal for both professional landscapers and home users, this all-in-one kit includes essential replacement parts to simplify maintenance and reduce downtime.
Product Type: Carburetor Kit
Material: Aluminum, Brass, Rubber
Design: Factory-Tuned Replacement Assembly
Color: Multicolor
Number in Pack: 1 Set
Assembly Required: No
Compatible Product: String Trimmer / Weed Eater
Item Weight: Approx. 7.8 oz
Condition: Brand New
✔️ Factory Tuned & Ready to Install – No additional adjustments required for most applications
✔️ Premium Construction – Brass components, rubber diaphragms, and anodized aluminum body resist heat and corrosion
✔️ Wet Flow Tested – Ensures reliable engine performance and dependable operation
✔️ Complete Repair Kit – Includes essential components for maintenance and replacement
✔️ Cost-Effective Solution – Saves time and money compared to purchasing parts separately
✔️ Easy Installation – Designed for quick replacement and hassle-free setup
✔️ Durable & Long-Lasting – Built to withstand regular outdoor use
Compatible with selected STIHL models including:
FS38, FS45, FS45C, FS46, FS46C
FS55, FS55C, FS55R, FS55RC
HL45, KM55, KM55R
C1Q-S97, C1Q-S186, C1Q-S66, C1Q-S71, C1Q-S143, C1Q-S153
STIHL Part Numbers: 4140 120 0612 and 4140 120 0619
Mounting Hole Distance: 31mm
Throttle Diameter: 14mm
Choke Diameter: 13mm
Venturi Diameter: 11mm
Fuel Inlet Line Size: 4mm
Fuel Return Line Size: 4mm
String trimmers and weed eaters
Routine maintenance and repairs
Replacing worn or damaged carburetors
Professional and home outdoor equipment use
Restores engine efficiency and performance
Improves starting and fuel delivery
Reduces maintenance costs
Convenient all-in-one replacement kit
Reliable and durable construction
Verify model compatibility before purchase
Install according to manufacturer guidelines
Use proper safety equipment during installation
Keep small parts away from children
Keep fuel system clean for optimal performance
Inspect filters regularly and replace when necessary
Store unused components in a dry location
Avoid contamination during installation
Brand New
High Quality and Durable
1 × C1Q-S97 Carburetor
2 × Air Filters
1 × Fuel Line
2 × Fuel Filters
1 × Spark Plug
2 × Primer Bulbs
2 × Gaskets
Please confirm compatibility with your model before ordering
Slight color variations may occur due to lighting and display settings
Manual measurements may result in minor differences