Hipa FS90R Carburetor Kit for STIHL FS90R/FS110R — C1Q-S174, Includes Air Filter & Gasket

Meet the Hipa FS90R Carburetor Kit, a comprehensive upgrade designed for STIHL trimmers and edge tools. Built with attention to fit, performance, and durability, this kit brings together essential parts in one shipment, reducing the guesswork during maintenance and offering a practical, ready-to-use solution for regular care of compatible STIHL equipment.

Key benefits at a glance

• All-in-one kit includes: carburetor (C1Q-S174), air filter, fuel line, fuel filter, spark plug, primer bulb, and two gaskets, so you can tackle maintenance in one go.
• Factory tuned and ready to run: no extra adjustments needed out of the box, helping you save time when servicing your STIHL equipment.
• Quality materials for long lasting use: brass components resist heat, corrosion, and wear; rubber diaphragms and an anodized aluminum body add durability.

Fitment and compatibility

The kit is designed to fit a broad range of STIHL models, including FS90R, FS110R, FS90, FS100RX, FS110, FS100, FS110X, KM110R, HT101, HL100, HL90, and related KM and HL hedge and pole tools. Always compare the return fuel line and connection points to confirm correct compatibility before installation.

In addition to compatibility, the kit emphasizes reliable engine performance under typical yard tasks such as mowing, edging, and light pruning. Some users report smoother idle and steadier throttle response in routine maintenance scenarios. While results can vary based on engine condition and usage, many customers appreciate the consolidated parts and the convenience of a single purchase.

Build and packaging

Crafted with a focus on durability, this kit uses brass for critical passages, high quality diaphragms, and an anodized body to resist corrosion. The package includes all necessary pieces for quick assembly, translating into a streamlined maintenance experience that feels solid in hand.

What you get

• Hipa C1Q-S174 carburetor (one piece)
• Air filter, fuel line, fuel filter
• Spark plug, primer bulb
• Two gaskets; clear, ready-to-install components

Quality assurance

Every carburetor in this kit undergoes wet flow testing to simulate actual engine conditions, offering a practical gauge of performance before installation. The combination of brass passages, durable diaphragms, and an anodized body enhances resilience against heat, vibration, and wear during typical trimming tasks.