[Lifetime Warranty] RB-100 Carburetor Rebuild Kit with Primer Bulb

RB-100 Carburetor Rebuild Kit with Primer Bulb - Compatible with Zama C1Q-S serires STHIL HS45 FS55 FS38 BG45 MM55 & Mini Tiller 4137 EMU Trimmer

Key Features

• Complete kit to overhaul and restore carburetor performance.
• Includes precision-cut gaskets, diaphragms, metal components, and a primer bulb.
• Restores proper fuel and air mixture for improved starting and running.
• Direct replacement for original components.

Replaces / Cross-Reference Part Numbers

• Zama: RB-100, RB-96

Compatibility & Fitment

• For Zama Carburetor Models:C1Q-S66C1Q-S71C1Q-S97, C1Q-S97AC1Q-S143C1Q-S153C1Q-S186
• For STIHL Equipment Models:Trimmers/Brushcutters: FS38, FS55Hedge Trimmers: HS45Blowers: BG45, BG85Multi-Purpose Engines/Tillers: MM55Wood Augers: BT454137 Series Trimmers

When to Replace

• Engine fails to start or is difficult to start.
• Engine stalls at idle or runs rough.
• Fuel is leaking from the carburetor.
• Noticeable loss of engine power.
• Primer bulb is cracked, hazy, or no longer returns to shape.

Installation Tips

• Disassemble the carburetor in a clean, well-lit area.
• Note the order and orientation of all gaskets and diaphragms as you remove them.
• Thoroughly clean all metal parts and passages with a carburetor cleaner before installing new components.
• Ensure gasket surfaces on the carburetor body are clean and free of old material.
• Do not overtighten screws during reassembly to avoid warping components.
• Consider replacing fuel lines and the fuel filter at the same time if they are aged or clogged.