Description
Overview:
This Genuine Zama RB-85 rebuild kit is a complete service kit for Zama C1Q-series carburettors, including the C1Q-S56 fitted to many Stihl handheld machines. It refreshes the fuel metering and pumping system to restore reliable starting, smooth idle and clean acceleration. The kit contains fuel‐resistant diaphragms, precision-cut gaskets and small hardware to replace worn parts in one go, helping to cure issues caused by age, varnish or stale fuel. Made to Zama's original specification for an exact fit and correct function, it is suitable for professional and domestic users maintaining 2‐stroke brushcutters, hedge trimmers and similar tools such as the Stihl FS75 and FS85.
Key Features:
- Genuine Zama part for assured compatibility and performance
- Precise fit for C1Q-S56 and related C1Q variants used on popular Stihl models
- Fuel‐resistant diaphragms and quality gaskets for durable, leak‐free sealing
- Restores correct fuel metering to improve starting, idle stability and throttle response
- Helps resolve flooding, lean running and flat‐spot issues caused by tired components
- Supplied as a matched set so parts work together as designed
- Straightforward to install with basic hand tools and clean working practices
- Cost‐effective preventative maintenance to extend carburettor service life
- Suitable for trade, landscaping, grounds care and DIY maintenance schedules
Typical Applications:
Routine carburettor servicing on Zama C1Q-equipped Stihl machines after seasonal storage, heavy use, exposure to stale fuel or when symptoms appear such as hard starting, erratic idle, hesitation under load or poor top-end power. Ideal for brushcutters, clearing saws, hedge trimmers and pole tools used in garden, estate and site maintenance.
Also known as:
Carburettor repair set, diaphragm and gasket kit, overhaul kit for Zama C1Q series, carb service kit, carburettor refresh kit, RB-85 repair kit.
Fits Models:
C1Q-S41A, C1Q-S41B, C1Q-S41C, C1Q-S42, C1Q-S42A, C1Q-S42B, C1Q-S42C, C1Q-S47, C1Q-S47A, C1Q-S53, C1Q-S53A, C1Q-S56, C1Q-S56A, C1Q-S60, C1QS41A, C1QS41B, C1QS41C, C1QS42, C1QS42A, C1QS42B, C1QS42C, C1QS47, C1QS47A, C1QS53, C1QS53A, C1QS56, C1QS56A, C1QS60, FC75, FC85, FH75, FR85, FR85T, FS75, FS80, FS80R, FS85, FS85R, FS85RX, FS85T, HL75, HL75K, HT70, HT75, KW85, SP85, SP85K
Alternate Part Numbers:
RB 85, RB85
Product Specifications
L&S Part No. | RB-85 |
---|---|
Part Type | Genuine Part |
Manufacturer | Zama |
OEM No. | RB-85 |
Unit of Sale | 1 |
Applications | C1Q-S41A, C1Q-S41B, C1Q-S41C, C1Q-S42, C1Q-S42A, C1Q-S42B, C1Q-S42C, C1Q-S47, C1Q-S47A, C1Q-S53, C1Q-S53A, C1Q-S56, C1Q-S56A, C1Q-S60, C1QS41A, C1QS41B, C1QS41C, C1QS42, C1QS42A, C1QS42B, C1QS42C, C1QS47, C1QS47A, C1QS53, C1QS53A, C1QS56, C1QS56A, C1QS60, FC75, FC85, FH75, FR85, FR85T, FS75, FS80, FS80R, FS85, FS85R, FS85RX, FS85T, HL75, HL75K, HT70, HT75, KW85, SP85, SP85K |
Machine Type | Brushcutters |
Fits Brands | Stihl, Zama |
Fits Models | FS75, FS80, FS85 |