Description
Overview:
This Governor Lever is a genuine Robin replacement for the EX21 petrol engine, supplied to OEM No. RB277 42301 13. Made from robust steel with a corrosion‐resistant finish, it links the governor mechanism to the throttle to regulate engine speed under changing loads. By keeping RPM stable, it helps maintain smooth operation, fuel efficiency, and consistent power delivery. Designed specifically for the Robin EX21, it is a direct-fit part that preserves the correct geometry and linkage alignment. Suitable for a wide range of construction and garden machinery powered by EX21 engines, such as compactors, generators, pumps, and other small plant, it is a practical choice for tradespeople, hire fleets, and DIY users who need reliable engine control and easy maintenance.
Key Features:
- Genuine Robin OEM part (RB277 42301 13) for assured compatibility and quality
- Purpose-made for the EX21 governor assembly; direct replacement with accurate fit
- Strong steel construction with a protective finish for long service life
- Maintains steady engine speed and idle stability under varying loads
- Helps reduce surging and hunting for smoother performance
- Factory-correct hole positions and profile for proper linkage travel
- Quick to install with basic hand tools; no modifications required
- Suitable for demanding site use and high-vibration equipment
- Supports reliable running and reduces unnecessary downtime
Typical Applications:
Used on machinery powered by the Robin EX21 engine, including plate compactors, generators, water pumps, pressure washers, and other small plant found in construction, landscaping, and grounds maintenance. Ideal when restoring governor control after wear, damage, or lost motion in the linkage, or when troubleshooting unstable RPM and load response.
Also known as:
Speed control lever, governor arm, governor control lever, throttle governor arm, governor link lever, engine speed regulator lever.
Fits Models:
EX21
Product Specifications
| L&S Part No. | RB277 42301 13 |
|---|---|
| Part Type | Genuine Part |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Robin |
| Key Features | - Genuine Robin OEM part for EX21 engine - Direct replacement with accurate fit - Steel construction with corrosion-resistant finish - Maintains steady engine speed under load - Suitable for compactors, generators, pumps |
| Fits Models | EX21 |

