Description
Overview:
This Governor Rod is a Genuine Robin/Subaru part for EX21 petrol engines. Made from durable metal, it links the governor mechanism to the throttle to regulate engine speed, keeping RPM stable under changing load. A stable governor system helps maintain smooth running, prevents overspeed, and supports fuel-efficient operation. Designed specifically to original specification for the EX21, it offers a precise fit and reliable movement through the full throttle range. Suitable for a wide range of construction and garden machinery powered by EX21 engines, such as compact plant, generators, and pumps. Supplied to the original equipment reference OEM No. 277 42701 01, it is a straightforward replacement for worn or bent linkages that can cause hunting, poor response, or erratic idle.
Key Features:
- Genuine Robin/Subaru replacement (OEM 277 42701 01) for accurate, model-specific fit
- Robust metal construction for long service life in demanding environments
- Maintains steady engine speed and throttle response under varying load
- Helps reduce hunting, surging, and overspeed conditions
- Built to original specification for correct linkage travel and geometry
- Straightforward to install with basic hand tools, minimising downtime
- Reliable operation across typical EX21 applications in site and garden equipment
- Compatible with standard EX21 governor and carburettor linkage layout
Typical Applications:
Used on Robin/Subaru EX21 engines fitted to equipment such as generators, water pumps, plate compactors, pressure washers, tillers, and other compact plant or garden machinery. Suitable for routine maintenance or repair when the original linkage is worn, bent, or corroded, restoring predictable speed control and smooth operation.
Also known as:
Governor link, governor linkage rod, governor lever rod, throttle governor link, engine speed control linkage, speed governor link rod.
Fits Models:
EX21
Alternate Part Numbers:
RB277 42701 01
Product Specifications
| L&S Part No. | RB277 42701 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Robin/Subaru |
| OEM No. | 277 42701 01 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Robin |
| Key Features | - Genuine Robin/Subaru part for EX21 petrol engines - OEM No. 277 42701 01 ensures precise fit - Durable metal construction for long service life - Maintains steady engine speed under varying load - Compatible with standard EX21 linkage layout |
| Fits Models | EX21 |

