Description
Overview:
The Governor Gear Assy (86 9486) is a Genuine JAP component designed to regulate engine speed on the JAP Model 5 industrial engine. Built from robust, machined metal for strength and stability, it links the governor mechanism to the throttle system so the engine maintains consistent RPM under changing loads. This helps protect the engine and attached equipment while improving smooth running. As a direct-fit OEM-quality part, it is suitable for maintenance and restoration of vintage JAP engines, including the JAP 5 and Model 5. This item is unused old stock and may show light tarnishing or storage marks, but remains serviceable. It replaces OEM reference SA3027 and is intended to provide reliable, long-term performance in demanding site, workshop, and agricultural settings.
Key Features:
- Genuine JAP part for assured fit and function on JAP Model 5 engines
- Direct replacement for OEM reference SA3027
- Machined metal construction for durability and stable operation
- Helps maintain steady engine speed under varying load conditions
- Supports smoother running and reduced hunting or overspeed
- Suitable for servicing, repairs, and full restorations of vintage plant
- Unused old stock: may show age-related tarnish or storage dust only
- No modification typically required when replacing a worn or damaged unit
- Built to original specification to preserve engine authenticity and value
- Ideal for tradespeople and DIY users maintaining classic industrial engines
Typical Applications:
Used in JAP Model 5 powered machinery to stabilise RPM on equipment such as site plant, stationary engines, generators, pumps, and workshop machines. Common in restoration projects where accurate speed regulation improves reliability, protects the engine and driven tools, and enhances overall operating efficiency.
Also known as:
Governor gear set, governor drive gear, speed regulator gear, JAP 5 governor drive, regulator gear for J.A.P. Model 5, governor drive assembly, J.A.P. governor train.
Fits Models:
JAP 5, JAP5, MODEL5, Model 5
Alternate Part Numbers:
SA3027
Product Specifications
| L&S Part No. | SA3027 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | JAP |
| OEM No. | SA3027 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Villiers |
| Key Features | - Genuine JAP part for JAP Model 5 engines - Direct replacement for OEM reference SA3027 - Machined metal construction ensures durability - Maintains steady engine speed under load - Suitable for vintage engine restoration projects |
| Fits Models | JAP 5 |


