Description
Overview:
The crankshaft governor sleeve is a precision‐machined metal component used in the mechanical governor system of Jap industrial engines, including the Model 2A and 2S. Fitted on the crankshaft, it provides a stable running surface for the governor mechanism to control engine speed under varying load, helping to maintain a steady governed RPM and prevent overspeed. This is a Genuine Jap part to OEM number 18741, made to original dimensions for proper alignment, clearances and durability. It is suitable for maintaining and restoring vintage machinery powered by these engines. Supplied as unused old stock, it may show cosmetic tarnish or storage marks that do not affect performance. A correct, direct replacement to restore reliable governing and consistent engine behaviour in service.
Key Features:
- Genuine Jap part for assured compatibility (OEM No. 18741)
- Precision‐machined metal sleeve for wear resistance and long service life
- Supports stable governed speed, helping to prevent hunting and overspeed
- Direct replacement for the original sleeve; fits standard governor assemblies
- Accurate dimensions for correct running clearances on the crankshaft
- Suitable for repair, overhaul and preservation of vintage Jap engines
- Helps improve idle quality and load response in industrial applications
- Unused old stock: expect cosmetic ageing only, not affecting function
Typical Applications:
Used during engine rebuilds or routine maintenance on Jap 2A/2S units driving small plant, pumps, generators, mixers and site equipment. Ideal when the original sleeve is worn, pitted or scored, causing unstable speed control. Helps restore reliable governor operation on vintage machinery used in construction, agriculture, horticulture and workshop settings.
Also known as:
Governor sleeve, engine governor sleeve, crankshaft governor sleeve, speed governor sleeve, speed control sleeve, governor bush (sleeve type), Jap governor sleeve.
Fits Models:
2A/ 2S
2A2S
JAP 2
JAP2
Alternate Part Numbers:
18741
Product Specifications
| L&S Part No. | 18741 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Jap |
| OEM No. | 18741 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | JAP |
| Key Features | - Genuine Jap part for assured compatibility (OEM No. 18741) - Precision‐machined metal sleeve for wear resistance - Direct replacement for original sleeve; fits standard assemblies - Accurate dimensions for correct crankshaft clearances - Suitable for Jap 2A/2S engine maintenance and restoration |
| Fits Models | JAP 2 |
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