Description
Overview:
The Governor Control Spring is a genuine JAP part for stabilising engine speed on classic JAP petrol engines. Built as a durable metal coil spring with hooked ends, it links the governor mechanism to the throttle to maintain a steady rpm as load changes. This direct-fit replacement is engineered for JAP 3 and JAP 4 engines and matches the original specification for correct tension and response. Using the correct spring helps prevent hunting, overspeed, and stalling, improving smooth running and fuel efficiency. Supplied to the original equipment number 18744, it is suitable for routine maintenance or restoration of older plant and machinery powered by JAP stationary engines. Genuine JAP component for dependable fit and function.
Key Features:
- Genuine JAP part for reliable compatibility and performance (OEM 18744)
- Designed for JAP 3 and JAP 4 petrol engines for accurate governor control
- Durable metal construction resists fatigue and deformation under repeated cycles
- Correct spring rate for stable idle and consistent governed speed under load
- Helps reduce surging, hunting, and speed fluctuation for smoother operation
- Direct replacement using existing linkage points; no modification required
- Compact, lightweight form for easy access in tight engine bays
- Supports improved throttle response and engine longevity
- Suitable for workshop or on-site repairs with minimal downtime
- Manufactured to match original geometry for proper governor linkage alignment
Typical Applications:
Used on JAP 3 and JAP 4 stationary petrol engines found in light construction and horticultural machinery where a stable engine speed is needed. Typical examples include older cement mixers, generators, small pumps, plate compactors, cultivators, and similar plant. Ideal for servicing classic equipment to restore dependable governed rpm during varying load conditions.
Also known as:
Governor tension spring, speed governor spring, throttle linkage spring, governor linkage spring, governor arm spring, engine speed spring, governor rate spring, governor return spring, throttle governor tensioner.
Fits Models:
JAP 3, JAP 4
Product Specifications
L&S Part No. | 18744 |
---|---|
Part Type | Genuine Part |
Manufacturer | JAP |
OEM No. | 18744 |
Unit of Sale | 1 |
Applications | JAP 3, JAP 4, JAP3, JAP4 |
Machine Type | Engines |
Fits Brands | JAP |
Fits Models | JAP 4, 3 |