Description
Overview:
This Genuine JAP Pinion (11 tooth) is a machined steel drive gear for the hand lever starter fitted to JAP petrol industrial engines, including the JAP 4 and JAP 4/3. It engages with the starter mechanism to transfer hand lever motion to the crankshaft for dependable starting. Built to OEM specification (OEM No. 21768/2), it offers the correct tooth profile and fit for the original system. The threaded mount measures 2 inches (50.8 mm) in diameter to match the original starter assembly. Supplied as unused old stock, it is suitable for restoring or maintaining vintage engines while keeping components authentic. Durable, precisely made, and ready to install, this pinion helps maintain smooth, reliable starting performance on well-kept heritage plant and equipment.
Key Features:
- Genuine JAP part for correct fit and function (OEM No. 21768/2)
- 11-tooth pinion for accurate engagement with the hand lever starter gear train
- Machined steel construction for strength and wear resistance
- Thread diameter: 2 inches (50.8 mm) for proper mating with the original starter hub
- Helps restore reliable, consistent starting on JAP 4/3-series petrol engines
- Unused old stock vintage component; may show light tarnish or age-related marks only
- Designed for straightforward fitting within the standard hand lever starter assembly
- Preserves originality on restorations while offering dependable service life
- Suitable for maintenance of stationary engines used in industrial and agricultural settings
- Supports smooth engagement to reduce slip and premature wear
Typical Applications:
Used on JAP 4/3 petrol industrial engines where a manual hand lever starter is fitted. Common on vintage stationary plant such as site pumps, generators, compressors, small mixers, and agricultural machinery. Ideal for restorations, preventative maintenance, and returning stored engines to service with an authentic, correctly meshing starter drive.
Also known as:
Starter pinion gear, hand lever starter pinion, starter drive gear, 11T starter pinion, lever starter drive cog, starter gear wheel, hand-start pinion, manual starter pinion.
Fits Models:
JAP 4, JAP 4/3, JAP4, JAP43
Product Specifications
| L&S Part No. | 21768/2 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | JAP |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | JAP |
| Key Features | - Genuine JAP part for correct fit (OEM No. 21768/2) - 11-tooth pinion for accurate starter gear engagement - Machined steel for strength and wear resistance - Thread diameter: 2 inches (50.8 mm) - Suitable for JAP 4/3-series petrol engines |
| Fits Models | JAP 4, 3 |
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