HENGJIAN Ignition Coil Assembly S8-Z300-21-14
The HENGJIAN ignition coil assembly S8-Z300-21-14 is a genuine electrical component developed specifically for the Hengjian S8‑Z300 two‑stroke enduro a core element of the ignition system, it transforms low-voltage current into the high-voltage spark required for clean, reliable combustion in demanding off‑road conditions.
Key features and advantages
- Model-specific design: Engineered for the Hengjian S8‑Z300 chassis and ignition layout to ensure precise fit and correct spark characteristics.
- Stable high-voltage output: Supports easy starting, crisp throttle response and consistent engine performance across the rev range.
- Off-road durability: Built to withstand vibration, shocks, mud and moisture typical of enduro use.
- OEM-quality connectors: Matches original mounting points and electrical connections for straightforward installation into the existing wiring harness.
- Reliable replacement part: Suitable as a direct replacement for a worn, damaged or weak original ignition coil assembly.
Typical use cases
- Restoring reliable ignition on Hengjian S8‑Z300 motorcycles affected by misfires, hard starting or irregular idle caused by a failing coil.
- Preventive maintenance during complete engine rebuilds or seasonal overhauls of S8‑Z300 race and training bikes.
- Keeping a spare ignition component available in the workshop or race transporter for rapid repairs between motos or stages.
Technical details
| Manufacturer | HENGJIAN |
| Part name | Ignition coil assembly |
| Part number (SKU) | S8-Z300-21-14 |
| Vehicle application | Hengjian S8-Z300 off-road/enduro motorcycle |
| Engine compatibility | Single-cylinder, 2-stroke, water-cooled, approx. 293.2 cm³ S8-Z300 engine |
| System | Ignition / electrical system component |
| Function | Steps up low-voltage current to high voltage and delivers it to the spark plug for combustion. |
Used with the correct spark plug and wiring, the HENGJIAN ignition coil assembly S8-Z300-21-14 helps maintain dependable starting behaviour and strong power delivery from the Hengjian S8‑Z300 two‑stroke engine in both training and competition environments.
