Hengjian S8-Z300 Race Version – Factory-Tuned 2‑Stroke Enduro
The Hengjian S8-Z300 Race Version is a competition-focused enduro motorcycle built around a 293.2 cm³, single-cylinder, 2‑stroke, water‑cooled the factory‑tuned evolution of the standard S8‑Z300 platform, it is engineered for demanding off‑road and race use, combining strong power delivery with precise handling and premium components.
Main Highlights
- Factory‑tuned 293.2 cm³ 2‑stroke single‑cylinder engine for aggressive enduro and race applications.
- High performance output with approximately 42.6 kW maximum power and 52 Nm peak torque for strong pull from low to high rpm.
- Lightweight construction with a curb weight of about 107 kg for agile handling in technical terrain.
- Race Version equipment including twin radiator fans, billet radiator guards and billet footrests for improved cooling, protection and control.
- Enduro geometry with 21"/18" wheel combination, 90/100‑21 front and 130/90‑18 rear tyres for optimal traction and stability off‑road.
- 9 L fuel tank, 940 mm seat height and 350 mm ground clearance, balancing range, ergonomics and obstacle clearance.
- Disc brakes front and rear, wet multi‑plate clutch and 12 V 4 A lithium battery for reliable operation in harsh conditions.
- Broad compatibility with components from leading motorcycle brands, supporting easy maintenance and upgrade options.
Engine & Performance
The S8‑Z300 Race Version uses a compact, water‑cooled 2‑stroke engine with a square 72 mm × 72 mm bore and stroke high compression ratio and race‑tuned porting deliver responsive throttle behaviour, strong mid‑range and ample top‑end power, making the motorcycle suitable for hard enduro, cross‑country special tests and intensive training use.
| Engine type | Single‑cylinder, 2‑stroke, water‑cooled |
| Displacement | 293.2 cm³ |
| Bore × stroke | 72 mm × 72 mm |
| Maximum power | Approx. 42.6 kW |
| Maximum torque | Approx. 52 Nm |
| Compression ratio | 13.9 : 1 |
| Combustion | Carbureted 2‑stroke |
| Clutch | Wet multi‑plate |
Chassis, Ergonomics & Components
The chassis of the Hengjian S8‑Z300 Race Version is designed around proven enduro geometry, combining a long wheelbase for stability with a compact overall length for manoeuvrability in tight 21" front and 18" rear wheels, generous ground clearance and high seat position support confident riding over roots, rocks and ruts, while the race‑focused suspension and braking package is tuned for control and feedback.
| Application | Enduro / off‑road competition |
| Length × width × height | Approx. 2170 mm × 830 mm × 1285 mm |
| Wheelbase | Approx. 1465 mm |
| Curb weight | Approx. 107 kg |
| Rated load | Approx. 120 kg |
| Seat height | Approx. 940 mm |
| Ground clearance | Approx. 350 mm |
| Front tyre | 90/100‑21 |
| Rear tyre | 130/90‑18 |
| Fuel tank capacity | Approx. 9 L |
| Brakes | Disc brakes front and rear |
| Battery | 12 V 4 A lithium |
Race Version Equipment
The Race Version specification adds factory‑installed upgrades over the standard S8‑Z300, including dual radiator fans to improve cooling efficiency in slow, technical terrain, as well as billet radiator guards and billet footrests for enhanced durability and rider support in competition use.
Typical Use Cases
- Hard enduro events and technical single‑track riding.
- Enduro and cross‑country racing or time‑card competition.
- Advanced off‑road training and practice for experienced riders.
- Use in performance‑oriented rental or training fleets focused on 2‑stroke enduro machines.
