Trailmaster JHL LX300 Pro 283cc EFI Dirt Bike, 6-Speed Manual, Fuel Injected, Water Cooled, 37.43″ Seat Height
Original price was: $5,999.00.$5,399.00Current price is: $5,399.00.

Trailmaster JHL LX300 Pro 283cc EFI Dirt Bike, 6-Speed Manual, Fuel Injected, Water Cooled, 37.43″ Seat Height
The TrailMaster JHL LX300 redefines off-road performance by merging advanced engineering with unmatched durability. Powered by a 283cc Zongshen engine, this dirt bike boasts a twin overhead cam design and a balanced shaft for smooth and powerful rides. Its water-cooled, fuel-injected system ensures peak reliability and performance, rivaling bikes costing significantly more. With electric start and a kick-start backup, the LX300 is always ready to conquer any terrain. Additionally, the Japanese CHOCHO 520HDS heavy-duty chain optimizes power transfer, making it a top-tier choice for off-road enthusiasts.
Rugged Design & Customizable Suspension
Built for endurance, the LX300 features a precision jig-welded 30 CrMo alloy frame, combining lightweight construction with exceptional strength. Its adjustable inverted 54/60-950mm front forks and two-way adjustable rear mono-shock provide fully customizable suspension, delivering superior control and comfort over the roughest trails.
Functional, Weather-Ready Features
Engineered for all conditions, the LX300 includes a waterproof wiring harness and a polymer-shelled LED headlight, ensuring reliability in challenging environments. The performance-tuned stainless steel exhaust enhances power output, while 7-series aluminum handlebars and CNC alloy brake levers ensure precise handling and durability. CNC-forged alloy triple clamps further enhance stability and responsiveness.
Performance & Control
The LX300 is equipped with CNC-forged alloy wheels wrapped in high-quality Kenda tires, delivering agility and durability on demanding trails. A 6-speed manual transmission offers riders precise control over power delivery, while oversized vented GG disc brakes provide consistent and reliable stopping power, even in extreme conditions.
Product Highlights:
- 283cc Zongshen Engine with EFI: Powerful and water-cooled with a balanced shaft for smooth, consistent power delivery.
- 37.43-Inch Seat Height: Ideal for larger riders seeking a comfortable fit.
- Dual Adjustable Inverted Front Shocks: Ensures superior stability and rider control.
- Triple Adjustable Rear Shock: Tailored for a smooth, customizable ride experience.
- Performance Stainless Steel Muffler: Maximizes exhaust flow and durability.
- LED Headlight with Tough Polymer Lens: Offers excellent visibility in low-light conditions.
- CNC Forged Alloy Wheels: Lightweight and designed for strength.
- High-Performance Japanese CHOCHO 520HDS Chain: Optimizes power transfer for top performance.
- CNC Alloy Brake Levers & Triple Clamps: Engineered for durability and rider control.
- 7 Series Aluminum Alloy Handlebars: Lightweight with exceptional durability.
- Kenda Tires: Delivers superior grip and durability across various terrains.
- Waterproof Wiring Harness: Protects critical electrical components in harsh environments.
- Non-Slip Gripper Seat: Ensures rider comfort and stability during intense rides.
- Oversized Front & Rear Disc Brakes: Provides reliable, responsive braking performance.
Vehicle Specifications
| Engine | |
|---|---|
| Engine Type | Zongshen NC300S, Single cylinder, 4-stroke, 4-valve, water-cooling, double overhead camshaft, with balance shaft |
| Displacement | 283 cc |
| Max Power | 23 kW @ 9000 r/min (±5%) |
| Max Torque | 25 N·m @ 7000 r/min (±5%) |
| Compression Ratio | 11.6:1 |
| Shift Type | 6 gears |
| Start Type | Electric / Kick Start |
| Fuel Supply | EFI |
| Min. Fuel Consumption | ≤354 g/kw.h |
| Lubricant Type | SJ 10W-40 |
| Transmission | Chain Drive |
| Dimensions | |
| Overall Size (L × W × H) | 2190 × 810 × 1290 mm (86.28 × 31.91 × 50.82 inches) |
| Wheelbase | 1500 mm (59.1 inches) |
| Seat Height | 950 mm (37.43 inches) |
| Ground Clearance | 300 mm (11.82 inches) |
| Fuel Capacity | 7 L (1.85 gallons) |
| Minimum Turning Radius | 2500 mm |
| Suspension, Frame, and Wheels | |
| Frame | 30 CrMo Steel, High Strength |
| Front Shock | Front Dual Chamber Dual Adjustable Inverted Shock Absorbers |
| Rear Shock | Rear Triple Adjustable Shock Absorber |
| Rocker Arm | CNC Aluminium Alloy Linkage |
| Upper and Lower Triple Clamps | CNC Forged Aluminium Alloy |
| Handlebar | 7 Series Aluminium Alloy |
| Wheels | GLM 7-Series Aluminium Alloy, CNC Hubs |
| Tires | KENDA Tires (Front: 21″, Rear: 18″) |
| Brake and Exhaust | |
| Front Brake | Disc |
| Rear Brake | Disc |
| Brake Type | GG Grade |
| Exhaust | Stainless Steel Muffler |
| Additional Features | |
| Fork | Aluminium Alloy Welded Fork |
| Chain | DID Chain |
| Sprocket | Alloy |
| LED Headlights | With Lens |
| Cooling Fan | Panasonic Cooling Fan |
| Water Tank Cover | Aluminium Alloy |
| Engine Body Covers | Plastic (Left & Right) |
| Engine Bottom Shield | Included |
| Hand Grip Protector | Included |
| Hourmeter | Included |
| Rear Disc Protection Cover | Included |
| Optional | 3A Lithium Battery |
| Weight and Packing | |
| Packing Size | 2200 × 460 × 1280 mm (86.68 × 18.12 × 50.43 inches) |
| Net Weight | 121 kg / 266.2 lbs |
| Gross Weight | 166 kg / 365.2 lbs |
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