TrailMaster JHL LX250 Pro Series, Fuel Injected, Loncin 40HP, Water Cooled, 37.8 inch seat height,
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Trailmaster continues to impress with the JHL partnership. There is a difference is bikes at this price point, and this bike has them all. Bosch fuel injection paired with the popular Loncin 249.9cc engine. Water cooled with 40 HP. The trans is a constant mesh two stage 5 speed maual. The suspension is adjustable with KYB shocks front and rear. High-performance DID chain and rims, Forged alloy triple tree and hubs, Kendall tires.
Over the last three years, the JHL bikes have been catching on, although we cannot claim they are a Big 5 yet, but they are getting close. Attention to details like stainless steel exhaust, balance shaft engine, gripper non slip seat, and waterproof wire harness, once again puts these bikes in the conversation about quality dirt bikes, but cost 50% less. Folding brake levers and 7 series aluminum handlebars keep in light and saves down time from the need for replacement levers. Once again, attention to every detail.
Use high-octane fuel, NO ETHANOL.
Trailmaster continues to impress with the JHL partnership. There is a difference is bikes at this price point, and this bike has them all. Bosch fuel injection paired with the popular Loncin 249.9cc engine. Water cooled with 40 HP. The trans is a constant mesh two stage 5 speed maual. The suspension is adjustable with KYB shocks front and rear. High-performance DID chain and rims, Forged alloy triple tree and hubs, Kendall tires.
Over the last three years, the JHL bikes have been catching on, although we cannot claim they are a Big 5 yet, but they are getting close. Attention to details like stainless steel exhaust, balance shaft engine, gripper non slip seat, and waterproof wire harness, once again puts these bikes in the conversation about quality dirt bikes, but cost 50% less. Folding brake levers and 7 series aluminum handlebars keep in light and saves down time from the need for replacement levers. Once again, attention to every detail.
Use high-octane fuel, NO ETHANOL.
- 40 Horse Power Super Powerful water-cooled 250cc Loncin YK250 balance shaft engine
- BOSCH EFI system
- Large frame with 37.8 inch seat height
- KYB Front and Rear shocks
- Performance stainless steel muffler
- DID front and rear rims
- High performance Japanese DID Chain
- CNC alloy linkage
- CNC forged alloy upper and lower triple clamps
- 3A Lithium battery
- 7 series aluminum alloy handlebar
- Kenda tires
- Waterproof wire harness
- Non-slip gripper seat
| Brand/Model | LONCIN / YK250 |
| Type | Single-cylinder, four-stroke, water-cooled, DOHC, four-valve,balance shaft,EFI |
| Bore × Stroke (mm) | 79 × 51 |
| Displacement (mL) | 249.9 |
| Compression Ratio | 13.9:1 |
| Maximum Net Power & Speed (kW/(r/min)) | 30 / 11,500 (1 ± 1.5%) |
| Maximum Horse Power | 40.28 |
| Maximum Torque & Speed (N·m/(r/min)) | 27 / 10,500 (1 ± 1.5%) |
| Minimum Idle Stable Speed (r/min) | 1500 ± 150 |
| Minimum Fuel Consumption Rate (g/(kW·h)) | ≤354 |
| Fuel Type & Grade | Unleaded gasoline, 95# or above |
| Lubricating Oil Grade | Engine oil 10W-40, SL or above |
| Lubricating Oil Capacity (L) | 1.1 |
| Lubrication Method | Combined pressure & splash |
| Clutch Type | Manual, wet multi-plate |
| Transmission Type | Constant-mesh, two-stage, 5-speed |
| Starting Method | Electric start |
| Ignition System | BOSCH EFI |
| Gear Shift Pattern | International 5-speed |
| Final Drive | Chain drive |
| Vehicle Specifications | |
| Overall Dimensions (L × W × H) (in/mm) | 85.4 X 32.7 X 50.8/ 2170 × 830 × 1290 |
| Wheelbase (in/mm) | 59 /1500 |
| Minimum Ground Clearance (in/mm) | 11.8 / 300 |
| Seat Height (in/mm) | 37.8 / 960 |
| Minimum Turning Radius (in/mm) | 98.4 / 2500 |
| Curb Weight (lb) | 235.4 |
| Rated Load Capacity (lb) | 330 |
| Brake Type (Front/Rear) | Disc / Disc |
| Brake Operation (Front/Rear) | Hand-operated / Foot-operated |
| Rim Type (Front/Rear) | Spoked / Spoked |
| Tire Size (Front/Rear) | 80/100-21 / 100/90-19 |
| Tire Pressure (Front/Rear) (kPa) | 225 / 230 |
| Maximum Speed (m/h) | 66 |
| Starting Performance (s) | ≤15 |
| Acceleration Performance | Start Acceleration (s): ≤15 |
| Overtaking Acceleration (s): ≤15 | |
| Climbing Ability (°) | ≥20 |
| Fuel Tank Capacity (Gallon) | 1.6 |
| Key Features | |
| F&R shocks | KYB |
| Max Power | 40 HP |
| Rims | DID |
| Hub | CNC alloy |
| Linkage | CNC alloy |
| Chain | DID |
| F&R Brake | NISSIN |
| Fuel Supply | BOSCH EFI |
| Tire | Kenda |
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