TrailMaster JHL Pro Series TM LX250R – 250cc EFI Water-Cooled Dirt Bike

The TrailMaster JHL Pro Series TM LX250R is a high-performance competition-ready dirt bike built for riders who demand power, precision, and premium components. Powered by the Loncin YK250 249.9cc water-cooled DOHC engine, this machine delivers an impressive 40 horsepower with smooth power output thanks to its balance shaft and BOSCH EFI fuel injection system.

Designed with a large full-size motocross frame and a tall 37.8-inch seat height, the LX250R is ideal for aggressive trail riding, motocross tracks, and competitive off-road use. Premium components such as KYB front and rear suspension, NISSIN hydraulic disc brakes, DID rims and chain, CNC alloy linkage, and Kenda tires ensure superior handling, durability, and control in demanding conditions.

With its lightweight chassis, stainless steel performance muffler, waterproof wiring harness, and race-inspired ergonomics, the TrailMaster TM LX250R stands out as a serious dirt bike for experienced riders seeking professional-grade performance at an exceptional value.

Product Features

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

TECHNICAL SPECS

Engine System

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

Size Data
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

Tx Powersports present TrailMaster JHL Pro Series TM MK125, TM MK125s, TM SX125, TM-SX150, TM MX250, TM MX250 Pro, TM LX250, TM LX300, TM LX300 Pro

Model	max.weight	Wheel Base	Seat height	Engine size	Starting	Transmission	Tires Front	Rear
TM MK125	149.6LB	45.31''	29.55''	125cc	Kick Start	Chain Drive	60/100 -14	80/100 -12
TM MK125s	149.6LB	45.31''	29.55''	125cc	Electric / Kick Start	Chain Drive	60/100 -14	80/100 -12
TM SX125	189.2LB	49.25''	32.70''	125cc	Electric / Kick Start	Chain Drive	70/100-19	90/100-16
TM SX150	189.2LB	49.25''	32.70''	140cc	Electric / Kick Start	Chain Drive	70/100-19	90/100-16
TM MX250	266.2LB	54.96 ''	35.46''	223cc	Electric / Kick Start	Chain Drive	80/100-21	110/100-18
TM MX250 Pro	266.2LB	54.96''	35.46''	250cc	Electric / Kick Start	Chain Drive	80/100-21	110/100-18
TM LX250	266.2LB	59.1''	37.43''	250cc	Electric / Kick Start	Chain Drive	Cordial tyre 21"/18"	Cordial tyre 21"/18"
TM LX300	266.2LB	59.1''	37.43''	283cc	Electric / Kick Start	Chain Drive	Cordial tire 21"/18"	Cordial tire 21"/18"
TM LX300 Pro	266.2LB	59.1''	37.43''	283cc	Electric / Kick Start	Chain Drive	Cordial tire 21"/18"	Cordial tire 21"/18"

Tx Powersports present TrailMaster Dirt Bike TM series TM10, TM11, TM15, TM21, TM22, TM23, TM24, TM27, TM29, TM31, TM36, TM38

Model	max.weight	Wheel Base	Seat height	Engine size	Starting	Transmission	Tires Front	Rear
TM10	150LB	39.37''	24.41''	110cc	Kick Start	Automatic Clutch ,N-1-2-3-4	2.5x10	2.5x10
TM11	150LB	39.37''	24.41''	110cc	Electric	Automatic clutch, One gear	2.5x10	2.5x10
TM15	150LB	40''	24.4''	110cc	Kick & Electric Start	Automatic Clutch ,N-1-2-3-4	2.75x12	3x10
TM21	170LB	41.54''	29.13''	125cc	Kick Start	Automatic Clutch ,N-1-2-3-4	60/100-14	80/100-12
TM22	170LB	41.54''	29.13''	125cc	Kick Start	Manual Clutch, N-1-2-3-4	60/100-14	80/100-12
TM23	170LB	41.54''	29.13''	125cc	Kick & Electric Start	Automatic Clutch ,N-1-2-3-4	60/100-14	80/100-12
TM24	170LB	42.3''	32.7''	125cc	Kick Start	Manual Clutch, N-1-2-3-4	70/100-17	90/100-14
TM27	200LB	49.8''	33.5''	125cc	Kick Start	Manual Clutch, N-1-2-3-4	70/100-17	90/100-14
TM29	200LB	49.8''	33.5''	125cc	Kick & Electric Start	Manual Clutch, N-1-2-3-5	70/100-17	90/100-14
TM31	280lbs	53.1"	34"	250cc	Electric & Kick Start	Manual Wet Multi-Plate, 1-N-2-3-4-5, 5-Gears	70/100-19	90/100-16
TM33	300lbs	59"	37"	223cc	Electric & Kick Start	Manual Wet Multi-Plate, 5gears	80/100-21	110/100-18
TM36	300lbs	59"	37"	300cc	Electric & Kick Start	Manual Wet Multi-Plate, Constant-mesh, two-stage transmission, 5-Gears	80/100-21	110/100-18
TM38	300lbs	59"	37"	300cc	Electric & Kick Start	Wet multi disc clutch, International Gear Pattern,6-Speed