J11 is a full size bike of BOSUER dirt bike family, it is fixed with the biggest air cooled engine with BOSUER steel frame series.
Engine: CB300 4-valve engine, 4-stroke, internal balance shaft, 6-speed, electric start
Frame: steel full size dirt bike frame with linkage, alloy swing arm
Wheel: front 21″, rear 18″
Suspension: adjustable
Brake system: Mojo brake, 2 pistons of front brake, 1 pistion rear
Muffler: stainless steel with power bomb
The BOSUER J11 is a full-size trail dirt bike featuring a powerful 300cc 4-valve air-cooled engine with electric start and 6-speed transmission, making it perfect for competition and dual-purpose adventures. Built on a durable steel frame with an alloy swing arm, it offers exceptional handling and performance. The bike includes adjustable suspension, MOJO high-performance brake systems with hollowed disc brakes, and a stainless-steel muffler with a power bomb for enhanced output. Inspired by the BSE 250 design, its bold curves and lines exude strength and style. The J11 is the ultimate trail dirt bike for power, durability, and versatility.
ENGINE | Engine Type | TY 300CC , 4-valve, 4-stroke, air cooled, E start |
Bore X Stroke(mm) | 72*68.2mm | |
Expression Rate | 9.2:1 | |
Max Power | 19.8KW/8500rpm | |
Max Torque | 24N.m/6000rpm | |
Transmission | 6-speed | |
Ignition | CDI | |
Carburetor | PWK34 | |
Chain/Sprocket | 520-13/520-49 | |
CHASSIS | Fuel Capacity | 6.5L |
Handle Bar | Alloy, fat type, Ф28.5 | |
Triple Clamp | Forged alloy 6061 | |
Frame | Embracing high strengthened formed steel pipe | |
Swing Arm | Formed steel, knife shape | |
Suspension | Front fork : 54/60-930mm, rebound and compression adjustment | |
Rear shock: 480mm , air box, rebound and compression adjustment | ||
Disc Brake | Disc brake, disc size: front: 240mm/ rear: 240mm | |
Wheel | Alloy rim, rim size, front: 1.60-21/ rear: 2.15-18 | |
Tire | Tire size: front: 80/100-21 / rear:100/90-18 |