Yamaha Byson

Engine

Engine type Air-cooled, 4-stroke, SOHC, 2-valve
Displacement 153.0cm3
Bore & Stroke 58.0 × 57.9mm
Compression ratio 9.5:1
Maximum output 14PS / 7500 rpm
Maximum torque 14 N.m / 6000 rpm
Starting method Electric starter
Lubrication type Wet sump
Carburetor type BS26
Clutch type Constant mesh wet multiplate
Ignition type CDI
Primary/secondary reduction ratio 3.409 / 2.857
Transmission type Return type 5-speed

Chassis

Frame type Diamond
Suspension (front/rear) Telescopic / Monocross
Wheelbase 1,335mm
Brake type(front/rear) Hydraulic single disc / drum
Tire size (front/rear) 100/80-17 / 140/60-R17

Dimensions

Overall Length × Width × Height 1,975mm × 770mm × 1,045mm
Seat height 790mm
Wheelbase 1,335mm
Minimum ground clearance 160mm
Dry weight/Curb weight 126 kg / 137 kg
Fuel tank volume 12 liters
Engine oil volume 1.2 liters