For 2019 season Yamaha introduce the all-new YZ250F, the most sophisticated model in its class. Featuring a newly designed high-performance electric start engine and an agile new chassis, this state of the art 250cc 4-stroke opens up a new era in wireless connectivity and trackside tuneability with its Yamaha Power Tuner smartphone app.
ENGINE
Type
Liquid-cooled, DOHC, 4-stroke, 4-valves
Displacement
250cc
Bore x stroke
77.0 mm x 53.6 mm
Compression ratio
13.8 : 1
Maximum horse power
Maximum torque
Starting system type
Electric starter
Lubrication system
Wet sump
Clutch type
Wet, Multiple Disc
Fuel system
Fuel injection
Ignition system
TCI
Transmission system
Constant mesh, 5-speed
Final transmission system
Chain
CHASSIS
Frame
Semi double cradle
Front suspension
Upside-down telescopic fork
Front wheel travel
309.8 mm
Rear suspension
Monoshock
Rear wheel travel
314.9 mm
Caster angle
27º 10′
Trail
119 mm
Front brake
Single Disc, Ø 270 mm
Rear brake
Single Disc, Ø 245 mm
Front tyre
80/100 – 21 51M
Rear tyre
100/90 – 19 57M
DIMENSIONS
Overall length
2,175 mm
Overall width
825 mm
Overall height
1,285 mm
Seat height
970 mm
Wheelbase
1,475 mm
Min. ground clearance
335 mm
Wet weight (including full oil and fuel tank)
106 kg
Fuel tank capacity
6,2 L