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2020 Yamaha YZ250F

Equipped with the most advanced performance-boosting technology in its class, the YZ250F’s all-new engine is the most powerful production 250cc 4-stroke ever manufactured by Yamaha.

Its new lightweight electric starter saves valuable seconds when it matters – and with Yamaha’s exclusive Power Tuner app and adjustable mapping, it’s easy to choose the exact power profile for optimum race results at every track.

The compact new chassis increases agility – and new suspension systems deliver winning performance with class-leading feel. So expect more. Because the all-new Yamaha YZ250F gives you the highest level of tuneable performance ever seen in the 250cc class.

PRICE: P.O.A

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250cc liquid-cooled DOHC 4-valve engine

A new engine offers YZ250F riders the best balance of high-rpm power with a broad, useable powerband. The new, higher-compression piston and new intake and exhaust valving delivers outstanding engine character with a focus on top-end power delivery. The cylinder is also lighter and angled more upright to improve mass-centralisation.

Aluminium bilateral beam frame

The new compact bilateral beam frame is completely new to further refine the instinctive handling the YZ250F is known for. Larger upper frame bracing improves rigidity and durability, while wider rear frame spars and all-new engine mounts centralise mass for the best possible balance of bump absorption, stiffness and feeling of grip.

Yamaha smartphone tuning

Yamaha broke new ground with the YZ450F Power Tuner app by allowing convenience, flexibility and tunability via your iPhone or similar. Now the 250F can accept fuel and ignition timing changes instantly – you can upload them to the bike via the onboard WiFi system for the ultimate in track-side tuning and engine diagnostics.

Adjustable engine maps

Two-mode adjustable engine mapping allows the rider to adjust engine character with the push of a handlebar mounted button, making it easy to tune the YZ250F for changing track or weather conditions between motos.

Electric starter system

Utilising a compact starter motor and ultra-lightweight lithium battery, the YZ250F brings the convenience of push-button starting to the racetrack, for effortless restarts under pressure, and relaxed riding when the clock isn’t ticking. Powered by a high-capacity and ultra-lightweight, four-cell lithium-ion battery, the system adds minimal weight.

TECHNICAL SPECS

  • Engine
  • Chassis
  • Dimensions
Engine Type Liquid cooled, 4-stroke, DOHC, 4-valve
Displacement (cc) 250.0
Bore x Stroke (mm) 77.0 x 53.6
Compression Ratio 13.8 : 1
Lubrication System Wet sump
Fuel Management Fuel Injection
Ignition TCI
Starter System Electric
Fuel Tank Capacity (L) 6.5
Final Transmission Chain
Transmission Constant mesh 5-speed
Frame Type Bilateral beam
Suspension Front Telescopic forks, 310mm travel
Suspension Rear Swingarm (link suspension), 315mm travel
Brakes Front Hydraulic single disc, 270mm
Brakes Rear Hydraulic single disc, 245mm
Tyres Front 80/100-21 51M
Tyres Rear 100/90-19 57M
Length (mm) 2175
Width (mm) 825
Height (mm) 1285
Seat Height (mm) 970
Wheelbase (mm) 1475
Ground Clearance (mm) 335
Wet Weight (kg) 106