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2/21 Princes Highway Albion Park Rail NSW 2527   |  Phone (02) 4231 6969

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Yamaha YZ250F

Contact us on 42 316969
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Product Description

The YZ250F is aimed at taking the quarter litre motocross class to the next level.  Design goals of the new machine are increased power and optimal handling. The reverse-engine layout that has proved so successful on the 450 was selected to achieve these goals.  

The engine features a fuel injection system, with revised fuel and ignition timing, that gives a great throttle response and doesn’t need to be set to temperature or altitude like a carb does.

The development team has made the new 250F smaller, lighter and easier to use. The reversed engine layout also helps with concentrating the heavy masses around the centre of gravity.

Features

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  • Reverse fed fuel injected DOHC, 4-valve engine with offset cylinder. By offsetting the cylinder from the centre of the crankshaft, friction losses are further reduced.
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  • Though it may look similar, the main frame is an all new construction.It is created using 10 different types of forged, cast and extruded aluminium parts that are welded together into one unit with outstanding strength, rigidity balance and shock absorbing capacity that contribute to superior cornering performance.
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  • Quick release fastners on the airbox allows for easy access, to the large capacity air filter.
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  • The muffler is moved forward. The exhaust pipe, which needs a certain length for good low and mid range torque, winds around the cylinder head like a snake, centralising weight.
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  • Handlebars are rubber mounted for less fatigue when riding and, with less vibrations coming through, a better ‘feel’ of the front wheel.
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  • Graphics on the bike are not stickers but a new ‘in-mould’ design for greater durability.

 

 

 

 

Specifications

Engine
Engine Type Liquid-cooled, 4-stroke, DOHC, 4-valves
Displacement 250 cc
Bore x Stroke 77 x 53.6 mm
Compression Ratio 13.5:1
Lubrication System Dry sump
Fuel Management Fuel Injection
Ignition TCI
Starter System Kick
Fuel Tank Capacity 7.5 L
Oil Capacity 0.9 L
Final Transmission Constant mesh 5-speed
Transmission Chain
Dimensions
Length 2170 mm
Width 825 mm
Height 1280 mm
Seat Height 965 mm
Wheelbase 1475 mm
Ground Clearance 330 mm
Dry Weight 99 kg
Wet Weight 105 kg with 7.5 litres of fuel
Chassis
Frame Type Bilateral Beam
Suspension Front Telescopic fork, 330mm travel
Suspension Rear Swingarm (link suspension), 315mm travel
Brakes Front Hydraulic single disc
Brakes Rear Hydraulic single disc
Tyres Front 80/100-21 MS32
Tyres Rear 100/90-19 MS32

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