The 2011 Yamaha WR250X is a supermoto inspired dual purpose On-Off Road bike. Powertrain is a 250cc, liquid-cooled, single cylinder, 4-valve, DOHC electronic fuel injected engine with ultra-light titanium intake valve. The motorcycle measures 83.1 in. in length and weights 302 lbs. Exhaust utilizes stainless steel header pipe with a compact 3-stage expansion upswept muffler and honeycomb catalytic converter, and Yamaha’s Exhaust Ultimate Power Valve (EXUP System) that eliminates flat spot in the power band and cut emission. Main frame is semi-double cradle cast aluminum, while forged aluminum is used under the main frame, and high tensile steel formed the separate detachable down tubes. Kayaba front fork is compression and rebound damping adjustable, while rear monocross suspension also has fully adjustable piggy back shock. This bike is equipped with 2 gallon steel fuel tank with built in electric fuel tank, steel handlebars with reinforcing cross bar, gripper seat cover on a slim-line bodywork, adjustable front brake lever, slim halogen headlight, 17” radial sport tires, plastic rear caliper protector, compact Yuasa sealed gell-flled 6 amp-hour battery, and heavy duty rubber swingarm protector.
Below table outlines detailed information regarding the 2011 Yamaha WR250X Specs (technical specification) and Data which cover engine system, power and torque, transmission, wheel, brakes, suspension, chassis, dimension and fuel requirements and specs.
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Model Type
Country of Origin
ENGINE
Engine type
Stroke
Cylinder
Valves / Valve per cylinder
Valves configuration
Displacement
Bore x Stroke
Horsepower
Torque
Compression ratio
Starter
Cooling system
Fuel requirement / system
Ignition
Fuel Economy
TRANSMISSION
Transmission Type
Number of speed
Final drive
Clutch
WHEELS & TIRES
Wheels Type / Composition
Tube / Tubeless
Front Tire
Rear Tire
BRAKES & SUSPENSION
Front Brake
Rear Brake
Front suspension type
Rear suspension type
Suspension travel
Number of rear shock
DIMENSION & OTHER SPECS
Frame
Exhaust system
Overall Length
Overall Width
Overall Height
Seat Height
Seat Type
Ground clearance
Wheelbase
Wet Weight
Lubrication
Fuel tank capacity
CO2 Emission
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: Dual purpose on-off road, street / dirtbike
: Japan
:
: Single cylinder
: 4-Stroke
: 1
: 2 / 2
: DOHC
: 250 cc (15.26 cu.in.)
: 3.0 x 2.1 in.
: 30.31 hp (22.1 kW) @ 10000 rpm
: 17.5 ft.lbs (23.7 Nm) @ 8000 rpm
: 11.8:1
: Electric
: Liquid
: Fuel injection
: Direct ignition coil
: 71 mpg (30.2 km/L) combined
:
: Manual, constant mesh
: 6
: Chain
: Wet, multi-plate
;
: Multi-spoke
: Tubed
: Bridgestone® 110/70-17
: Bridgestone® 140/70-17
:
: Hydraulic single-disc brake, 298mm
: Hydraulic single-disc brake, 230mm
: Inverted fork, fully adjustable
: Twin Sided Swing Arm, single shock, fully adjustable
: 10.6 in. – front , 10.4 in. – rear
: 1
:
: Semi double cradle, Aluminum
: Stainless steel header pipe, compact 3-stage expansion muffler
: 83.1 in.
: 31.9 in.
: 46.9 in.
: 35.2 in.
: One-piece
: 10.2 in.
: 56.1 in.
: 302 lbs.
: Wet sump
: 2.0 gal.
: 76.8 g/km
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Tags: Brakes, Cooling system, Cylinder, Emission, exhaust, Final drive, Fuel economy, Ground clearance, Ignition, On-Off Road, Power, seat height, Suspension, Tires, Torque
This entry was posted on Tuesday, April 5th, 2011 at 2:09 pm and is filed under Motorcycle, WR250X, Yamaha.
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The 2011 Yamaha WR250X is a supermoto inspired dual purpose On-Off Road bike. Powertrain is a 250cc, liquid-cooled, single cylinder, 4-valve, DOHC electronic fuel injected engine with ultra-light titanium intake valve. The motorcycle measures 83.1 in. in length and weights 302 lbs. Exhaust utilizes stainless steel header pipe with a compact 3-stage expansion upswept muffler and honeycomb catalytic converter, and Yamaha’s Exhaust Ultimate Power Valve (EXUP System) that eliminates flat spot in the power band and cut emission. Main frame is semi-double cradle cast aluminum, while forged aluminum is used under the main frame, and high tensile steel formed the separate detachable down tubes. Kayaba front fork is compression and rebound damping adjustable, while rear monocross suspension also has fully adjustable piggy back shock. This bike is equipped with 2 gallon steel fuel tank with built in electric fuel tank, steel handlebars with reinforcing cross bar, gripper seat cover on a slim-line bodywork, adjustable front brake lever, slim halogen headlight, 17” radial sport tires, plastic rear caliper protector, compact Yuasa sealed gell-flled 6 amp-hour battery, and heavy duty rubber swingarm protector.