Bilder och info på 2011 års enduro och motocrossmodeller från Yamaha

Idag kan Fastbikes.se visa upp de första bilderna och en del teknisk fakta för ett antal av 2011 års enduro - motocrossmodeller (WR250F, WR450F, YZ450F, YZ250F, YZ250, YZ125, YZ85, TT-R110, TT-R125 och TT-R230) från Yamaha. Efter förra årets stora modellförändringar för Yamahas del består förändringarna inför 2011 framförallt av mindre detaljer såsom exempelvis ny grafik...

 

YAMAHA YZ450F - 2011

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YZ450F-2

YZ450F-3

YZF-450-04

YZF-450-05

 

2011 YZ450F SPECS

YZ450F FEATURES:

* Rearward-slanting, 450cc, 4-valve engine

* Aluminum Bilateral Beam frame

* Ergonomic design for easier riding

* Fuel injection for optimum air-fuel ratios

* Rigid rear wheel spokes

* GYTR Power Tuner (optional accessory)

 

YZ450F ENGINE:

Engine type: Liquid cooled 4-stroke, DOHC, 4-valve, rearward slanting single cylinder

Displacement: 449.7 cc

Bore x stroke: 97.0 x 60.8 mm

Compression ratio: 12.5 : 1

Lubrication system: Dry sump

Fuel System: Fuel injection

Clutch type: Wet, multiple-disc

Ignition system: Full Transistor

Starter system: Kick

Transmission system: Constant mesh, 5-speed

Final transmission: Gear

Fuel tank capacity: 6.2 L

Oil tank capacity: 1.2 L

 

YZ450F CHASSIS:

Chassis: Bilateral Beam frame

Front suspension: Telescopic forks

Front travel: 310 mm

Rear suspension: Swingarm (link suspension)

Rear travel: 312 mm

Caster angle: 26° 47'

Trail: 117.5 mm

Front brake: Single disc, Ø 250 mm

Rear brake: Single disc, Ø 245 mm

Front tire: 80/100-21 51M

Rear tire: 110/90-19 62M

 

YZ450F DIMENSIONS:

Length: 2,191 mm

Width: 825 mm

Height: 1,311 mm

Seat height: 999 mm

Wheel base: 1,487 mm

Minimum ground clearance:383 mm

Wet weight: 111.9 kg

 


YAMAHA YZ250F 2011

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YZF250carb

2011 YZ250F SPECS

YZ250F FEATURES:

* Lightweight Bilateral Beam aluminium frame

* Improved mass-centralisation for better handling

* 4-stroke DOHC single-cylinder 250cc 5-valve engine

* Long-stroke suspension for traction and road feel

* New generation competition styling

YZ250F ENGINE:

Engine type: Liquid-cooled, 4-stroke, forward-inclined single cylinder, 5-valves, DOHC

Displacement: 250 cc

Bore x stroke: 77.0 x 53.6 mm

Compression ratio: 13.5 : 1

Lubrication system: Dry sump

Carburetor: Keihin FCR-MX37/1

Clutch type: Wet, multiple-disc

Ignition system: CDI

Starter system: Kick

Transmission system: Constant mesh, 5-speed

Final transmission: Chain

Fuel tank capacity: 6.4 L

Oil tank capacity: 1.2 L

 

YZ250F CHASSIS:

Chassis: Aluminum Bilateral Beam

Front suspension: Telescopic forks

Front travel: 300 mm

Rear suspension: Swingarm (link suspension)

Rear travel: 310 mm

Caster angle: 27º 10'

Trail: 117.4 mm

Front brake: Single disc, Ø 250 mm

Rear brake: Single disc, Ø 245 mm

Front tire: 80/100-21-51M

Rear tire: 100/90-19 57M

 

YZ250F DIMENSIONS:

Length: 2,168 mm

Width: 825 mm

Height: 1,304 mm

Seat height: 991 mm

Wheel base: 1,473 mm

Minimum ground clearance: 377 mm

Wet weight: 102.8 kg

 



Yamaha YZ250 2011

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YZ250-02

2011 YZ250 TWO-STROKE SPECS

YZ250 ENGINE:

Engine type: Liquid-cooled, 2-stroke, forward-inclined single cylinder, reed valve, with YPVS

Displacement: 249 cc

Bore x stroke: 66.4 x 72.0 mm

Compression ratio: 8.9 - 10.6 : 1

Lubrication system: Premix

Carburetor: Keihin PWK38S/1

Clutch type: Wet, multiple-disc coil spring

Ignition system: CDI

Starter system: Kick

Transmission system: Constant mesh, 5-speed

Final transmission: Chain

Fuel tank capacity: 8 L

Oil tank capacity: 0.8 L

 

YZ250 CHASSIS:

Chassis: Aluminum semi-double cradle

Front suspension system: Telescopic forks

Front travel: 300 mm

Rear suspension: Swingarm (link suspension)

Rear travel: 315 mm

Caster angle: 27.1º

Trail: 118 mm

Front brake: Single disc, Ø 250 mm

Rear brake: Single disc, Ø 245 mm

Front tire: 80/100-21 51M

Rear tire: 110/90-19 62M

 

YZ250 DIMENSIONS:

Length (mm): 2,184 mm

Width (mm): 827 mm

Height (mm): 1,309 mm

Seat height (mm): 997 mm

Wheel base (mm): 1,481 mm

Minimum ground clearance (mm): 385 mm

Service weight (kg): 103.9 kg

 


Yamaha YZ125 2011

 

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Yamaha YZ85 2011

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Yamaha TT-R110 2011

TTR110

 


Yamaha TT-R125 2011

TTR125

 


Yamaha TT-R230 2011

TTR230

 


YAMAHA WR450F 2011

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YAMAHA WR250F 2011

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