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
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
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
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
Yamaha YZ85 2011
Yamaha TT-R110 2011
Yamaha TT-R125 2011
Yamaha TT-R230 2011
YAMAHA WR450F 2011
YAMAHA WR250F 2011
