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Yamaha YZ125 - 2011 Specifications and Reviews

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General information

CategoryCross / motocross
Year2011
ModelYamaha YZ125
 
 

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemDry sump
IgnitionCDI
Fuel systemCarburettor. Mikuni TMX 38
Bore x stroke54.0 x 54.5 mm (2.1 x 2.1 inches)
Compression8.6:1
Engine typeSingle cylinder, two-stroke
Capacity:124.00 ccm (7.57 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter245 mm (9.6 inches)
Rear brakesSingle disc. Wave
Front brakes diameter250 mm (9.8 inches)
Front brakesSingle disc. Wave
Rear tyre dimensions100/90-M19
Front tyre dimensions80/100-M21
Rear suspension travel315 mm (12.4 inches)
Rear suspensionFully adjustable single shock
Front suspension travel300 mm (11.8 inches)
Front suspensionSpeed-sensitive system inverted fork
Frame typeAluminium

Physical measures and capacities

Oil capacity0.70 litres (0.05 quarts)
Fuel capacity7.95 litres (2.10 gallons)
Wheelbase1,443 mm (56.8 inches)
Ground clearance386 mm (15.2 inches)
Overall width828 mm (32.6 inches)
Overall length2,136 mm (84.1 inches)
Overall height1,316 mm (51.8 inches)
Seat height998 mm (39.3 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc94.4 kg (208.0 pounds)

Other specs

LightDual 30W Krypton multireflector Headlights and 3.9/0.5W LED Brake light
StarterElectric
Wheelbase1,270 mm (50.0 inches)
Rear tyre20/10-9
Front tyre21/7-10
Rear SuspensionCast aluminum swingarm w/piggyback High/Low speed compression, rebound and threaded preload adjustment, 11.0-in travel
Front SuspensionIndependent double wishbone, w/Kashima coated piggyback shocks, High/Low speed compression, rebound
Driveline2WD; Sealed O-Ring Chain, Eccentric Adjustment
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Bore x Stroke95.0 x 63.4 mm (3.7 x 2.5 inches)
Compression11.6:1
ModelYamaha YFZ450X SE
Color optionsTeam Yamaha Blue/White
Factory warranty30 Day (Limited Factory Warranty)

Rider Reviews

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