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Motorcycles Specs > Yamaha > Yamaha YZ 125

Yamaha YZ 125 Specs

The Yamaha YZ 125 model is a Cross / motocross bike manufactured by Yamaha . In this version sold from year 2005 , the dry weight is  and it is equiped with a Single cylinder, two-stroke motor. The engine produces a maximum peak output power of  and a maximum torque of  . With this drive-train, the Yamaha YZ 125 is capable of reaching a maximum top speed of  . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Yamaha YZ 125 have a  frame with front suspension being 48mm Kayaba inverted cartridge fork w/adjustable compression and rebound damping and in the rear suspension it is equiped with Kayaba single shock w/adjustable preload, compression and rebound damping and separate hi/lo-speed compression adjusters . Stock tire sizes are 80/80-21 on the front, and 100/90-19 on the rear. As for stopping power, the Yamaha YZ 125 braking system includes Single disc size 250 mm (9.8 inches) at the front and Single disc size 245 mm (9.6 inches) at the rear. 

Yamaha YZ 125 General Information

Brand Yamaha 
Model Yamaha YZ 125 
Year 2005 
Year 2005 
Category Cross / motocross 
Factory Warranty (Years / miles)  

Yamaha YZ 125 Dimensions, Aerodynamics and weight

Frame type  
Seat details  
Wheelbase 59 mm (2.3 inches) 
Length 2,134 mm (84.0 inches) 
Width 828 mm (32.6 inches) 
Height 1,318 mm (51.9 inches) 
Seat Height 993 mm (39.1 inches) If adjustable, lowest setting. 
Alternate Seat Height  
Ground Clearance 401 mm (15.8 inches) 
Trail size  
Wheels details  
Front Tyres - Rims dimensions 80/80-21 
Rear Tyres - Rims dimensions 100/90-19 
Front brakes Single disc 
Rear brakes Single disc 
Front Brakes Dimensions - Disc Dimensions 250 mm (9.8 inches) 
Rear Brakes Dimensions - Disc Dimensions 245 mm (9.6 inches) 
Curb Weight (including fluids)  
Dry Weight  
Front Percentage of Weight  
Rear Percentage of Weight  
Weight-Power Output Ratio :  
Fuel Tank Capacity 7.94 litres (2.10 gallons) 
Reserve Fuel Capacity  
Carrying Details and Capacity  
Front Suspension 48mm Kayaba inverted cartridge fork w/adjustable compression and rebound damping 
Front Suspension Travel 300 mm (11.8 inches) 
Rear Suspension Kayaba single shock w/adjustable preload, compression and rebound damping and separate hi/lo-speed compression adjusters 
Rear Suspension Travel 315 mm (12.4 inches) 

Yamaha YZ 125 Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, two-stroke 
Engine details  
Fuel system Carburettor 
Engine size - Displacement - Engine capacity 124.00 ccm (7.57 cubic inches) 
Bore x Stroke 54.0 x 54.5 mm (2.1 x 2.1 inches) 
Compression Ratio 8.7:1 
Number of valves per cylinder
Camshaft Valvetrain Configuration  
Maximum power - Output - Horsepower  
Maximum torque  
Engine Maximum RPM  
Cooling system Liquid 
Lubrication system  
Engine oil capacity  
Exhaust system  
Gearbox 5-speed 
Transmission type, final drive ratio Chain 
Clutch type  
Driveline  

Yamaha YZ 125 Performance

Top Speed  
Acceleration 0 to 100 km/h (0 to 62 mph)  
Acceleration 0 to 400m (1/4 mile)  
Recuperation 60 to 140 km/h in highest gear  
Fuel Consumption - MPG - Economy - Efficiency  
CO2 emissions  
Emissions  

Yamaha YZ 125 Electrical Systems, Ignition and Equipment

Ignition Type  
Electrical Details  
Starter Type  
Instruments  
Lights