Yamaha YZ125 Specs, Top Speed, Mileage, Picture, Diagram & History

The Yamaha YZ 125 Model is a Motocross Motorcycle Manufactured by Yamaha. This Motorcycle Was First introduced in 1974. This Motorcycle Has an engine of Liquid-cooled, 2-stroke, Single-cylinder, 125cc. This Motorcycle Has been Added to 33.53 Horsepower. The Bike's top speed is Company Claimed To Be Around 112-120 km/h. The Yamaha YZ125 Bike's fuel tank capacity is 8.0 liters.

1. Yamaha YZ125 Gear Ratio
2. Yamaha YZ125 Fuel Consumption
3. Yamaha YZ125 Tire Pressure
4. Yamaha YZ125 Spark Plug Gap
5. Yamaha YZ125 Photos 
6. Yamaha YZ125 Owner Service Manuals
7. Yamaha YZ125 Technical Specifications
8. Yamaha YZ125 Top Speed and Acceleration Video

Yamaha YZ125

Yamaha YZ125 Gear Ratio

I     2.00

II    1.53    

III   1.31

IV   1.06

V    0.95

VI   0.83

Yamaha YZ125 Fuel Consumption

The company claimed the mileage of the Suzuki A100 is 26-28 kmpl. (Avg.).

Yamaha YZ125 Tire Pressure

Yamaha YZ125 Company Recommended Front Tire Pressure is 13 psi and The Rear Tire Pressure is 16 psi.

Yamaha YZ125 Spark Plug Gap

For this motorcycle, the manufacturer advises using spark plug gaps between 0.024 to 0.028 inches (0.6 to 0.7 mm).

Yamaha YZ125 Photos 

YZ125A 1974

Yamaha YZ125 1979

Yamaha YZ125 1981

Yamaha YZ125 Owner Service Manuals

Yamaha YZ125 Manuals PDF

Yamaha YZ125 Technical Specifications

More Specification
Bike Brand	Yamaha
Model Name / Also called	YZ125X, YZ 125
Production Year	1997 - 2019
Bike Type	Motocross
Brand Origin	Japan

Engine
Engine Type	125cc, Liquid-cooled, 2-stroke, Forward-inclined single cylinder, Reed valve with YPVS
Displacement (cc)	125cc
Maximum Power	33.53 hp @ 12000 RPM
Maximum Torque	17.7 ft/lbs (24.0 Nm) @ 10000RPM
Ignition	CDI
Fuel Supply	Keihin PWK38S/1
Bore & Stroke	54,0 x 54,5 mm
Starting	Kick
Cooling System	Liquid-cooled
Compression Ratio	8,2-10,1 : 1

Brakes
Brake Types	Disc
Front Brake	Hydraulic single disc, 270 mm
Rear Brake	Hydraulic single disc, 240 mm

Wheels and Tyres
Front Tire Seize	3.00-21 ('76 , '77-80 , '81 , '82) 2.75-21 ('74-75) 80/100-21 ('86-87 , '88 , '89-93 , '94-96 , '97-98 , '99-04 , '05-08) 90/90-21 ('83 , '84 , '85)
Rear Tire Seize	6675 ('76 , '77-80 , '81 , '82) 130/80-18 ('83 , '84 , '85) 100/90-19 ('89-93 , '94-96 , '97-98 , '99-04, '05-08) 3.50-18 ('74-75) 100/100-18 ('86-87, '88)

Dimension and Weight
Seat height	975 mm
Overall height	1295 mm
Overall length	2136 mm
Overall width	828 mm
Ground Clearance
Dry weight	86.2 Kg
Curb Weight	93.9 kg

Mileage and Performance
0-60 Kmph	-
0-100 Kmph	-
Top Speed	70 - 75 MPH (112 to 120 KMPH).
Fuel Capacity	8 liters
Fuel economy	-
Consumption Average	26-28 kmpl
Fuel Type	Petrol / Octane
Recommended Engine Oil

Features Value and Safety
Speedometer	No
Tachometer	No
Tripmeter	No

Electricals and Transmission
Recommended Spark Plugs	NGK BR9EG or NGK BR9EIX (Iridium)
Air Filter	-
Oil Filter	-
Battery	No
Voltage	No
Head Light	No
Tail Light	No
Gear Box	6-speed
Final Drive	Chain
Clutch	multiplate wet clutch
Chain Size	520

Chassis and Suspension
Front Suspension	KYB® Speed-Sensitive System inverted fork; fully adjustable, 11.8-in travel
Rear Suspension	KYB® single shock; fully adjustable, 12.4-in travel
Frame type	Aluminum Frame

More Specification
Bike Colours	Team Yamaha Blue, Yamaha Racing White, Black
No. of Cylinders	1 cylinder

Yamaha YZ125 Top Speed and Acceleration Video