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Yamaha YZ125 - 2023 Specifications and Reviews

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General information

CategoryCross / motocross
Year2023
ModelYamaha YZ125
 
 

Engine and Transmission Specifications

DrivelineConstant-mesh
ClutchMultiplate wet clutch
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
Lubrication systemPremix
IgnitionDigital CDI
Fuel systemCarburettor. Hitachi Astemo® Keihin PWK38S carburetor
Bore x Stroke54.0 x 54.5 mm (2.1 x 2.1 inches)
Compression10.1:1
Engine detailsReed-valve-inducted
Engine typeSingle cylinder, two-stroke
Capacity:125.0 ccm (7.63 cubic inches)

Brakes, suspension, Frame and wheels

WheelsBridgestone® Battlecross X20 tires.
Rear brakesSingle disc. Hydraulic.
Diameter270 mm (10.6 inches)
Front brakesSingle disc. Hydraulic.
Rear tire100/90-19
Front tire80/100-21
Rear wheel travel315 mm (12.4 inches)
Rear SuspensionKYB® single shock; fully adjustable
Front wheel travel300 mm (11.8 inches)
Front SuspensionKYB® Speed-Sensitive System inverted fork; fully adjustable
Trail109 mm (4.3 inches)
Rake (fork angle)26.0°
Frame typeAluminum semi-double cradle

Physical measures and capacities

Oil capacity0.70 litres (0.74 US quarts)
Fuel capacity6.81 litres (1.80 US gallons)
Wheelbase1445 mm (56.9 inches)
Ground clearance366 mm (14.4 inches)
Overall width826 mm (32.5 inches)
Overall length2136 mm (84.1 inches)
Overall height1295 mm (51.0 inches)
Seat height980 mm (38.6 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc94.8 kg (209.0 pounds)
 
 

Other specs

Factory warranty30 Day Limited Factory Warranty
StarterKick
Color optionsTeam Yamaha Blue

Maintenance and service data

Fork tube size48 mm (1.9 inches)
Tire pressure rear15 PSI (1 Bar or 100 kPa)
Tire pressure front15 PSI (1 Bar or 100 kPa)
Spark plugsNGK BR9EVX, NGK BR9EIX

Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2023 Yamaha YZ125 is an impressive dirt bike with powerful performance and excellent handling. Its 125cc engine delivers strong acceleration and top-end power, making it a competitive choice for motocross racing or off-road riding. The bike's lightweight chassis and smooth suspension provide agile handling and precise control, allowing riders to tackle rough terrain with confidence. With its stylish design and reliable build quality, the YZ125 is a fantastic option for anyone seeking a high-performance dirt bike. In addition to its impressive performance, the 2023 Yamaha YZ125 boasts a range of features that make it a top choice for off-road enthusiasts. The bike's ergonomic design and comfortable seating position ensure a pleasant riding experience, while its durable construction and robust components guarantee long-lasting reliability. Whether you're a seasoned rider or a beginner looking to get into motocross, the YZ125's combination of power, handling, and quality make it an excellent option for anyone in the market for a high-performance dirt bike.
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