Yamaha YZ125 2026
2026 Yamaha YZ125 Motocross Bike
The 2026 Yamaha YZ125 continues the legacy of one of the world’s most successful 125cc two-stroke motocross bikes. Built on more than 50 years of Yamaha racing innovation, the YZ125 delivers race-winning performance, lightweight handling and the reliability that has made it a favourite among motocross riders.
Powered by a high-performance 125cc liquid-cooled two-stroke engine, the YZ125 features Yamaha’s renowned Yamaha Power Valve System (YPVS), delivering strong low-end torque, instant throttle response and impressive top-end power to help riders launch out of corners and stay competitive throughout the race.
The lightweight aluminium frame provides exceptional agility and precise handling, while the industry-leading KYB® suspension absorbs rough terrain and big landings with confidence. Combined with ultra-slim bodywork and race-focused ergonomics, the YZ125 allows riders to move freely and maintain maximum control on every lap.
Designed for serious motocross competition, the 2026 Yamaha YZ125 is ready to perform straight from the showroom.
Key Features
High-performance 125cc liquid-cooled two-stroke engine
Yamaha Power Valve System (YPVS)
Lightweight race-developed engine components
Lightweight aluminium frame
Class-leading KYB® suspension
Slim, race-inspired bodywork
Outstanding cornering and jumping performance
Built for motocross competition
Legendary Yamaha race-winning reliability
Whether you’re stepping into competitive motocross or looking to sharpen your racing skills, the 2026 Yamaha YZ125 delivers the performance, handling and reliability needed to compete at the highest level.
Current Yamaha Finance Offer
Eligible MY26 and earlier YZ/WR models are available with 1% p.a. fixed interest over 24 months or 2.95% p.a. over 36 months, with no deposit required. Purchase by 30 September 2026 and settle by 31 October 2026. Private buyers only; approval, fees, terms, conditions and stock availability apply. Contact CSM to confirm eligibility.
Engine
Engine TypeLiquid-cooled, 2-stroke, reed-valve
Displacement (cc)125.0
Bore x Stroke (mm)54.0 x 54.5
Compression Ratio8.2 - 10.1 : 1
Lubrication SystemPremix
Fuel ManagementPWK38S
IgnitionCDI
Starter SystemKick
Fuel Tank Capacity (L)7.0
Final TransmissionChain
TransmissionConstant mesh 6-speed
Chassis
Frame TypeAluminium controlled filled semi double cradle
Suspension FrontTelescopic forks, 300mm travel
Suspension RearSwingarm (link suspension), 315mm travel
Brakes FrontHydraulic single disc, 270mm
Brakes RearHydraulic single disc, 240mm
Tyres Front80/100-21 51M Tube type
Tyres Rear100/90-19 57M Tube type
Dimensions
Length (mm)2135
Width (mm)825
Height (mm)1295
Seat Height (mm)980
Wheelbase (mm)1445
Ground Clearance (mm)365
Wet Weight (kg)96

