2012 Yamaha YZ125
The new 2012 Yamaha YZ125 is ready to race out of the crate, complete with a ProTaper® aluminum handlebar, titanium foot-pegs and gripper seat. A pure motocross machine, the light and nimble YZ125 is the perfect choice for riders stepping up from the 2012 YZ85, and before to further step with Yamaha YZ250. With other 125cc class in motocross such as KTM 125 SX, the 2012 Yamaha YZ125 with wide, cleated, folding titanium foot pegs are lightweight and provide excellent comfort, grip and ground clearance, to take the top of podium. A light aluminum frame housing an amazingly light and compact engine results in an awesome power-to-weight ratio. Special-design gripper type seat and fuel tank, forward-canted steering crown and low ProTaper® handlebar all help create greater freedom of movement and more comfortable ergonomics for riders. Learn more about detail specification and new features on 2012 Yamaha YZ125.
2012 Yamaha YZ125 Specification
Engine Type – 124cc, liquid-cooled, 2-stroke, reed-valve inducted
Bore x Stroke – 54.0 x 54.5mm
Compression Ratio – 8.6~10.7:1
Fuel Delivery – Mikuni® TMX 38
Ignition – CDI
Transmission – Constant-mesh 6-speed, multi-plate wet clutch
Final Drive – Chain Drive
Chassis and Dimension
Suspension/Front – Speed-sensitive system inverted fork, fully adjustable, 11.8-in travel
Suspension/Rear – Fully adjustable single shock, 12.4-in travel
Brakes/Front – Hydraulic single disc brake, 250mm
Brakes/Rear – Hydraulic single disc brake, 245mm
Tires/Front – 80/100-21-51M
Tires/Rear – 100/90-19-57M
Length – 84.1 in
Width – 32.6 in
Height – 51.8 in
Seat Height – 39.3 in
Wheelbase – 56.8 in
Ground Clearance – 15.2 in
Fuel Capacity – 2.1 gal
Wet Weight – 208 lb
2012 Yamaha YZ125 Features
Engine and Transmission – Amazingly compact 124cc reed-valve-inducted two-stroke helps produce an awesome power-to-weight ratio. Digital CDI ignition system delivers precise spark and monitors engine speed to ensure optimal timing for faster, stronger response during hard acceleration. Patented YPVS® power-valve system combines crisp, hard-hitting bottom-end acceleration with strong mid-range and eye-opening top-end. 38mm Mikuni® TMX carburetor gives excellent throttle response and serious horsepower. Six-speed, close-ratio transmission optimizes gear ratios for maximum performance. Works-style clutch lever features race-spec barrel adjuster for on-the-fly adjust-ability.
Chassis and Suspension – 2012 Yamaha YZ125′s advanced aluminum frame and swing-arm give the YZ125 the best handling in its class. Speed-Sensitive System 48mm KYB® fork, damping force is controlled by piston speed which provides a smoother, more precise ride with 11.8 inches of travel. Removable aluminum rear sub-frame is constructed of square-section tubing for reduced weight. Fully adjustable KYB® shock features a super-light titanium shock spring and reduced-friction Kashima coating of internals. YZ250F-style front-brake caliper and wave-style front and rear discs minimize unsprung weight and provide excellent stopping power. 12.4 inches of travel, separate adjusters for high- and low-speed compression damping, and a full lock oil rebound system for increased comfort all add up to fantastic rear wheel control and a sweet ride on 2012 Yamaha YZ125.
