All-New 65cc Motocrosser Built from the ground up for 2018, the all-new YZ65 is ready to tackle the track with winning performance right out of the gate. And, of course, the all-new YZ65 features Yamaha's renowned competition off-road quality and durability just like the bigger YZs.
New Engine The all-new 65cc two-stroke engine features Yamaha's legendary YPVS, mechanical power valve system for a broad spread of power and torque across the entire RPM range.
New Chassis With a new steel frame and adjustable front and rear suspension, the YZ65 offers riders the traction confidence and tunability of full-size motocross machines in a compact package.
All-New Two-Stroke Engine The 65cc two-stroke powerplant is all new for the 2018 YZ65, and features the same advanced technologies found in Yamaha's race-winning YZ125 and YZ250 motocrossers.
Race-Developed Intake Proven reed-valve induction improves acceleration and throttle response across the entire powerband, with a carefully tuned Keihin® PWK28 carburetor to meter fuel flow.
Yamaha Power Valve System Patented YPVS™ combines crisp bottom-end torque with potent midrange and free-revving top-end, making the most of the compact engine and lightweight chassis.
Close-Ratio Transmission Six-speed, close-ratio transmission optimizes gear ratios for maximum performance, giving riders the right gear for every race condition.
Digital Ignition Digital CDI system delivers precise spark and monitors engine speed to ensure optimal timing for excellent response.
Efficient Cooling System Compact radiator features optimized hose routing to deliver maximum cooling efficiency even in the toughest racing conditions.