yamaha YZ65


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Featuring a race-bred specification that's inspired by the flagship YZ450F, the YZ65 youth motocross bike is the perfect start for any rider who is serious about racing. With a punchy engine and strong chassis, this high-tech 2-stroke delivers easy-to-use power together with stable handling for enhanced rider confidence.

Equipped with cool YZ450F-inspired bodywork, stylish Yamaha blue rims and an ergonomic riding position, the YZ65 is the choice of future champions.

At a glance

  • Tapered handlebars, aluminium handlebar crown
  • KYB Monocross suspension, aluminium swingarm
  • 6-speed transmission with light-pull clutch
  • 36mm diameter upside down front forks
  • 60/100 14” front- and 80/100 12” rear tire sizes
  • Race-developed Yamaha Power Valve System (YPVS)
  • High overall specification, winning capability
  • Semi-double cradle steel frame, aluminium subframe
  • Digital CDI for delivering a precise spark
  • Ergonomic seat design for easy weight shifting 

Engine Type

2-stroke, liquid-cooled, reed valve with YPVS

Displacement CC


Bore X Stroke

43.5 mm x 43.6 mm

Compression Ratio

8.1 : 1

Oil Capacity


Fuel Tank Capacity




Transmission Type


Dimensions LxWxH

1615 mm x 760 mm x 1000 mm


1140 mm

Seat Height

755 mm

Ground Clearance

265 mm

Loaded Weight

61 kg

Tyre Size Front

60/100-14 Maxxis® Maxxcross SI®

Tyre Size Rear

80/100-12 Maxxis® Maxxcross SI®

Brakes Type Front

Hydraulic single disc, Ø198 mm

Brakes Type Rear

Hydraulic single disc, Ø190 mm