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2021 KX65

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2021 KX65 right facing

KX - The Bike that Builds Champions

For more than 30 years, Kawasaki’s smallest KX motocross bike has played a key role in the sport of motocross, providing a race-winning platform on which countless national and world champions have begun the journey to superstardom.

Today, Kawasaki’s KX65 maintains the same successful attributes, including a powerful and reliable two-stroke engine, lightweight chassis, disc brakes and long travel suspension. Its reputation as the quintessential learning tool for young racers taking their first steps into the world of competitive riding is well deserved.

Key Features

  • Junior Motocross race motorcycle
  • Styling based on the KX250 and KX450
  • Lime Green rear spring
  • 64cc two-stroke engine with digital ignition offers ideal timing for better throttle response throughout the rev range
  • An electrofusion-coated cylinder with advanced exhaust and transfer ports for awesome power and performance at higher rpm
  • Six-speed transmission offers positive action and rugged durability; hard chrome-finished shift fork ends resist wear
  • High-tensile steel frame offers exceptional torsional rigidity for excellent handling with a reinforced down tube for increased strength and durability
  • Uni Trak rear suspension offers progressively increasing spring and damping strength as the suspension compresses for a more controlled ride
  • Front and rear disc brakes are light, powerful and resist fading
2021 KX65 left side

64cc Two-Stroke Engine

Built for competition and to put them out in front of the pack. Easy, competitive operation to assist in building motocross riding skills.

Front and Rear Disc Brakes

A high-performance engine needs high-performance stopping power and the KX65’s mighty front and rear disc brakes deliver powerful braking performance and high resistance to fade. Large 180mm front and rear disc brakes with single piston calipers for superb braking performance. 

Rear Suspension

The KX65’s UNI TRAK rear suspension system features a rising-rate action increasing the damping strength as the suspension compresses. The nitrogen-charged shock offers 4-way rebound damping adjustability, a stiff spring, and damping settings to accommodate aggressive riding.

Lightweight Aluminium Rims

The KX65 receives black aluminium rims, just like the larger KX models: KX450 and KX250. The aluminium reduces unsprung weight for improved suspension action.

2021 KX65

33mm Conventional Fork

The large 33mm inner tubes assure rigidity for great handling on rough courses. Four-position rebound-damping adjustment accommodates different riding styles and terrain. 

24mm Mikuni Carburetor

Feeds a 4-petal reed valve for excellent throttle response. The engine to produces good power and torque at all rpm.

Fuel Tank Check Valve

The fuel tank cap vent hose has a check valve to reduce the possibility of fuel seepage.

2021 KX65

Digital Capacitor Discharge Ignition (CDI)

Digital ECU precisely controls timing, no matter how fast the rpm changes. Special ignition coil produces hot spark to enhance acceleration.

6-Speed Transmission

The KX’s smooth-shifting six-speed transmission offers a positive shifting action along with rugged durability thanks to hard chromed shift forks. The clutch is operated manually for maximum control and performance. 

2021 KX65 left facing

Aluminium Silencer

Silencer is removable, and packing is replaceable. Oval shape mimics the styling of larger-displacement KX model.

High Tensile Steel Semi-Double Cradle Frame

The high-tensile steel frame is constructed from the same strong, lightweight, high-tech materials as the bigger KX Motocross bikes to offer exceptional torsional rigidity for great handling. Reinforced downtube adds strength and durability. The engine and chassis bolts feature a rust-resistant coating.

Footpeg

Large cast steel footpegs are designed to resist bending and offer great grip.

Multi-Plate Clutch

The clutch actuation arm rides in needle bearings for smooth action. The clutch basket and hub ride on involute splines and are fastened with a circlip . The steel clutch plates have a special surface treatment to improve the feel. Manual clutch mechanism mirrors larger KX models.

Electrofusion Cylinder

Electrofusion coating on the aluminium cylinder walls improves heat transfer for consistent power output. It allows closer piston-to-cylinder clearances for more power and provides excellent wear and seizure resistance.

 

Model

KX65 (KX65C)

Engine TypeLiquid-cooled, 2-stroke Single
Displacement64.7 cm³
Bore x Stroke44.5 x 41.6 mm
Compression Ratio8.4:1
Valve System4 petal piston reed valve
Fuel SystemCarburettor: Mikuni VM24SS
IgnitionDigital CDI
StartingPrimary Kick
Transmission6-speed, return
ClutchWet multi-disc, manual
FrameHigh-tensile steel semi-double cradle with detachable left-side rear section
Wheel travel - front210 mm
Wheel travel - rear240 mm
Tyre Size-front60/100-14 (30M)
Tyre Size-rear80/100-12 (41M)
Suspension - front33 mm telescopic fork with 4-way rebound damping
Suspension - rearBottom-Link Uni-Trak with gas-charged shock, adjustable preload and 4-way rebound damping
Brakes - frontSingle 180 mm disc with single-piston caliper
Brakes - rearSingle 180 mm disc with single-piston caliper
L x W x H1,590 x 760 x 955 mm
Wheelbase1,120 mm
Ground Clearance305 mm
Seat height760 mm
Fuel capacity3.8 litres
Curb Mass60.0 kg (includes full fuel tank, all fluids at optimum levels)
ColourLime Green
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