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Kawasaki KX100

2024 Kawasaki KX100 Top Speed, Specs, Mileage, & Review

The Kawasaki KX100 is a youth motocross motorcycle that comes with a 19-inch front and a 16-inch rear wheel. It is fitted with a 2-stroke, single-cylinder engine that has a displacement of 99cc. It gets a full-size 6-speed gearbox and a wet multi-disc manual clutch. The KX100 has a decent top speed and it offers good performance. The price of this motocross starts at $4,649 and it comes in only a Lime Green color.

Kawasaki KX100 Top Speed, Specifications, & Review

Kawasaki KX100 Key Specifications

Engine 1-Cylinder, 2-stroke
Transmission 6-Speed
Torque40 Nm @ 11,500 rpm
Seat Height32.3 inches
Curb Weight169.7 lb
Fuel Tank Capacity1.32 Gallon

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Top Features

  • Perimeter type high tensile steel frame with subframe member
  • 36 mm Inverted telescopic cartiridge fork
  • 20-Way compression damping on front suspension
  • Uni-Trak gas charged rear shock with piggyback resorvoir
  • 24-Way compression and 21-way rebound damping on rear suspension
  • Adjustable spring preload
  • Front disc brake with dual piston calipers
  • Rear disc brake with single piston caliper
  • ERGO-FIT system
  • 6-Position adjustable handlerbar mounts
  • 19 Inch spoke rim front wheel
  • 16 Inch spoke rim rear wheel
  • Two-stroke, single-cylinder engine
  • Liquid cooling
  • Exhaust power valve
  • 28 mm Keihin carburetor
  • CDI ignition with digital advance
  • 6-Speed return-shift gearbox
  • Wet multi-disc manual clutch

Kawasaki KX100 Review

Engine & Transmission

This motocross comes with a 99cc 2-stroke, single-cylinder engine. A 28 mm Keihin carburetor feeds gasoline to its 2-stroke powerplant. It uses a liquid cooling system and it also gets a CDI ignition system with digital advance. The Kawasaki KX100 is equipped with a 6-speed return shift-type manual gearbox and it gets a multi-disc manual clutch.

Top Speed & Performance

The KX100 2-stroke powerplant comes with an exhaust power valve system that gives it a broader powerband. Kawasaki has not disclosed the power and torque output of this motocross yet. Its single-cylinder motor offers appropriate power that bridges the gap between mini and full-size dirt bikes. The Kawasaki KX100 top speed is claimed to be around 68 mph. The top speed may vary depending upon the riders’ weight and riding conditions.

Body & Suspension

Talking about the chassis, the Kawasaki KX100 utilizes a perimeter-type frame with subframe members. Its frame is lightweight and made out of high tensile steel like the Kawasaki KLX 110R. It gets a 33 mm inverted telescopic front fork with 20-way compression damping. The KX100 is fitted with a Uni-Trak gas-charged rear shock absorber with a piggyback reservoir. The rear suspension comes with an adjustable preload and it allows 24-way compression and 21-way rebound damping.

Brakes & Wheels

Kawasaki has equipped the KX100 with a powerful set of disc brakes on both wheels. It features a 220 mm petal disc brake on the front wheel and a 184 mm petal disc brake on the rear wheel. Its front disc brake comes with a 2-piston caliper, while its rear disc brake comes with a 1-piston caliper. The Kawasaki KX100 gets a 19-inch front wheel and a 16-inch rear wheel. Its front tire size is 70/100-19 and its rear tire size is 90/100-16.


This motocross from Kawasaki is quite light and it weighs around 169.7 lb in ready-to-run condition. The Kawasaki KX100 seat height is 34.3 inches. You get a ground clearance of 13 inches on this motocrosser. Its fuel tank capacity is 1.32 gallons and it has a wheelbase of 51.6 inches.

Kawasaki KX100 Price & Competition

The price of the Kawasaki KX100 in the United States starts at $4,649 for the Lime green color variant. Currently, the KX100 is the only 2-stroke motorcycle in the 100cc segment and it has no direct competitors. However, its indirect competitors are the Honda CRF150R, 2024 KTM 125 SX, & Husqvarna TC 85.

Related Bikes

Yamaha YZ85Yamaha YZ85
Honda CRF150RHonda CRF150R

Kawasaki KX100 Specifications

Engine & Transmission

Engine Type2-Stroke, 1-cylinder, SOHC
Engine Displacement99cc
No. of Cylinders1
Fuel TypeGasoline
Fuel Supply28 mm Keihin carburetor
Cooling SystemLiquid cooling
Bore 52.5 mm
Stroke45.8 mm
Compression Ratio10.2:1 (low speed), 8.7:1 (high speed)
Valves Per Cylinder2
Starting Kick
Ignition CDI with digital advance
Transmission 6-Speed, return shift
ClutchWet multi-disc
Final DriveChain

Top Speed Performance, & Mileage

Power Not provided by the Kawasaki
Torque40 Nm @ 11,500 rpm
Top SpeedKawasaki KX100 top speed is 68 mph
MileageNot Provided

Chassis & Suspension

Body TypeMotocross
ChassisHigh tensile steel perimeter frame
Front Suspension36 mm Inverted telescopic cartridge forks
Rear Suspension Uni-Trak gas-charged shock absorber with piggyback reservoir
Front Wheel Travel10.8 Inches
Rear Wheel Travel10.8 Inches

Brakes, Wheels, & Tires

Front BrakeSingle petal disc with 2-piston caliper
Rear BrakeSingle petal disc with 1-piston caliper
Front Brake Diameter220 mm
Rear Brake Diameter184 mm
Front Wheel19 Inch spoke rim
Rear Wheel16 Inch spoke rim
Tire TypeTubed
Front Tire Size70/100-19
Rear Tire Size90/100-16

Dimension & Capacity

Wheelbase 51.6 inches
Length 75.6 inches
Width30.1 inches
Height45.3 inches
Seat Height 34.3 inches
Ground Clearance13.0 inches
Curb Weight 169.7 lb
Fuel Tank Capacity1.32 gallon
Seating Capacity1

Electricals & Lighting

Battery TypeNo battery available
Battery Capacity0V
Pilot LightsNo
Taillights No
Turn Signals No
Pass LightNo

Instrument Console & Speedometer

Console TypeNo instrument cluster
Trip MeterNo
No. of Trip Meters0
Fuel GaugeNo
Gear Shift LightNo
Gear Position Indicator No
Low Fuel Indicator No
Engine Temperature IndicatorNo
Service Indicator No

Other Features

Electric StarterNo
Engine kill SwitchNo
Stand Alarm No
Stepped SeatNo
Pillion SeatNo
Pillion GrabrailsNo
Pillion Footrest No
Underseat StorageNo
Additional FeaturesAdjustable spring preload, ERGO-FIT

Conclusion On the Kawasaki KX100

The KX100 is the only 100cc 2-stroke motocross available in the market currently. It comes with an exciting 2-stroke engine that offers an appropriate power bump for an amateur rider. You get a high-performance suspension setup on both ends in this motocrosser. The Kawasaki KX100 is a perfect option for beginners as it bridges the gap between mini and full-size motocross bikes.

Frequently Asked Questions

What is the price of the Kawasaki KX100?

the price of the lime green variant of this motocrosser starts at $4,649.

How many gears does the KX100 have?

It comes with a 6-speed manual transmission with a manual multi-disc clutch.

What is the seat height of the KX100?

The Kawasaki KX100 seat height is 34.3 inches.

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