We designed the KX100 from the ground up for teenage chargers who are between the mini 85s and full-size 250s. Its 19-inch front and 16-inch rear wheels are sized just right for adolescent racers and its generous 275mm of front and rear wheel travel is widely tuneable to let your inner-race shine.


Compression ratio 10.2 (low speed), 8.7 (high speed)
Cooling Liquid, twin radiators
Lubrication Petrol mix (32:1), 2-stroke racing oil
Bore and stroke 52.5 x 45.8 mm
Ignition Digital-CDI
Displacement 99cc
Fuel system Keihin PWK28 carburetor
Type 2-stroke, Single with KIPS
Induction 2-petal carbon-fibre piston reed valve


Front: calipers Dual-piston caliper
Front: type Single 220 mm disc
Rear: calipers Single-piston caliper
Rear: type Single 184 mm disc


Overall height 1,150 mm (43.5 in.)
Fuel capacity 5 litres (1.21 gal.)
Overall width 765 mm (28.9 in.)
Curb mass** 77 kg (157 lbs.)
Overall length 1,920 mm (75.2 in.)
Seat height 870 mm (34.3 in.)
Ground clearance 330 mm (15.0 in.)
Wheelbase 1,310 mm (50.8 in.)


Gear ratio: 3rd 1.500 (27/18)
Clutch Wet multi-disc
Gear ratio: 2nd 1.875 (30/16)
Final reduction ratio 3.923 (51/13)
Gear ratio: 1st 2.538 (33/13)
Gear ratio: 6th 0.956 (22/23)
Primary reduction ratio 3.400 (68/20)
Gear ratio: 5th 1.090 (24/22)
Final drive Chain
Gear ratio: 4th 1.250 (25/20)
Transmission 6-speed, constant mesh, return shift


Tire: rear 90/100-16
Wheel travel: rear 275 mm (10.8 in.)
Tire: front 70/100-19
Steering angle (left/right) 45° / 45°
Wheel travel: front 275 mm (10.8 in.)
Trail 108 mm (4.1 in.)
Type Tubular single cradle, high tensile steel perimeter
Caster (rake) 29°


Suspension, rear Uni-Trak single-shock system with 24-way compression and 21-way rebound damping, plus adjustable spring preload
Suspension, front 36 mm inverted telescopic cartridge fork with 20-way compression damping



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* The Manufacturer's Suggested Retail Price does not include freight, pre-delivery inspection or applicable taxes. The final price is at the discretion of the dealer. Prices and Specifications are subject to change without prior notice. The amount indicated as "Your price" may include an optional instant Mega Cash credit that is deducted from the manufacturer's suggested retail price before taxes. This promotion is time limited and certain conditions will apply. See your dealer for complete details. Offer not available on financed purchases and cannot be combined with any other special offers. The final price is at the discretion of the dealer. Prices and Specifications are subject to change without prior notice.

** Includes all necessary materials and fluids to operate correctly, full tank of fuel (more than 90% of capacity) and tool kit (if supplied)

‡ Power / Torque figures measured at the crankshaft.

The specifications mentioned here apply to and have been achieved by production models under standard operating conditions. We intend only to give a fair description of the vehicle and its performance capabilities but these specifications may not apply to every machine supplied for sale. Kawasaki Heavy Industries, Ltd. reserves the right to alter specifications without prior notice. Equipment illustrated and specifications may vary to meet individual markets. Available colours may vary by market.