Kawasaki KX85 I - 2023 Specifications and Reviews

The 2023 Kawasaki KX85 I is a lightweight motocross machine designed for young riders and beginners transitioning to competitive off-road racing. Powered by an aggressive 84cc two-stroke engine with liquid cooling and a six-speed gearbox, it delivers sharp throttle response and nimble handling. Known for its reliability and playful character, the KX85 I excels in junior motocross classes and recreational trail riding.

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General information

CategoryCross / motocross
Year2023
ModelKawasaki KX85 I
 
 

Engine and Transmission Specifications

ClutchWet multidisc
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
Lubrication systemPetrol mix
IgnitionDigital CDI
Fuel systemCarburettor. Keihin PWK28
Bore x Stroke48.5 x 45.8 mm (1.9 x 1.8 inches)
Compression10.9:1
Engine typeSingle cylinder, two-stroke
Capacity:84.0 ccm (5.13 cubic inches)

Brakes, suspension, Frame and wheels

WheelsWire spoked
Rear brakesSingle disc. Petal disc.Singel-piston caliper.
Diameter220 mm (8.7 inches)
Front brakesSingle disc. Petal disc.Dual-piston caliper.
Rear tire90/100-14
Front tire70/100-17
Rear wheel travel275 mm (10.8 inches)
Rear SuspensionUni-Trak® single shock system with 24-way compression and 21-way rebound damping, plus adjustable spring preload
Front wheel travel275 mm (10.8 inches)
Front Suspension36mm inverted telescopic cartridge fork with 20-way compression damping
Trail97 mm (3.8 inches)
Rake (fork angle)29.0°
Frame typeHigh-tensile steel perimeter

Physical measures and capacities

Fuel capacity5.00 litres (1.32 US gallons)
Wheelbase1265 mm (49.8 inches)
Ground clearance290 mm (11.4 inches)
Overall width765 mm (30.1 inches)
Overall length1830 mm (72.0 inches)
Overall height1100 mm (43.3 inches)
Seat height830 mm (32.7 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc74.6 kg (164.5 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterKick
Color optionsLime Green

Performance Profile & Rider Fit

200 hp
Peak Power
2.9s
0-60 mph

Best For

Track80%
City55%
Cornering85%
Daily Riding65%
Touring85%
Passenger80%

Rider Profile

Best ForNote: the specifications provided are for a Kawasaki Ninja 1000SX sport-tourer, not the KX85 I motocross bike named in the request, so this profile describes the Ninja 1000SX; it suits experienced riders comfortable with a powerful, fast-accelerating in-l
PurposeBuilt as a sport-touring machine that blends strong high-RPM power and sharp handling with wind protection and cruise control for long-distance capability.
Rider FitA mid-weight, moderately tall sportbike with a firm reach to the bars, best suited to riders of average-to-taller height who can manage its 233 kg mass at low speeds.
CharacterAggressive and fast-revving with a refined chassis, electronic rider aids, and enough comfort features to cover both weekend blasts and multi-day trips.
Not Ideal ForNot suitable for off-road use, new riders wanting a light beginner bike, or anyone needing a small, easy-to-handle commuter.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2023 Kawasaki KX85 I Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 830mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2023 Kawasaki KX85 I, with a cramped knee angle of around 70 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2023 Kawasaki KX85 is a powerful and nimble motocross bike designed for young riders. It features a liquid-cooled 85cc two-stroke engine that delivers impressive performance on the track. The lightweight chassis and suspension are perfectly tuned for agile handling and responsive control, making it an ideal choice for riders looking to improve their skills. With its aggressive styling and race-ready features, the KX85 I is a top contender in the 85cc class. Overall, the 2023 Kawasaki KX85 I is a fantastic choice for young riders who are serious about motocross. Its powerful engine, nimble handling, and race-ready design make it a top contender in the 85cc class. Whether you're a beginner looking to improve your skills or a seasoned rider looking for a competitive edge, the KX85 I is sure to impress on the track.
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