Kawasaki KX 85-I - 2018 Specifications and Reviews

The 2018 Kawasaki KX 85-I is a lightweight 85cc motocross bike designed for young intermediate riders transitioning to larger machines. Known for its aggressive styling in iconic lime green, responsive handling, and reliable performance, it combines an inverted fork with responsive braking for competitive dirt track riding. The compact wheelbase and 841mm seat height make it accessible for developing riders seeking serious race capability.

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General information

CategoryCross / motocross
Year2018
ModelKawasaki KX 85-I
 
 

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
IgnitionElectric CDI w/digital advance
Fuel systemCarburettor. Keihin PWK28
Bore x Stroke48.5 x 45.8 mm (1.9 x 1.8 inches)
Compression10.0:1
Engine detailsPiston reed valve
Engine typeSingle cylinder, two-stroke

Brakes, suspension, Frame and wheels

WheelsWire spoked
Rear brakes diameter184 mm (7.2 inches)
Rear brakesSingle disc
Front brakes diameter220 mm (8.7 inches)
Front brakesSingle disc
Rear tyre90/100-14
Front tyre70/100-17
Rear wheel travel275 mm (10.8 inches)
Rear SuspensionUni-Trak single-shock system with 4-way compression and 16-way rebound damping, plus adjustable spring preload
Front wheel travel275 mm (10.8 inches)
Front Suspension36mm inverted telescopic cartridge fork with 18-way compression damping
Trail97 mm (3.8 inches)
Rake (fork angle)29.0°
Frame typeHigh-tensile steel perimeter design with subframe member
 
 

Physical measures and capacities

Fuel capacity5.00 litres (1.32 gallons)
Wheelbase1,255 mm (49.4 inches)
Ground clearance340 mm (13.4 inches)
Overall width734 mm (28.9 inches)
Overall length1,821 mm (71.7 inches)
Overall height1,100 mm (43.3 inches)
Seat height841 mm (33.1 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc69.0 kg (152.1 pounds)

Other specs

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

Performance Profile & Rider Fit

24 hp
Peak Power (est.)

Best For

Track15%
City5%
Cornering15%
Daily Riding3%
Touring2%
Passenger0%

Rider Profile

Best ForFor young or lightweight riders progressing in motocross, from developing beginners to competitive juniors moving up from smaller bikes.
PurposePure off-road motocross racing and track training. Built to jump, whoop and rail berms on closed dirt circuits, not for street use.
Rider FitTiny and feather-light at 69kg with a tall 841mm seat and 340mm clearance. Aggressive, upright race ergos suited to smaller frames.
CharacterPeaky, revvy two-stroke mini-crosser. Snappy, playful and demanding on the throttle, rewarding aggressive, precise riding.
Not Ideal ForNot for road riders, commuters, tourers or beginners wanting a forgiving, street-legal, easy-going machine. No passenger capability.

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

Rider Fit Visualizer

2018 Kawasaki KX 85-I Rider Ergonomics Assessment

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Feet:

At 841mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2018 Kawasaki KX 85-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
64x64

MotorcycleDB Review

The 2018 Kawasaki KX 85-I motorcycle is a powerful and agile off-road bike that is perfect for younger riders or smaller adults. With a 85cc engine and a six-speed transmission, this bike delivers impressive performance on the track or trails. The lightweight design and responsive handling make it easy to maneuver in tight turns and over rough terrain, while the comfortable seating position allows for extended periods of riding without fatigue. Overall, the KX 85-I offers a thrilling experience for riders of all skill levels. If you're in the market for a high-performance off-road motorcycle, the 2018 Kawasaki KX 85-I is definitely worth considering. Its powerful engine, agile handling, and comfortable seating position make it a great choice for riders who want to push their limits on the track or trails. Whether you're a younger rider looking to upgrade to a more advanced bike or an adult rider who wants a smaller, more maneuverable off-road machine, the KX 85-I delivers the performance and excitement you're looking for.
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