Kawasaki KX85 - 2026 Specifications and Reviews

The 2026 Kawasaki KX85 is a lightweight 84cc two-stroke designed for young and amateur motocross riders seeking their first competition machine. Known for its responsive KIPS power valve, adjustable suspension, and proven reliability, the KX85 delivers manageable performance and agile handling that rewards developing racers. Available in standard and taller L versions to accommodate different rider sizes and skill progression.

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General information

Price$4999/(KX85 L $5199)

Engine and Transmission Specifications

Gearbox6-speed, return shift, with wet multi-disc manual clutch
IgnitionCDI with digital advance
Induction28mm Keihin carburetor
Compression Ratio10.9:1 (low speed) / 9.0:1 (high speed)
Bore x Stroke48.5 x 45.8mm
Capacity84cc
Engine Type2-stroke, single-cylinder with exhaust power valve (KIPS), liquid-cooled

Physical measures and capacities

Fuel Capacity1.32 gal.
Wet Weight160.3 lb without fuel / 168.4 lb (KX85 L 164.5 lb without fuel / 172.4 lb)
Seat Height32.7 in. (KX85 L 34.1 in.)
Wheelbase49.8 in. (KX85 L 51.6 in.)
Ground Clearance11.6 in. (KX85 L 13 in.)
Overall Height43.9 in. (KX85 L 45.9 in.)
Overall Width31.5 in.
Overall Length72.2 in. (KX85 L 76.2)
 
 

Kawasaki KX85 dimensions and frame

Rear BrakesSingle 220mm petal disc with single-piston caliper
Front BrakesSingle 240mm petal disc with dual-piston caliper
Rear Tyre90/100-14 (KX85 L 90/100-16)
Front Tyre70/100-17 (KX85 L 70/100-19)
Rear Travel10.8 in./(KX85 L 12.0 in.)
Rear SuspensionUni-Trak single shock with adjustable compression and rebound damping, plus adjustable spring preload
Front Travel10.8 in.
Front Suspension43mm inverted fork with adjustable compression and rebound damping
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track85%
City5%
Cornering88%
Daily Riding5%
Touring3%
Passenger0%

Rider Profile

Best ForThis is a competition motocross machine built for younger or smaller riders who already have solid off-road fundamentals, not a beginner's first bike.
PurposePurpose-built for motocross track racing and aggressive off-road riding, with a 2-stroke engine tuned for peaky, high-revving power delivery.
Rider FitIts small, lightweight chassis and low seat height suit smaller-statured or younger riders, with the KX85 L offering a slightly taller, more roomy alternative.
CharacterA snappy, high-strung 2-stroke that rewards clutch skill and revs, delivering sharp, flickable handling ideal for tight motocross circuits.
Not Ideal ForNot suitable for taller adult riders, road use, commuting, or anyone wanting a comfortable, low-maintenance everyday bike.

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

Rider Reviews

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