2019 Kawasaki KX 85 II Technical Analysis & Specification Breakdown
Positioned in Kawasaki's cross - motocross motorcycle lineup, the 2019 Kawasaki KX 85 II features a 84.6 cc (5.2 cu in) liquid-cooled single cylinder, two-stroke configuration. Internal engine geometry specifies a bore and stroke of 48.5 x 45.8 mm (1.9 x 1.8 inches) with a 10.9:1 compression ratio.
On the scales, the KX 85 II measures 77 kg (170 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 870 mm (34.3 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,310 mm (51.6 in) wheelbase engineered for quick, flickable steering geometry. The 5-liter (1.3 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Kawasaki archive, this model family spans 2 indexed model years from 2019 to 2025, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
870 mm (34.3 in)
Engine
Displacement84.6 ccm (5.16 cubic inches)
Engine TypeSingle cylinder, two-stroke
Compression10.9:1
Bore x Stroke48.5 x 45.8 mm (1.9 x 1.8 inches)
Fuel SystemCarburettor. Keihin PWX20
IgnitionDigital
CoolingLiquid
Transmission
ClutchWet multi-disc, manual
Chassis
Frame TypePerimeter, aluminium
Front SuspensionInverted telescopic fork
Rear SuspensionBottom-Link Uni-Trak with adjustable spring preload, 24-way compression and 21-way rebound
Rear Travel275 mm (10.8 inches)
Wheelbase1310 mm (51.6 inches)
Ground Clearance330 mm (13.0 inches)
Wheels & Brakes
Front Tyre70/100-19
Rear Tyre90/100-16
Front BrakesSingle disc
Front Brake Ø220 mm (8.7 inches)
Rear BrakesSingle disc
Rear Brake Ø184 mm (7.2 inches)
Dimensions & Weight
Weight incl.77.0 kg (169.8 pounds)
Seat Height870 mm (34.3 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.