2023 Kawasaki KX85 Specifications

Name: 2023 Kawasaki KX85
Brand: Kawasaki

Cross / motocross • Specs last verified 13 July 2026

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2023 Kawasaki KX85 Overview

The 2023 Kawasaki KX85 is a cross / motocross motorcycle built around 84 cc of displacement. Under the tank sits a Single cylinder, two-stroke engine, a compression ratio of 10.9:1. The bore and stroke measures 48.5 x 45.8 mm. From a practical standpoint, the 2023 KX85 tips the scales at 75 kg, carries a 5-litre fuel tank, offers a seat height of 830 mm and spans a 1265 mm wheelbase. That's roughly 23.6 kg lighter than the average cross / motocross motorcycle in our database. Scroll down for the complete 2023 Kawasaki KX85 spec sheet covering every technical detail from suspension travel to tyre sizes.

2023 KX85 - Pros & Cons

Strengths

Factory engineering: The 2023 Kawasaki KX85 represents Kawasaki's engineering at the time, with a specification built around real-world usability.

Considerations

Carburetor fuelling: Carbureted engines need occasional jetting attention and can be reluctant in cold weather or at altitude compared to modern fuel-injected alternatives.
Tall seat height: The 830 mm seat height will challenge shorter riders - tiptoeing at low speeds is something to factor into your decision.
Modest fuel capacity: The 5-litre tank means more frequent fuel stops on longer rides, which is worth planning around on touring routes.
Chain final drive upkeep: Chain final drive needs regular cleaning, lubrication and tension checks to get full life out of the sprockets.

Wear Points & Servicing Notes

Carburetor maintenance

The KX85 uses carburetion rather than fuel injection, which means jetting is altitude- and temperature-sensitive and benefits from a clean-and-rejet after extended storage or an exhaust change.

Brake disc and pad wear

The Single disc. Petal disc with dual-piston caliper front brake gives strong, progressive stopping power. Disc thickness and pad depth are worth checking at every tyre change, since worn pads can score the disc surface.

Suspension condition on used examples

Up front, the KX85 runs 36mm inverted telescopic cartridge fork with 20-way compression damping and Uni-Trak® single shock system with 24-way compression and 21-way rebound damping, plus adjustable spring preload at the rear. On a used example, check fork seals for weeping oil and test the rear linkage for play - seals are a relatively cheap fix but useful when negotiating price.

Final drive maintenance

Final drive is by chain - expect to clean and lube it every few hundred kilometres and check tension regularly; a neglected chain wears the sprockets faster than the chain itself.

Frame & chassis check

The frame is High-tensile steel perimeter design with subframe member - worth a visual check for corrosion or impact damage around the head-stock and swingarm pivot on any used example, since frame damage is far costlier to fix than any service item.

Low-speed handling

At just 75 kg, the KX85 is light enough to manhandle easily at a standstill - one of the practical advantages of its class.

KX85 - Buying & Maintenance Guide

What to check before buying

When inspecting a used 2023 Kawasaki KX85, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained KX85 should fire up cleanly and settle to a smooth idle within a few seconds.

Oil and filter changes

Regular oil changes are the single most important maintenance task on any KX85. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.

Carburetor upkeep

Keep the carburetors clean and free of deposits. If the KX85 has been stored, strip and clean the carb float bowls before attempting to start it. Pilot jets are the first to block and the last to be checked - always include them in any carb rebuild.

2023 Kawasaki KX85 - Frequently Asked Questions

What engine does the 2023 Kawasaki KX85 have?

The 2023 Kawasaki KX85 uses a Single cylinder, two-stroke engine with 84 cc of displacement.

How much does the 2023 Kawasaki KX85 weigh?

The 2023 Kawasaki KX85 weighs 75 kg. This is the manufacturer's wet figure.

What is the fuel tank capacity of the 2023 Kawasaki KX85?

The 2023 Kawasaki KX85 has a 5-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 83-100 km between stops.

Is the 2023 Kawasaki KX85 suitable for shorter riders?

The 2023 Kawasaki KX85 has a seat height of 830 mm. This is towards the tall end of the spectrum and will require most riders under 175 cm to tiptoe at stops.

What brakes does the 2023 Kawasaki KX85 have?

The 2023 Kawasaki KX85 uses Single disc. Petal disc with dual-piston caliper at the front and Single disc. Petal disc with single-piston caliper at the rear.

What tyre sizes does the 2023 Kawasaki KX85 use?

The front tyre size on the 2023 Kawasaki KX85 is 70/100-17.

What fuel system does the 2023 Kawasaki KX85 use?

The 2023 Kawasaki KX85 uses Carburettor. Keihin 28mm, providing precise fuelling across the rev range and reliable cold-start behaviour.

Kawasaki KX85 Spec Evolution

The Kawasaki KX85 was produced across 16 model years (2002-2023). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.

Specification	2002	2004	2005	2006	2007	2008	2009	2010	2012	2013	2014	2015	2016	2021	2022	2023
Wet Weight	-	-	-	-	-	-	69.0 kg / 152.1 lbs	69.0 kg / 152.1 lbs	69.0 kg / 152.1 lbs	69.0 kg / 152.1 lbs	69.0 kg / 152.1 lbs	69.0 kg / 152.1 lbs	69.0 kg / 152.1 lbs	75.0 kg / 165.3 lbs	75.0 kg / 165.3 lbs	75.0 kg / 165.3 lbs
Dry Weight	65 kg / 143.3 lbs	65 kg / 143.3 lbs	65 kg / 143.3 lbs	65 kg / 143.3 lbs	65 kg / 143.3 lbs	65 kg / 143.3 lbs	-	-	275 kg / 606.3 lbs	-	-	-	-	-	-	-
Engine Detail	-	-	-	-	-	-	-	-	90 degree V-twin	-	-	Crankcase reed valve	Crankcase reed valve	-	-	-
Engine Type	Single cylinder	Single cylinder	Single cylinder	Single cylinder	Single cylinder	Single cylinder	Single cylinder	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke
Seat Height	-	-	841 mm / 33.1 in.	841 mm / 33.1 in.	841 mm / 33.1 in.	841 mm / 33.1 in.	841 mm / 33.1 in.	841 mm / 33.1 in.	841 mm / 33.1 in.	841 mm / 33.1 in.	841 mm / 33.1 in.	841 mm / 33.1 in.	841 mm / 33.1 in.	830 mm / 32.7 in.	830 mm / 32.7 in.	830 mm / 32.7 in.
Fuel Capacity	-	-	5.67 litres / 1.50 gallons	5.67 litres / 1.50 gallons	5.67 litres / 1.50 gallons	5.67 litres / 1.50 gallons	5.67 litres / 1.50 gallons	5.67 litres / 1.50 gallons	5.68 litres / 1.50 gallons	5.68 litres / 1.50 gallons	5.68 litres / 1.50 gallons	5.68 litres / 1.50 gallons	5.00 litres / 1.32 gallons	5.00 litres / 1.32 US gallons	5.00 litres / 1.32 US gallons	5.00 litres / 1.32 US gallons
Ground Clearance (mm)	-	-	340 mm	340 mm	340 mm	340 mm	340 mm	340 mm	340 mm	340 mm	340 mm	340 mm	340 mm	290 mm	290 mm	290 mm
Ground Clearance (in.)	-	-	13.4 inches	13.4 inches	13.4 inches	13.4 inches	13.4 inches	13.4 inches	13.4 inches	13.4 inches	13.4 inches	13.4 inches	13.4 inches	11.4 inches	11.4 inches	11.4 inches

Key Specifications

Engine

Single cylinder, two-stroke

Power

Not published by manufacturer

Torque

Not published by manufacturer

Top Speed

Not published by manufacturer

Weight

75.0 kg / 165.3 lbs

Fuel Capacity

5.00 litres / 1.32 US gallons

Full 2023 Kawasaki KX85 Specifications

Colours Lime Green

Ground Clearance (in.) 11.4 inches

Ground Clearance (mm) 290 mm

Seat Height 830 mm / 32.7 in.

Wheelbase 1265 mm / 49.8 in.

Height 1100 mm / 43.3 in.

Length 1830 mm / 72.0 in.

Width 765 mm / 30.1 in.

Fuel Capacity 5.00 litres / 1.32 US gallons

Wet Weight 75.0 kg / 165.3 lbs

Bore x Stroke (in,) 1.9 x 1.8 inches

Bore x Stroke (mm) 48.5 x 45.8 mm

Displacement (cc) 84.0 cc

Displacement (ci) 5.13 cubic inches

Engine Type Single cylinder, two-stroke

Fuel System Carburettor. Keihin 28mm

Compression Ratio 10.9:1

Engine Lubrication Petrol mix

Ignition CDI with digital advance

Starter Kick

Clutch Wet multidisc

Final Drive Chain (final drive)

Gearbox 6-speed

Frame Type High-tensile steel perimeter design with subframe member

Suspension - Front 36mm inverted telescopic cartridge fork with 20-way compression damping

Suspension - Rear Uni-Trak® single shock system with 24-way compression and 21-way rebound damping, plus adjustable spring preload

Rake 29.0°

Trail 97 mm / 3.8 in.

Wheel Travel - Front 275 mm / 10.8 in.

Wheel Travel - Rear 275 mm / 10.8 in.

Brakes - Front Single disc. Petal disc with dual-piston caliper

Brakes - Rear Single disc. Petal disc with single-piston caliper

Rims Wire spoked

Tyres - Front 70/100-17

Specifications are compiled from manufacturer documentation and cross-referenced technical sources, and corrected on an ongoing basis. Spot an error? Let us know.