Kawasaki KX85

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Kawasaki KX85
Manufacturer
Production 2002 - 2019
Class Motocross
Successor Kawasaki KX80
Engine
Liquid-Cooled Single-cylinder two-stroke, reed-valve
Bore / Stroke 48.5mm x 45.8mm
Compression ratio 10.9:1
Top Speed 60 mph
Horsepower 28.97 HP (21.6 KW) @ 11500RPM
Torque 13.28 ft/lbs (18.0 Nm) @ 10500RPM
Fuel System carburetor. keihin pwk28
Ignition electric cdi w/digital advance
Spark Plug NGK R6252K-105 '01-13}[1]
Transmission Gear box: 6-speed

Final Drive: chain

Clutch: wet multidisc
Final Drive Chain: 420x120 ‘01-19[2]
Front Sprocket 14T ‘01-19[2]
Rear Sprocket 50T ‘01-19[2]
Suspension Front: 36mm inverted telescopic cartridge fork with 18-way compression damping
Rear: bottom-link uni-trak with adjustable preload, 24-way compression and 21-way rebound damping
Brakes Front: single disc
Rear: single disc
Front Tire 70/100-17
Rear Tire 90/100-14
Wheelbase 49.8 inches (1265 mm)
Length 72.05 inches (1830 mm)
Width 30.12 inches (765 mm)
Height 43.31 inches (1100 mm)
Seat Height 32.68 inches (830 mm)
Weight 143.3 pounds (65.0 Kg) (dry), 75.0 kg (wet)
Oil Capacity 0.7 L (0.74 US qt)
Recommended Oil K-tech 10W-40
Fuel Capacity 1.32 Gallon (5.00 Liters)
Related Kawasaki KX65
Kawasaki KX100
Kawasaki KX125
Kawasaki KX250
Competition Honda CR85
Suzuki RM85
Yamaha YZ85
Manuals File:2013 Kawasaki KX85-KX100 owners manual.pdf
File:2015 Kawasaki KX85 owners manual.pdf
File:Kawasaki KX85 KX100 2001-2010 Service Manual.pdf
More Manuals


The Kawasaki KX 85 is a single cylinder, two-stroke motocross motorcycle produced by Kawasaki between 2002 and 2019. Max torque was 13.28 ft/lbs (18.0 Nm) @ 10500 RPM. Claimed horsepower was 28.97 HP (21.6 KW) @ 11500 RPM.

Engine[edit | edit source]

The engine was a liquid cooled single cylinder, two-stroke. A 48.5mm bore x 45.8mm stroke result in a displacement of just 84.0 cubic centimeters. Fuel was supplied via carburetor and reed-valves.

Drive[edit | edit source]

The bike has a 6-speed transmission. Power was moderated via the wet multidisc.

Chassis[edit | edit source]

It came with a 70/100-17 front tire and a 90/100-14 rear tire. Stopping was achieved via single disc in the front and a single disc in the rear. The front suspension was a 36mm inverted telescopic cartridge fork with 18-way compression damping while the rear was equipped with a bottom-link uni-trak with adjustable preload, 24-way compression and 21-way rebound damping. The KX 85-I was fitted with a 1.32 Gallon (5.00 Liters) fuel tank. The bike weighed just 143.3 pounds (65.0 Kg). The wheelbase was 49.8 inches (1265 mm) long.

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2001[edit | edit source]

2001 Kawasaki KX85-A1


  • 84 mL
  • 2-stroke, 1-cylinder, Piston Reed Valve, Liquid-cooled
  • 6-speed, Return Shift
  • Color - Lime Green (7F)
  • VIN No. - (AU) (CA) (US) JKBKXFACv1A000001,
    • (EUR) JKBKX085AAA000001
  • F No. - KX085A-000001
  • Engine No. - KX085AE000001
  • Parts Catalog No. - (CA) (US) 99961-0509,
    • (AU) (EUR) 99917-1995-02, (JP) 99908-1014-02
  • Owner's Manual No. - (US) 99987-1027-01, (CA) 99929-1405-01,
    • (EUR) 99976-1020-01, (AU) 99986-1042-01,
    • (JP) 99921-1742-01
  • Service Manual No. - 99924-1265-01, (JP) 99925-1191-01


2003[edit | edit source]

2003 Kawasaki KX85 in Green



2005 Kawasaki KX85[edit | edit source]

The 2004 Kawasaki KX85 is a neat small motorcycle created to introduce kids to the world of dirt and motocross racing and is moved around by a brawny 84cc 2-stroke single-cylinder. Given the engine characteristics, this bike offers a lot of power, but not in an intimidating way; the manual 6-speed gearbox helps kids get used to handling a bike and tame the eagerness of the machine.

Adjustable compression and damping for the suspensions allows the 2004 Kawasaki KX85 to offer the best setups for a variety of riders, riding styles and surfaces, while the disc brakes provide reliable stopping force. Thanks to the narrow profile of the motorcycle, handling it through fast turns is much easier, while the rigid frame offers stability in a straight line and a better feel of the bike.


2005 Kawasaki KX85 II[edit | edit source]

The 2004 Kawasaki KX85 II what we'd call a mini-enduro bike. This small-displacement motorcycle has been designed with children in mind and is one of the best ways to start training the young riders. While sporting a diminutive engine, the Kawasaki KX85 II still boasts a racing look and feel.

The 2-stroke engine offers 28.5 PS and is therefore highly capable to deliver thrilling acceleration and will not be easily outgrown. Perfect for teaching children how to ride a motocross machine, the 2004 Kawasaki KX85 II also sports adjustable suspensions to tailor the response of the frame to the needs of individual riders. The full, 6-speed gearbox is also ideal to have kids get used to shifting and using power, torque and terrain to their advantage.


2006 Kawasaki KX85[edit | edit source]

The 2006 Kawasaki KX85 is a small-displacement 2-stroke motorcycle that's perfect for young riders. While being powerful enough to be raced seriously, the Kawasaki KX85 II doesn't come with the intimidating factor. It sports a linear, predictable power deployment, helping the kids get acquainted with motocross racing and improve their riding skills.

Thanks to the 38mm inverted fork and new Uni-Trak rear suspensions which are fully adjustable, it's easy to set the 2005 Kawasaki KX85 II the perfect way for any riders, surface or riding style. With a narrow profile and slimmer shrouds, the handling is improved, offering better control during fast turns and high speed stability.


2007 Kawasaki KX85[edit | edit source]

The 2006 Kawasaki KX85 is a small motocross motorcycle created to let kids discover the world of dirt racing and train their skills. The small-displacement 2-stroke single-cylinder engine provides a powerful, linear acceleration that offers the full grit of the power unit in an unintimidating manner, being at the same time sporty and easy to tame.

Disc brakes offer dependable stopping force while the new radiator makes sure the bike operates at the right temperature from start to the finish line. The piggyback reservoir rear shock is fully adjustable so the 2006 Kawasaki KX85 II can easily tackle the roughest terrain. Together with the adjustable fork, the bike can be set up to meet the needs of any rider and offer the best ground contact.


2008 Kawasaki KX85 II[edit | edit source]

2008 Kawasaki KX85 II 2008 Kawasaki KX85 II

With its 84cc displacement, the 2007 Kawasaki KX85 II is the right machine to teach children the secrets of motocross racing. This bike is the perfect blend between power and diminutive dimensions: it can be ridden by pretty much any kid, yet it offers enough brawn to behave like racing motorcycle should.

Without being intimidating, the powerful single-cylinder engine provides dependable and predictable acceleration and is thus suitable for both hard racing and slow-paced learning. Adjustable suspensions make setting the 2007 Kawasaki KX85 II comply with each rider's needs easy as pie, while providing top-notch ground contact, too. Finally, the narrow profile enhances handling, in straight lines and fast corners alike.


2009 Kawasaki KX85 II[edit | edit source]

Perfect for introducing young riders to motocross, the 2008 Kawasaki KX85 II is a small-displacement motorcycle boasting a neat combination of power and diminutive dimensions, making it easy to handle yet brawny enough for racing. Disc brakes provide no-nonsense, dependable stopping force, while the inverted fork and rear shock are fully adjustable, ensuring good road grip and a smoother ride on difficult, rough terrain.

A revised radiator keeps temperature under control, while the narrow profile of this bike ensures seamless handling at any speed. The steel perimeter chassis ensures a rigid, responsive feel of the bike while at the same time providing a stable performance for the toughest of races.


2010 Kawasaki KX85 II[edit | edit source]

2010 Kawasaki KX85 II

The 2009 Kawasaki KX85 II is a small-displacement motorcycle boasting a neat combination of power and diminutive dimensions, making it easy to handle yet brawny enough for racing. Disc brakes provide no-nonsense, dependable stopping force, while the inverted fork and rear shock are fully adjustable, ensuring good road grip and a smoother ride on difficult, rough terrain.

The revised bodywork keeps the bike on the narrow side and ensures seamless handling at any speed. The steel perimeter chassis ensures a rigid, responsive feel of the bike while at the same time providing a stable performance for the toughest of races. And with a lightweight, deeper radiator, the 2009 Kawasaki KX85 II is sure to run at the right temperature from start to the finish line.


2011 Kawasaki KX85 II[edit | edit source]

2011 Kawasaki KX85 II 2011 Kawasaki KX85 II

Much like its predecessor, the 2010 Kawasaki KX85 II sports a brawny 84cc 2-stroke single-cylinder engine which is capable to deliver the much need power for motocross racing, but with no intimidation factor. And given the fact that this bike has been designed for teaching the children the secrets of motocross and dirt racing, the linear, predictable acceleration is a top feature.

The motorcycle comes with a lightweight, thick radiator making sure the machine runs at the right temperature from start to the finish line. Both front and rear brakes are equipped with large discs for dependable stopping force, while the adjustable suspensions provide a wide range of setups, meeting the requirements of various riders and offering both great ground contact and shock damping on the roughest of terrains.


2012 Kawasaki KX85 II[edit | edit source]

Built for introducing young riders to motocross and dirt racing, the 2011 Kawasaki KX85 II is one of the most suitable bikes for training and developing the kids' riding skills. The single 84cc -cylinder engine of the 2011 KX85 II is powerful, but not in a scary way: coupled with a manual 6-speed gearbox, it makes the power delivery smoother and more predictable.

Both front and rear brakes are equipped with large discs for dependable stopping force, while the adjustable suspensions provide a wide range of setups, meeting the requirements of various riders and offering both great ground contact and shock damping on the roughest of terrains.

2013 Kawasaki KX85 II[edit | edit source]

The single 84cc -cylinder engine of the 2012 KX85 II offers a lot of power, but not in a scary way. The bike is equipped with a heavy-duty manual 6-speed gearbox, making the power delivery smoother and more predictable, eliminating the intimidation factor and thus being even more suitable for the young riders.

If you want to introduce your kid to the dirt and motocross riding, the 2012 Kawasaki KX85 II might be one of the best ways to go. Both front and rear brakes are equipped with large discs for dependable stopping force, while the adjustable suspensions provide a wide range of setups, meeting the requirements of various riders and offering both great ground contact and shock damping on the roughest of terrains.

And the narrow profile of the bodywork ensures freedom of movement and exceptional handling in fast turns, while the sturdy steel frame guarantees a firm bike response and top-notch stability.


2014 Kawasaki KX85[edit | edit source]

The 2014 MY Kawasaki KX85 sports a new two-stroke 85cc with 20% more peak power than the previous model.

The Kawasaki Integrated Power Valve System (KIPS) now has independent valves replacing the old three-piece valve design to make it more reliable and reduces the amount of time needed for maintenance.

The Uni-Trak rear suspension has also been tweaked in the shock department, to save 150 grams of weight and a new clicker-type compression damping adjustor has been introduced. This makes the small displacement 2-wheeler easily adaptable to different types of tracks.

This model has amateur racer support through Team Green.

2015 Kawasaki KX85[edit | edit source]

The 2015 MY Kawasaki KX85 sports an 85cc two-stroke engine that features the Kawasaki Integrated Power-valve system to increase mid-range torque and top-end power. The engine is paired to a six-speed transmission that has been redesigned with durability in mind.

The suspension is composed of a sturdy 36mm inverted cartridge fork and a Uni-Trak rear suspension, which aid in maneuverability and the riders control over the bike.

The bars are adjustable, making the bike more comfortable and it can accommodate a larger variety of riders.


2016 Kawasaki KX85 II[edit | edit source]

From their first ride to lifting the trophy, legends choose KX - Created to dominate and built for winners, the KX65 and new KX85 are competition ready machines designed to encourage the green shoots of youth talent allowing it to blossom into full-blown race wins and Championship success.


2017 Kawasaki KX 85[edit | edit source]

The 85 is powered by a 84cc, 2-Stroke, liquid-cooled, single cylinder engine. With a cylinder bore of 1.9 in and stroke of 1.8 in, its motor is oversquare, meaning that the cylinder bore (width) is greater than the stroke (length). This makes the engine more powerful than one of similar displacement with a smaller bore. The engine is supported by electronic fuel injection which ensures smooth and timely fuel delivery. Electronic ignition makes starting your bike a breeze and ensures a consistent throttle response.


In Media[edit | edit source]


References[edit | edit source]

  1. 2013 Kawasaki KX85 / KX100 Owners Manual. Kawasaki. 
  2. 2.0 2.1 2.2 2019 Western Power Sports Catalog. Western Power Sports. 2019. 


See Also[edit | edit source]