Kawasaki KX85II User Manual
2011
KX85BBF
Engine Type 2-Stroke, Liquid-Cooled, Reed Valve, Single Cylinder
Displacement 84.6 cm³
Bore & Stroke 48.5 x 45.8 mm
Compression Ratio Variable 9.2:1 high speed-10.0:1 low speed
Carburetor Keihin PWK28
Ignition Digital CDI
Transmission 6-Speed
Rake/Trail 27°/ 103 mm
Front Wheel Travel 275 mm
Rear Wheel Travel 275 mm .
Front Tire Size 70/100-19
Rear Tire Size 90/100-16
Front Suspension 36 mm inverted cartridge fork with 16-Way
Adjustable Compression Damping
Rear Suspension Bottom-Link Uni-Trak with Piggy-back Gas-Charged
Shock and Adjustable Preload, 4-Way Compression and
20-way Rebound Damping Adjustmemt
Wheelbase 1,290 mm
Front Brake 220 mm Single Disc with Dual Piston Calliper
Rear Brake 184 mm Single Disc with Single Piston Calliper
Fuel Tank Capacity 5.5 litres
Ground Clearance 380 mm
Seat Height 870 mm
Curb Mass 71 kg
Colours Lime Green
(Specications subject to change without notice.)
(Includes full fuel tank and all uids at correct levels)
Key Features:Specications:
High-Performance, Liquid-Cooled Engine
Compact Size and Weight
Adjustable Uni-Trak ® Suspension System
2011 KX85 II
KX85 II
For the growing, young rider ready to step it up to the next
level or slightly older beginners looking to start racing, the
Kawasaki KX85 is a youth racer’s dream. Powered by a liquidcooled, two-stroke, single-cylinder 84.6 cm³ engine that
generates race-winning power, the KX85 is packed with hightech features such as an electrofusion-coated cylinder with a
narrow squish band and large-volume combustion chamber to
boost top-end power.
High-Performance 2-Stroke Engine
• Lightweight ywheel with rare-earth magnets enhances
low-end engine response.
• The bridges between the intake and exhaust ports are
machine nished to resist seizure.
• groove on the exhaust pipe makes O-ring installation easy
and is more durable.
• The cylinder head has a narrow squish band and more
volume for more top-end power.
• Crankshaft design reduces turbulence in the crankcase and
increases primary compression.The thrust washers sit at
against the crank webs, instead of on raised bosses.
• The exhaust port window is designed to boost port velocity
and the outlet increases ow for more mid-range and top-end
power.
• The piston has four lubricating holes at the wrist pin for
added durability.
• Carbon Fibre reeds aid throttle response. The direction of
the bre is at a 45° angle to tune the exibility of the reeds
for precise response.
Digital Capacitor Discharge Ignition (CDI)
• Digital ECU precisely controls timing, no matter how fast the
rpm changes.
Air Box
• The right side of the airbox is cut back to increase airow
and draw air from behind the number plate as well as below
the seat.
• A large diameter boot from the airbox to the carburetor
improves airow.
High Tensile Steel Perimeter Frame
• The gas tank is positioned to improve handling and lower the
center of gravity.
• Wide footpegs for excellent control. Made of cast steel for
strength, and use a 10mm pivot for durability.
Uni-Trak Rear Suspension
• Rear suspension settings provide a progressive ride to better
resist bottoming and accommodate larger, more aggressive
riders.
36mm Inverted Cartridge Fork
• Front fork settings provide a progressive ride to better resist
bottoming and t larger and more aggressive riders.
• Inverted forks are more rigid to provide better steering
response and control.
• Compression damping is 16-way adjustable and the cartridge
design means better action.
• The aluminum upper fork tubes measure 49.5mm in
diameter for ex free performance.
Kawasaki Integrated Power Valve System
The KIPS system varies exhaust port height for increased
horsepower and torque.
• Breather in KIPS cover relieves exhaust pressure for more
precise KIPS valve action and improved high rpm
performance.
• KIPS lever stopper spring absorbs governor “over stroke” for
added durability.
• The KIPS governor has a long stroke to open the cylinder
valves more fully. A governor spring and 8 mm bearing boss
aid durability.
6-Speed Transmission
• Bushings in 2nd-4th gears on the output shaft and 5th and
6th gear on the transmission input shaft add durability.
• The ends of the shift forks are hard-chrome nished for
durability.
Clutch
• Thick base at the clutch housing ngers for increased
durability.The right hand engine cover provides a separate
clutch cover for quick servicing without removing the water
pump.
• The clutch lever and perch are the same as the KX125 /
KX250.
Keihin PWK28 Carburetor
• The crescent shaped slide enables the needle to sit closer to
the intake ports for quick throttle response.
• Large bores in the front and back of the carburetor and a
smooth shape boost ow for more mid-range and top-end
power.
Front and Rear Disc Brakes
• The brake rotors use shouldered hex bolts instead of
countersunk screws for easier maintenance.
• The forged aluminum rear brake pedal uses two recessed
O-rings instead of seals for improved sealing.
Aluminum Rims
• Aluminum rims reduce unsprung weight and their strength
adds durability.
• Rims nished in black to enhance the styling like the larger
KX models
Detail Features
• Square inset nuts on the fuel tank provide secure mounting
for the shrouds and seat base.
• A shroud on the left side of the bike looks like the big KXs
and helps cool the igniter and engine. A single radiator resides
on the right side.
• An extended fuel petcock lever is easier to use.
Optional Parts
• Optional parts include, various carburettor jets, front and
rear springs, rear sprockets and wet weather brake discs.
Authentic Kawasaki Accessories
• See www.kawasaki.com.au for all of the latest Authentic
Kawasaki Accessories available for this model.
New for 2011
•New graphics.
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