Smallest Kawasaki Motocross for 2000 was this hard hitting 60ccm bike.  A good start for the youngster wanting to start in motocross. The Kawasaki KX60 is the smallest true motocross bike Kawasaki build and just the right size for a future champion to learn to ride on.

KAWASAKI KX60 Features and Benefits

• A strong rider friendly power plant, liquid-cooled just like the professionals use.

• An engine producing good power and torque at all rpm.

• 6-Speed Transmission

• High Tensile Steel Frame

• Uni-Trak Rear Suspension

• Nitrogen-Charged Shock

• Works-Type Seat, makes it easy to shift your weight forward for more front wheel bite in the turns.

NEW model for 2000.  For years, actually for 16 years Kawasaki have had the KX60 as a fast mini crosser. The KX60 have almost had no updates in it whole life so a new more modern bike was highly wanted.

The new KX65 have the looks of its bigger brothers of the same time.  The engine was bigger then the KX60 and was highly updated. It got 1.5 mm increased bore, which is electro fusion-coated for strength and longevity. Combined with larger airbox, air cleaner and intake duct, the new motor pumps out significantly greater horsepower and torque. The cylinder was moved to the left in the frame to accommodate the new exhaust port and exhaust pipe - tucking the pipe in where it won't burn the rider's leg. The new pipe comes with a removable, aluminium silencer. More horsepower means more heat, so Kawasaki provides the KX65 with a new, larger radiator and a redesigned water pump.

The chassis was brand new with updated uni-track rear suspension, front forks was bigger. With aluminium rims and disk brakes both front and rear, the KX65 completes a package designed for the serious young racer -- not the trail rider.

Many of the world's top riders got their start riding Kawasaki KX80 Junior Motocross machines. The KX80's have been  incredibly successful winning Junior championships all over the world.

There are two models, KX80 and KX80-II, the difference are the wheels the KX80 have 17in front and 14 in. rear wheel, the KX80-II (also called Big wheel) have 19 in. front and 16 in. rear wheel. When you outgrow the normal Junior motocross bikes but you are not yet ready for a 125, Kawasaki has the solution. Go for the KX80-II, bigger diameter wheels mean a higher seat and more ground clearance and an easier bike to handle when the standard size bikes have become too small.

The KX80 provides plenty of power, thanks to its liquid-cooled, two-stroke, single-cylinder 82cc engine. It’s equipped with high-tech features, such as an Electro fusion-coated cylinder with a narrow squish band and large volume to enhance top-end power. Fuel delivery for the engine is provided by a 26mm carburettor. A Kawasaki Integrated Power-valve System (KIPS®) and exhaust pipe capped with a KX250-style muffler complement the KX80.s tractable power band, which is easy to control for riders of varying skill levels. A smooth-shifting six-speed transmission. The KX80 utilizes a high-tensile steel perimeter frame, and a specially designed gas tank sits inside the frame, lowering the fuel load and centre of gravity for improved handling, yet another design borrowed from the bigger KX motorcycles. Long-travel suspension features a 36mm inverted cartridge front fork that has the capability of 18-way compression damping adjustment. Out back, the spring preload, compression and rebound damping are all adjustable on the UNI-TRAK rear suspension system.

For 2000 the KX125 receive an all-new bladder-type front fork, used currently on the factory race bikes, that should provide smoother response. The outer fork tubes have smoother internal surfaces for better action, improved dust seals and the fork assembly is equipped with new, stiffer 0.43 kg/mm springs (0.41 kg/mm for the KX125). The rear shock has revised settings to match the new fork and also features both high and low speed compression damping adjustments.

The engine have got  revised ports for better low- and mid-range power, a redesigned exhaust pipe, increased cylinder head volume, revised carburettor jetting, an increased intake manifold and a heavier flywheel.

According to this changes, the 2000 KX125 is a lot faster than last year's stock bike. The new model apparently has much better low-end -- something missing from last year's bike. This is good news for Kawasaki fans, many of whom love the sweet handling chassis of the KX125, but have been waiting for Kawasaki to make the stock motor more competitive.

Modifications for 2000:

For 2000 the KX250 receive an all-new bladder-type front fork, used currently on the factory race bikes, that should provide smoother response. The outer fork tubes have smoother internal surfaces for better action, improved dust seals and the fork assembly is equipped with new, stiffer 0.43 kg/mm springs (0.41 kg/mm for the KX125). The rear shock has revised settings to match the new fork and also features both high and low speed compression damping adjustments.

Changes to the 249cc liquid-cooled engine include smaller main and sub-exhaust ports with the sub port moved closer to the main port for improved power; new valve timing for smoother delivery and to  prevent fluttering; all-new carburettor jetting, ignition timing and an air guide wing. The con-rod has been made stronger and the transmission has been tweaked to improve shifting.

		Source: BikePics
			Y2K 250 Motocross Shootout

The biggest and strongest you get, the KX500. Power for the KX500 comes from a liquid-cooled 499cc  two-stroke witch pumps out big-bore horsepower for the entire rpm range. There are powerful front and rear disc brakes provide aggressive stopping power, and fully adjustable suspension components. Incredibly fast and never lacking for torque, it is made for the experienced racer who wants a machine that never ceases to amaze with its ability to win high-speed desert races, climb the steepest hill or manoeuvre through the most challenging Hare & Hound course. A string of racing victories, including nine Baja 1000 championships and nine AMA National Hare & Hound championships, prove this Kawasaki is the king of KX motocross bikes.  The KX500 have not been so frequently updated as the 125 and 250 but its still a modern motocross bike with all the right equipment.

Features and Benefits:  Electro fusion cylinder improves heat transfer for consistent power output,  porous design holds lubrication well and resists abrasion and seizure and allows closer engine tolerances for more horsepower. Liquid Cooling  for even-running temperatures helps ensure consistently strong power output. KIPS-D  Controls exhaust port height to provide optimum exhaust timing at all rpm and produces a broader power band, more low-end torque and more top-end power, bleeds down compression pressure at cranking speeds, making kick-starting a breeze. 39mm Crescent Slide Carburettor  for smooth transitions at intermediate throttle openings at all rpm. High-tensile Steel Frame, semi-double cradle design with bolt-on aluminium rear section and race-proven frame geometry offers nimble turning and unmatched stability. 46mm Upside-down Cartridge Fork offer great rigidity for a confidence-inspiring ride without a weight penalty.  18-way rebound and compression damping adjustments are provided to fine tune for different riders and conditions. UNI-TRAK® Rear Suspension with lightweight aluminium-constructed swingarm keeps weight to a minimum.  20-way compression and 18-way rebound-damping adjustment, along with spring preload adjustability, allow the rider to fine tune rear suspension. Triple-bearing Rear Hub, two ball bearings on the drive side of the hub and the brake side help ensure durability.  Rear hub oil seals improve bearing durability and hollow rear axel reduces weight

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