Engine

- Straighter exhaust port, and extended ribs in both the intake and exhaust ports improve low to mid-range response

- Throttle barrel utilizes new low-friction design for improved rider control and performance feedback

- Revised ignition system timing improves top-end and over-rev performance

- Rev-limiter changed to spark drop out control for smooth power drop-off and excellent over-rev characteristics

- Radiators are 40mm longer for improved cooling efficiency

- Water pump cover and oil filter cap are now separate for simplified maintenance.

- Muffler features new packing and construction for longer service and increased durability

Transmission

- Third and fourth input gears are shotpeened for improved reliability and durability

- New clutch friction plates have fewer contact pads to provide the rider with a more direct clutch feel

- Clutch springs are made from new, more durable material to resist sagging

- Clutch adjuster makes adjustments on the track quick and easy

- Clutch cable outer liner now made of Teflon for smoother clutch action

Chassis

- Head pipe wall thickness has been increased from 2.6 to 3.2mm for improved handling

- Footpegs are wider and offer better grip

- Chain guide roller now uses two bearings for greater durability

Front Suspension

- Kayaba semi-sealed, 48mm inverted cartridge forks have new low-friction seals for smoother action through the stroke range

- Fork mounting bolts have been relocated on the top triple clamp for easier maintenance and stronger mounting

- Lighter fork and rear shock mounting bolts contribute to reduced overall weight

- Width of handlebar mounts have been increased from 90 to 98mm to help prevent bending

Brakes

- Dual-piston 250mm front disc brake uses new pad material for improved performance and rider feel

- New front brake lever provides rider with better feedback

Bodywork

- New seat cover uses high-grip top for good grip when cornering and smoother sides for transitioning from sitting to standing

- MOre durable urethane foam improves comfort and durability

Kawasaki Options (Available Through Kawasaki Dealers)

- Aluminum and steel sprockets

- Carburetor setting parts

- Front fork and rear shock springs

- Flywheel rotors for altering the amount of engine inertia to suit riding style and track conditions

- Right handlebar-mounted lever allows manual operation of engine decompression, making it easier to clear a flooded engine

- 20-inch front wheel