Page 370 - (DK) The Ultimate Visual Dictionary 2nd Ed.

RAIL AND ROAD
1992 HUSQVARNA MOTOCROSS TC610
Competition Throttle cable Handlebar Long
brace seat Racing
Hand protector Radiator number
motorcycles Flexible plastic air vent

fender
Light-
THERE ARE MANY TYPES of motorcycle sport weight
exhaust
and in each, a specialized machine has evolved Telescopic system
fork
to perform to specific requirements. Races take
place on roads or tracks or “off-road,” in fields, Plastic
dirt tracks, and even the desert. “Grand Prix” guard
world championships in road-racing are Axle Overhead Gear
camshaft lever
contested by three classes: 125cc, 250cc two- engine
strokes; the top class of 500cc two-strokes; and Shock Disc
Knobby absorber brake
900cc four-stroke machines. The latest racing tire Disc Brake Shock
sidecars have more in common with racing brake calliper Alloy swingarm absorber
linkage
cars than motorcycles. The rider and
passenger operate within an all-enclosing, 1992 SUZUKI RGV500
aerodynamic fairing. The Suzuki RGV500 SIDE VIEW
shown here, like other Grand Prix machines, Racing Air vent
carries advertising, which helps to cover the Exhaust pipe number
cost of developing motorcycle technology. One-piece seat Shock
and tail unit absorber
In Speedway, which originated in the US in
1902, motorcycles operate without brakes or Minimal
seat padding
a gearbox. Off-road competition motorcycles
have less emphasis on high power output.
In Motocross, for example, which is held on
rough terrain, they must have high ground
clearance, flexible long-travel suspension, and
Arched alloy
tires with a chunky tread pattern. swingarm

Exhaust
pipe
Exhaust
pipe
Vent
Muffler
Handlebar
Shock
absorber
mounting
Footrest

Three-spoke
alloy wheel
Rear brake
pedal
Exhaust pipe
Drive chain Brake
pedal
Axle
Wide, slick tire adjustor Disc brake
Footrest master cylinder
REAR VIEW Disc brake
Drive chain
Rear brake Slick Lightweight
calliper racing tire alloy frame

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