YAMAHA FZR 1000

The bike that brought Yamaha to the forefront of super bike design was launched in 1987 and it was called FZR1000. The 1987 version of the Yamaha FZR1000 had a top speed of over 250km/h and the 1989 version, crowned “The bike of the Decade”, could accelerate from 0-60 in less than 3 seconds and it also had a top speed of over 270km/h. With these features any bike would be very appreciated, so production continued.

Yamaha improved the performance of the bike, notably in 1989 when the engine was enlarged to 1002cc and added an electronically operated exhaust valve whose acronym led to the bike being universally known as the EXUP.

In spite of higher displacement its size was 8mm shorter and more compact, due to a revised inclination angle of the cylinders to 35 degrees. Valve angles and sizes had been changed, as well as the camshaft timing. Bigger carburetors helped boost performance and the crankshaft has been strengthened, alog with countless other modifications.

The system added useful mid range performance and the engine’s power was also increased to 145bhp.

The unique feature which gave the 1989 onward models their “EXUP” name was a servo motor driven exhaust valve. This allowed large bore exhaust reader pipes (for excellent gas flow at high engine speeds) coupled with the valve restricting flow at lower revs, to speed the gas through.

The chassis was also improved and the bike handled better, making the EXUP the pick of the Japanese Super bikes.

General information
Model:    Yamaha FZR 1000
Year:    1990
Category:    Sport
Rating:    74.3 out of 100. Show full rating and compare with other bikes
Engine and transmission
Displacement:    1002.00 ccm (61.14 cubic inches)
Engine type:    In-line four, four-stroke
Power:    145.00 HP (105.8 kW)) @ 10000 RPM
Compression:    12.0:1
Bore x stroke:    75.5 x 56.0 mm (3.0 x 2.2 inches)
Valves per cylinder:    5
Fuel control:    DOHC
Cooling system:    Liquid
Gearbox:    5-speed
Transmission type,
final drive:    Chain
Chassis, suspension, brakes and wheels
Front tyre dimensions:    130/60-17
Rear tyre dimensions:    170/60-17
Front brakes:    Dual disc
Rear brakes:    Single disc
Physical measures and capacities
Weight incl. oil, gas, etc:    236.0 kg (520.3 pounds)
Fuel capacity:    19.00 litres (5.02 gallons)
Other specifications
Further information
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