Yamaha FZR1000: Difference between revisions
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The unique feature which gave the 1989 onward models their '[[EXUP]]' name was a servo motor driven exhaust valve. This allowed large bore exhaust header pipes (for excellent gas flow at high engine speeds) coupled with the valve restricting flow at lower revs, to speed the gas through. It gave pulling power from low revs, seamlessly, up to the red line at 11,500RPM. Yamaha used this valve system on the YZF models which followed (Thunderace) and the R1 models from 1998. |
The unique feature which gave the 1989 onward models their '[[EXUP]]' name was a servo motor driven exhaust valve. This allowed large bore exhaust header pipes (for excellent gas flow at high engine speeds) coupled with the valve restricting flow at lower revs, to speed the gas through. It gave pulling power from low revs, seamlessly, up to the red line at 11,500RPM. Yamaha used this valve system on the YZF models which followed (Thunderace) and the R1 models from 1998. |
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History |
==History== |
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The FZR1000 quickly went out of production following the 1994 introduction and sales success of the Supersport series, lead by 1994's introduction of the [[Tadao Baba]] developed [[Honda Fireblade]].<ref name="Telg1">{{citeweb|url=http://www.telegraph.co.uk/motoring/4746244/On-the-cutting-edge.html|title=On the cutting edge - Kevin Ash meets Tadao Baba, the man who revolutionised sports bike design with the Honda FireBlade|author=Kevin Ash|publisher=The Daily Telegraph|date=2000-09-12|accessdate=2009-10-28}}</ref> It was not until the 1998 development of the [[Yamaha YZF-R1]] that Yamaha again caught up. |
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{{Yamaha motorcycles}} |
{{Yamaha motorcycles}} |
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Revision as of 22:15, 8 November 2009
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| Manufacturer | Yamaha |
|---|---|
| Production | 1987-1995 |
| Successor | YZF1000R Thunderace |
| Class | Sport bike |
| Engine | 1003 cm³ (61.2 in³) liquid-cooled inline four-cylinder (20 Valve) developing 145 hp (106 kW) @ 10,000 rpm ;136 hp (99 kW) @ 10,000 rpm for 1987-1988 model. Torque = 78.8 ft·lbf (106.9 N·m) @ 8500 |
| Transmission | close-ratio five-speed |
| Seat height | 770 mm (30.3 in) |
| Weight | 209 kg (461 lb) (dry) 236 kg (520 lb) (wet) |
| Fuel capacity | 19 L (5 US gal) Reserve fuel capacity of 3.5 L (0.9 US gal) |
The 1987 version of the Yamaha FZR1000 had a top speed of over 155 mph. The 1989 version, crowned the "Bike of the Decade"[by whom?], had 0-60 acceleration of 3.9 seconds, and a top speed of over 167 mph. The unique feature which gave the 1989 onward models their 'EXUP' name was a servo motor driven exhaust valve. This allowed large bore exhaust header pipes (for excellent gas flow at high engine speeds) coupled with the valve restricting flow at lower revs, to speed the gas through. It gave pulling power from low revs, seamlessly, up to the red line at 11,500RPM. Yamaha used this valve system on the YZF models which followed (Thunderace) and the R1 models from 1998.
History
- 1987-1988: FZR 1000 "Genesis"
- 1989-1990: FZR 1000 "Exup", major motor and chassis redesign, two round headlights
- 1991-1993: FZR 1000 "Exup", USD forks fitted, one rectangular headlight
- 1994-1995: FZR 1000 "Exup", Revised USD forks, uprated brakes, two "fox-eye" shaped headlights.
In some countries old stock was carried on to sell in later years, notably 1996 models which are identical to 1995.
End of line
The FZR1000 quickly went out of production following the 1994 introduction and sales success of the Supersport series, lead by 1994's introduction of the Tadao Baba developed Honda Fireblade.[1] It was not until the 1998 development of the Yamaha YZF-R1 that Yamaha again caught up.
- ^ Kevin Ash (2000-09-12). "On the cutting edge - Kevin Ash meets Tadao Baba, the man who revolutionised sports bike design with the Honda FireBlade". The Daily Telegraph. Retrieved 2009-10-28.