Yamaha YZF600R

Yamaha YZF600R

Stock Yamaha 2001 Yzf600r Thundercat
Manufacturer	Yamaha Motor Company
Also called	Thundercat
Production	1994–2007
Predecessor	FZR600
Successor	Yamaha R6
Class	Sport bike
Engine	599 cc (36.6 cu in), liquid-cooled, DOHC, 16 valve, inline four 4×36 mm Keihin CV downdraft carburetors
Bore / stroke	62 mm × 49.6 mm (2.44 in × 1.95 in)
Power	100.6 hp (75.0 kW) @ 11,500 rpm [1]
Torque	48.4 lbf⋅ft (65.6 N⋅m) @ 9,500 rpm [2]
Transmission	6-speed sequential manual
Frame type	Deltabox
Suspension	Adjustable preload, compression, rebound Front: 41 mm telescopic fork 130 mm (5.1 in) travel Rear: Monoshock w/remote reservoir 120 mm (4.7 in) travel
Brakes	Front 2×D298 mm floating discs 4-piston calipers Rear:245 mm disc
Rake, trail	25.0°, 97 mm (3.82 in)
Wheelbase	1,410 mm (55.7 in)
Dimensions	L: 2,060 mm (81.1 in) W: 725 mm (28.54 in)
Seat height	810 mm (31.7 in)
Fuel capacity	19 L (4.2 imp gal; 5.0 US gal)
Related	Yamaha FZR600R Genesis Yamaha YZF1000R Thunderace Yamaha FZS600 Fazer

The Yamaha YZF600R (Thundercat in European markets) is a 599 cc (36.6 cu in) sports bike made by Yamaha from 1996 to 2007.

The YZF600R Thundercat was introduced to the USA in 1994 (Europe in 1996) as a replacement to the FZR600R. During the 1997 European 600 super sport championship season, the YZF600R Thundercat was the only four-cylinder motorcycle to win a race against the dominant Ducati 748.^[4]

Yamaha sold the YZF600R "Thundercat" in Europe from 1996 to 2003, and from 1994 to 2008 in the United States and Canada. From 1994 to 1996 the YZF600R had distinctive twin "Cats eye" headlights. In 1997 it was updated to have a single rounded triangular headlight, and it left behind the more boxy 1980s/1990s style fairings in favor of a more curvaceous design which was popular at that time. In 1997 the YZF600R exhaust system and wiring loom were updated, after which it received little more than periodic minor aesthetic and color changes. The Thundercat was equipped with 4×36 mm Keihin CV downdraft carburetors for the entirety of its production from 1994 to its last year of production in 2007. ^[5]

It retained many major mechanical components from the FZR600R such as the 599cc 4-cylinder engine, 6-speed transmission, suspension components,^[4] and steel "Deltabox" perimeter frame.

In 1998 Sport Rider magazine said the YZF600R is "More fun on the racetrack than we ever dreamed, brakes that embarrassed the rest of the field. Consensus: Best middleweight street bike on the planet."^{[6][page needed]}

Motor Cycle News describes the YZF600R as more suited to sport touring than aggressive sport or road racing.,^[7] while the fully adjustable Kayaba suspension and Sumitomo "Blue Spot" mono-block calipers, later used on the R1, R6 and other models, also make it a good choice for track racing.^{[contradictory][8]}

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