Yamaha YZF1000R Thunderace

The Yamaha YZF1000R Thunderace was a motorcycle produced by Yamaha from 1996 until 2005.

Yamaha YZF1000R Thunderace

Manufacturer	Yamaha
Production	1996-2005
Predecessor	Yamaha FZR1000
Successor	Yamaha YZF-R1
Class	Sport bike
Engine	1,002 cc Liquid-cooled 4-stroke DOHC 20-valve[1]
Top speed	186 mph (299 km/h)[2]
Power	158 hp (118 kW) @ 10,000 rpm (claimed)[3] 137.2 hp (102.3 kW) (rear wheel)[2]
Torque	78.3 lb⋅ft (106.2 N⋅m) (rear wheel)[2]
Transmission	Constant Mesh 5-Speed, 6- Speed upgrade using YZF750R gearbox
Suspension	Front 48 mm fork fully adjustable Rear mono shock fully adjustable
Wheelbase	1,430 mm (56 in)
Dimensions	L: 2,085 mm (82.1 in) W: 740 mm (29 in)
Seat height	795 mm (31.3 in)
Weight	435 lb (197 kg) (dry) 512 lb (232 kg)[2] (wet)
Related	Yamaha YZF600R

The YZF1000R was a stop-gap bike from the FZR1000 to the YZF-R1 and produced from existing parts bins.[4][3] The Thunderace five-valve four-cylinder engine was derived from the FZR1000, and the frame was adapted from the YZF750R.[5] The Genesis engine has undergone some changes aimed at improving mid-range power rather than the maximum output, which remains 158 bhp (118 kW). The rotating mass of crankshaft and pistons have been lightened to improve throttle response, and new carburetors equipped with "Throttle Position Sensors" give the ignition some more data to help control the EXUP valve in the exhaust pipe.