Yamaha XT660R

The Yamaha XT660 is dual-purpose on/off road motorcycles released by Yamaha Motors as a replacement for the XT600.

Yamaha XT660R

Manufacturer	Yamaha Motor Company
Predecessor	XT600
Class	Dual-sport
Engine	660 cc liquid-cooled, 4-stroke, SOHC, single-cylinder, 4-valve, fuel injected
Bore / stroke	100.0 mm × 84.0 mm (3.94 in × 3.31 in)
Compression ratio	10.0:1
Power	35 kW (47 hp) @ 6,000 rpm
Torque	58 N⋅m (43 lbf⋅ft) @ 5,500 rpm
Transmission	5-speed chain drive
Suspension	Front: Telescopic forks Rear: Monoshock
Brakes	Front: Single disc Rear: Single disc
Tires	Front: 90/90R21 Rear: 130/80R17 Spoked tubed wheels
Rake, trail	28° / 113 mm (4.4 in)
Wheelbase	1,500 mm (59 in)
Dimensions	L: 2,260 mm (89 in) W: 895 mm (35.2 in) H: 1,500 mm (59 in)
Seat height	895 mm (35.2 in)
Weight	181 kg (399 lb) (wet)
Fuel capacity	15 L (3.3 imp gal; 4.0 US gal)
Oil capacity	2.9 L (3.1 US qt)
Related	XT660Z Ténéré

It is a development of the original XT series ('X' stands for 4 strokes, 'T' for TRAIL), a line of motorcycles inspired by those used on the Paris Dakar rally. The first XT was released in 1976. The XT660R is the standard Enduro model ('R' stands for racing).

A five-valve version of the 660 cc engine was used in a number of MZ (MuZ) motorcycles, including the MZ Skorpion, Baghira and Mastiff.

After 2015 this bike was not sold in some European countries and US.