Yamaha XT660X (2006-07)

The Yahama XT 660X is a motorcycle model that was produced from 2006-07. It is equipped with a four-stroke single-cylinder, SOHC, 4-valve engine with a capacity of 659cc/40.2 cu-in. The engine has a compression ratio of 10:1 and is liquid-cooled. Fuel injection is provided through a 44mm throttle body and lubrication is through a dry sump system. The motorcycle has an electric start and a maximum power output of 33.8 kW/48 hp at 6000 rpm, and maximum torque output of 58.4 Nm/5.7 kgf-m at 5250 rpm. The transmission has 5-speeds and the final drive is through a chain. The motorcycle has a steel tubular diamond frame with dual tank rails, front suspension is provided by 43mm telescopic forks with front wheel travel of 225 mm/8.8 in, while the rear suspension is an oscillating arm standard Monocross with a rear wheel travel of 200 mm/7.9 in. It has a front single 320mm disc with a 4-piston caliper and a rear single 245mm disc with a 1-piston caliper. The front tyre size is 120/700-17, while the rear tyre size is 160/60-17. The rake is 26.0 degrees and the trail is 94 mm/3.7 in. The motorcycle has a height of 1170 mm/461 in, a length of 2175 mm/85.6 in, and a width of 860 mm/33.9 in. The wheelbase is 1505 mm/59.3 in, ground clearance is 210 mm/8.3 in, and the seat height is 875mm / 34.4 in. The dry weight is 173 kg/318.4 lbs while the wet weight is 186 kg/410.1 lbs. The motorcycle has a fuel capacity of 15 litres/3.9 gal.

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Technical specifications:

Make Model: Yamaha XT 660X

Year: 2006 – 07

Engine: Four stroke, single cylinder, SOHC, 4 valve

Capacity: 659 cc/ 40.2 cu-in

Bore x Stroke: 100 x 84 mm

Compression Ratio: 10: 1

Cooling System: Liquid cooled

Induction: Fuel injection, 44 mm throttle body

Lubrication: Dry sump

Oil Capacity: 2.9 Litres / 0.19 quarts

Ignition: TCI

Starting: Electric

Max Power: 33.8 kW / 48 hp @ 6000 rpm

Max Torque: 58.4 Nm / 5.7 kgf-m @ 5250 rpm

Clutch: Wet, multiple-disc coil spring

Transmission: 5 Speed

Final Drive: Chain

Frame: Steel tubular diamond frame with dual tank rails

Front Suspension: 43 mm Telescopic forks,

Front Wheel Travel: 225 mm / 8.8 in

Rear Suspension: Oscillating arm standard Monocross.

Rear Wheel Travel: 200 mm / 7.9 in

Front Brakes: Single 320mm disc 4 piston caliper

Rear Brakes: Single 245mm disc 1 piston caliper

Front Tyre: 120/700-17

Rear Tyre: 160/60-17

Rake: 26.0 degrees

Trail: 94 mm / 3.7 in

Dimensions: Height 1170 mm / 461 in Length 2175 mm / 85.6 in Width: 860 mm / 33.9 in

Wheelbase: 1505 mm / 59.3 in

Ground Clearance: 210 mm / 8.3 in

Seat Height: 875mm / 34.4 in

Dry Weight: 173 kg / 318.4 lbs

Wet Weight: 186 kg / 410.1 lbs

Fuel Capacity: 15 Litres / 3.9 gal