Yamaha XT660X - 2005
Engine Type - Liquid cooled, 4-stroke, single cylinder, 4-valves, SOHC, 660 cc
Bore & stroke - 100.0 x 84.0 mm
Compression Ratio - 10.0:1
Max. power - 35.3 kW (45 HP) @ 6,000 rpm
Max. torque - 58.4 Nm (5.95 kg-m) @ 5,250 rpm
Lubrication - Dry sump
Carburettor/Fuel supply - Fuel injection, 44 mm throttle body
Clutch type - Wet, multiple-disc
Ignition - TCI
Starter system - Electric
Transmission - Constant mesh, 5-speed
Final transmission - Chain
Primary reduction ratio - 2.083
Secondary reduction ratio - 3.000
Gear ratio-1st gear - 2.500
Gear ratio-2nd gear - 1.625
Gear ratio-3rd gear - 1.150
Gear ratio-4th gear - 0.909
Gear ratio-5th gear - 0.769
Frame - Steel tube, diamond shaped
Front suspension - Telescopic forks, Ø 43 mm
Front wheel travel - 200 mm
Rear suspension - Monocross with linkage
Rear wheel travel - 191 mm
Caster angle - 26°
Trial - 94 mm
Front brake - Single floating disc, Ø 320 mm
Rear brake - Single disc, Ø 245 mm
Front tyre - 120/70R17 M/C 58H
Rear tyre - 160/60R17 M/C 69H
Overall length - 2,175 mm
Overall width - 860 mm
Overall height - 1,210 mm
Seat height - 875 mm
Wheelbase - 1,490 mm
Min. ground clearance - 205 mm
Dry weight - 173 kg
Fuel tank capacity (reserve) - 15 litres (5 litres)
Oil capacity - 2.9 litres
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