These are the known mechanical and performance specifications for your 2012 Yamaha XT660Z Tenere.
Basic Specs

Engine
Displacement660.00 ccm (40.27 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression10.0:1
Bore/Stroke100.0 x 84.0 mm (3.9 x 3.3 inches)
Valves/Cylinder4
FuelingInjection
IgnitionTCI
Exhaust
LubricationDry sump
CoolingLiquid
Drivetrain
Gearbox5-speed
Final DriveChain
Clutch
DrivelineConstant Mesh, 5-speed
Performance
Horespower46.94 HP (34.3 kW)
Torque58.00 Nm (5.9 kgf-m or 42.8 ft.lbs)
Top Speed
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity23.00 litres (6.08 gallons)
Emissions
Chassis
Frame TypeSteel tube diamond shape
Rake28.0°
Trail113 mm (4.4 inches)
Front SuspensionTelescopic forks
Front Travel
Rear SuspensionMonocross, Swingarm
Rear Travel
Seat
Seat Height895 mm (35.2 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1,477 mm (58.1 inches)
Total Length2,246 mm (88.4 inches)
Total Width865 mm (34.1 inches)
Ground Clearance245 mm (9.6 inches)
Wheelbase1,505 mm (59.3 inches)
Dry Weight
Wet Weight206.0 kg (454.2 pounds)
Wheels & Brakes
Front Tire/Tyre90/90-21
Rear Tire/Tyre130/80-17
Front BrakesSingle disc. Hydraulic
Front Brake Diameter298 mm (11.7 inches)
Rear BrakesSingle disc. Hydraulic
Rear Brake Diameter245 mm (9.6 inches)
Wheels
Comments
Comfortable dual seat and wind-beating rally-raid style nose cowl.