Yamaha Road Star Sback 2012 forward

Air cooled, 1670cc, 48° V-twin, OHV

Power: 84.3 HP (62 kW) @ 4400 rpm
Torque: 135 Nm (99.57 lb-ft) @ 2500 rpm
Final drive: Belt
Curb weight: 743 lbs
Category: Cruiser
Tags: Cruiser, Touring
Engine and transmission
Engine type: 2 cylinders, 4-stroke, 48° V-twin
Displacement: 1670 cc (102.04 cubic inches)
Bore × stroke: 3.82 inch × 4.45 inch (undersquare - longstroke)
Cooling system: Air cooled
Power: 84.3 HP (62 kW) @ 4400 rpm
Torque: 135 Nm (99.57 lb-ft) @ 2500 rpm
Throttle: Cable operated
Valves
Valve train: OHV, variable
Valves per cylinder: 4
Fuel and ignition
Sparks per cylinder: 1
Fuel supply system: Fuel injection
Ignition type: TCI (Transistor Controlled Ignition)
Funnel diameter: 1.57 inch
Compression: 8.3:1
Engine mounting: Transverse
Lubrication system: Wet sump
Gear box: Manual 5-speed
Clutch: Dry, multiple discs, cable operated
Final drive: Belt
Spark plug pipe type: NGK, DPR7EA
Motor oil: Mineral, 20W/40
Starter: Electric
Dimensions
Physical measures
Length: 98.4 inch
Width: 38.6 inch
Height: 44.9 inch
Wheel base: 66.5 inch
Trail: 5.6 inch
Ground clearance: 5.71 inch
Seat height: 28 inch
Weight
Curb weight: 743 lbs
Chassis and suspension
Frame type: aluminium, Double cradle frame
Front
Suspension: Cartridge - upside-down
Suspension travel: 5.51 inch
Fork angle: 32°
Brake: Twin Disk, Ø11.73 inch
Tire: 130 / 70 R16 r
Tire pressure: 0.17 PSI, with pillion: 0.17 PSI withpilion
Rear
Suspension: mono shock, Swingarm
Suspension travel: 4.33 inch
Brake: Disk, Ø11.1 inch
Tire: 150 / 80 R17 r
Tire pressure: 0.17 PSI, with pillion: 0.2 PSI withpilion
Other
ABS available: No
Power-to-weight ratio: 0.18 KW/lbs (5.44 lbs/HP)
Fuel capacity: 4.76 gals
Number of riders: 2 persons

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