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Yamaha XS400 - generations and specs | MOTOVULKAN

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Yamaha
XS400

Yamaha · Model— XS400

XS400

1 generation1983 - 1983·Naked

Yamaha XS400 1983

About generation 16Y

1983

Years: 1983+
Frame codes: 16Y
Class: Naked

Specifications

9 groups

General

2

Model code: 16Y
Manufacturer: YAMAHA

Engine

17

Bore: 69 mm
Cooling: Air-cooled
Power: 45 hp
Power RPM: 9,500 rpm
Stroke: 53.4 mm
Cylinders: 2
Torque RPM: 8,000 rpm
Engine code: 16Y
Fuel system: Carburetor
Engine type: 4-stroke
Torque (kgf·m): 3.5 kgf·m
Valvetrain: DOHC
Lubrication: Wet sump
Cylinder layout: Inline
Displacement: 399 cc
Fuel system model: BS35
Compression ratio: 9.7

Transmission

10

Type: Return shift
Gears: 6
Clutch: Wet multi-plate
Chain size: 530
Shift type: Foot shift
Chain links: 104
Final drive: Chain
Gear ratios: 2.733 / 1.947 / 1.545 / 1.24 / 1.035 / 0.931
Primary reduction: 3.068
Secondary reduction: 2.375

Chassis

17

Frame: Backbone
Rear tire: 4.10-18
Front tire: 3.00-18
Rear brake: Drum (leading-trailing)
Front brake: Hydraulic dual disc
Rear rim shape: MT
Rear rim width: 2.15
Front rim shape: MT
Front rim width: 1.85
Rear suspension: Swingarm
Front suspension: Telescopic fork
Rear ply rating: 4PR
Front ply rating: 4PR
Rear tire construction: Bias
Front tire construction: Bias
Rear travel: 95 mm
Front travel: 140 mm

Dimensions

9

Trail: 95 mm
Width: 730 mm
Height: 1,110 mm
Length: 2,045 mm
Rake: 26.5 °
Wheelbase: 1,380 mm
Seat height: 780 mm
Ground clearance: 140 mm
Turning radius: 2.3 m

Weight

3

Dry weight: 169 kg
Wet weight: 188 kg
Seats: 2

Capacities

2

Fuel tank: 20 l
Engine oil (total): 2.9 l

Electrical

6

Starter: Electric starter
Ignition: Transistorized (TCI)
Spark plug: D8EA
Battery capacity: 12V-12Ah
Taillight rating: 27W/8W
Headlight rating (high): 60W/55W

Performance

5

Range: 860 km
Rear tire pressure: 2.25 kgf/cm²
Front tire pressure: 2 kgf/cm²
Measure standard: MLIT (60 km/h)
Fuel economy: 2.3 L/100km

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