1981 Yamaha XJ 400 Seca

General motorcycle information

Model

Yamaha XJ 400 Seca

Year

1981

Engine and transmission

Displacement

24.29 cubic inches (398.0 ccm)

Engine type

Four cylinder boxer, 4 stroke

Power

45.0 horsepowers (33.6 kiloWatts) at 10000 RPM

Torque

25.00 pound-foot/lbf-ft (33.90 Nm / 3.46 kgf-m) at 8000 RPM

Compression

9.7:1

Bore x stroke

3.11 x 2.98 inches (51.0 x 48.8 mm)

Fuel system

Carburettor

Fuel control

Double Overhead Cams/Twin Cam (DOHC)

Cooling system

Air

Gearbox

6-speed

Transmission type, final drive

Chain

Starter

Electric

Fuel consumption

Top speed

162.5 kmh (101.0 mph)

Chassis, suspension, brakes and wheels

Front suspension travel

8.66 inches (142.0 mm)

Rear suspension travel

5.86 inches (96.0 mm)

Front tyre

2.50-19

Rear tyre

110/90-18

Front brake

Single disc

Rear brake

Expanding brake (drum)

Physical measures and capacities

Dry weight

388.0 pounds (176.0 kg)

Seat height

Wheelbase

Ground clearance

Fuel capacity

Oil capacity

Further motorcycle information

More specs

All technical data from Bikez.com.

Rating

Detailed 1981 Yamaha XJ 400 Seca rating

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