Yamaha XJ 400 Seca

 

 

 

Make Model

Yamaha XJ 400 Seca

Year

1980 - 81

Engine

Four stroke, transverse four cylinder. DOHC

Capacity

398 cc / 24.2 cu-in
Bore x Stroke 51 х 48.8 mm
Cooling System Air cooled
Compression Ratio 9.7:1

Induction

2x 34mm Mikuni carburetor

Ignition 

Battery powered inductive 
Starting Electric

Max Power

45 hp / 32.8 kW @ 10000 rpm

Max Torque

3.5 kgf-m / 25 lb-ft@ 8000 rpm

Transmission

6 Speed 
Final Drive Chain

Front Suspension

35mm Telescopic forks
Front Wheel Travel 142 mm / 5.6 in

Rear Suspension

Single shock, adjustable spring preload
Rear Wheel Travel 96 mm / 3.8 in

Front Brakes

Single disc 1 piston caliper

Rear Brakes

Drum

Front Tyre

3.00-19

Rear Tyre

110 90-18

Dry Weight

176 kg / 388 lbs

Fuel Capacity 

15 Litres / 3.9 US gal

Standing ¼ Mile  

14.0 sec  /  90.5 mph

Top Speed

162.5 km/h / 101 mph