Yamaha XJ400 Special

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Yamaha-XJ-400-Special--2.jpg
Yamaha XJ400 Special
Manufacturer
Production 1981
Class Standard
Engine
Four stroke, transverse four cylinder. DOHC
Compression ratio 9.7:1
Ignition Battery powered inductive
Transmission 6 Speed
Suspension Front: 35mm Telescopic forks
Rear: Single shock, adjustable spring preload
Brakes Front: Single discs 2 piston caliper
Rear: Drum
Front Tire 3.00-19
Rear Tire 110 90-18
Weight 176 kg / 388 lbs (dry),
Recommended Oil Yamalube 10w-40
Fuel Capacity 15 Liters / 3.9 US gal
Manuals Service Manual



Engine[edit | edit source]

The engine was a Air cooled cooled Four stroke, transverse four cylinder. DOHC. The engine featured a 9.7:1 compression ratio.

Chassis[edit | edit source]

It came with a 3.00-19 front tire and a 110 90-18 rear tire. Stopping was achieved via Single discs 2 piston caliper in the front and a Drum in the rear. The front suspension was a 35mm Telescopic forks while the rear was equipped with a Single shock, adjustable spring preload. The XJ400 Special was fitted with a 15 Liters / 3.9 US gal fuel tank. The bike weighed just 176 kg / 388 lbs.

Photos[edit | edit source]

Yamaha XJ400 Special Yamaha XJ400 Special Yamaha XJ400 Special

Overview[edit | edit source]

Yamaha XJ 400 Special










Make Model Yamaha XJ 400 Special
Year 1981
Engine Type Four stroke, transverse four cylinder. DOHC
Displacement 398 cc / 24.2 cu-in
Bore X Stroke 51 х 48.8 mm
Cooling System Air cooled
Compression 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 discs 2 piston caliper
Rear Brakes Drum
Front Tire 3.00-19
Rear Tire 110 90-18
Dry Weight 176 kg / 388 lbs
Fuel Capacity 15 Liters / 3.9 US gal