Open main menu

Suzuki SP400: history, specs, pictures

The Suzuki SP400 was a single cylinder, air-cooled, four-stroke Trail motorcycle produced by Suzuki in 1980. It was kickstart only and came with drum brakes front and rear.

1980 suzuki sp400 1.jpg
Suzuki SP400
Also called SP 400
Production 1980
Class Trail
Predecessor Suzuki SP370
single cylinder, four-stroke
Bore / Stroke 88.0mm x 65.2mm
Top Speed 90 mph
Fuel System carburetor
Spark Plug NGK D8EA '80
Battery YUASA 6N4B-2A '80
Transmission Gear box: 5-speed
Final Drive: chain
Final Drive Chain: 520 ‘80[1]
Suspension Front: 30-48-10.5 225cc
Rear: part code 20340006, spec 340-a
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 2.75-21
Rear Tire 4.00-18
Weight 279.99 pounds (127.0 Kg) (dry),
Oil Capacity 0.5 Gallon (1.90 Liters)
Recommended Oil Suzuki ECSTAR 10w40
Competition Yamaha XT500
Manuals Service Manual



The engine was a air cooled single cylinder, four-stroke. A 88.0mm bore x 65.2mm stroke result in a displacement of just 396.0 cubic centimeters. Fuel was supplied via a overhead cams (ohc).


The bike has a 5-speed transmission.


It came with a 2.75-21 front tire and a 4.00-18 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The bike weighed just 279.99 pounds (127.0 Kg).

1980 SP400TEdit

1980 Suzuki SP400T
1980 suzuki sp400 in red.
1980 suzuki sp400 in red.
1980 suzuki sp400 in red.

  • FRAME #: SP400-100034
  • ENGINE #: SP400-100036
  • ENGINE TYPE: 397cc Four-stroke
  • MODEL CODE: 371
  • COLOR: Maroon
  • Black side covers
  • Round headlight

See AlsoEdit

In MediaEdit


  1. 2019 Western Power Sports Catalog. Western Power Sports. 2019.