Suzuki SP400: history, specs, pictures

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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 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.


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 SP400T[edit]

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 Also[edit]

In Media[edit]


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