Suzuki DR800S
ManufacturerSuzuki
Production1990-1999
AssemblyJapan
PredecessorSuzuki DR750S
SuccessorSuzuki V-Strom 1000
Engine779 cc (47.5 cu in), 4-stroke, SOHC, 4-valve, air/oil cooled, single
Bore / stroke105 mm × 90 mm (4.1 in × 3.5 in)
Transmission5-speed
SuspensionTelescopic fork, link type swingarm
TiresF: 90/90-21
R: 130/80-17
DimensionsL: 2,255 mm (88.8 in)
Weight185 kg (408 lb) (wet)

The Suzuki DR800S is a 779 cc (47.5 cu in) single-cylinder dual-sport motorcycle made by Suzuki from 1990 to 1999.

History and development

The DR800S (also called DR Big 800S or DR800S Big) is a motorcycle produced by the Japanese motorcycle manufacturer Suzuki. The bike mounts a single-cylinder four-stroke engine with an air/oil-cooled SACS (Suzuki Advanced Cooling System) cooling system available in the single displacement of 779 cm³, which delivers 54 HP at 6600 rpm and a maximum torque of 59 Nm at 5400 rpm.

At the time of launch, it was the production bike with the largest single-cylinder architecture engine,[1] remaining so even after.[2]

The engine is fed by two Mikuni carburettors assisted by a "twin spark" transistor electronic double ignition system with two spark plugs, having SOHC distribution with 4 chain-operated valves per cylinder and equipped with double countershafts to reduce the strong vibrations typical of single-cylinder engines, with wet sump lubrication.

Primary transmission is via gears and a mechanically operated wet multi-plate clutch, assisted by a five-speed gearbox. Power is transmitted to the rear wheel via chain.

The frame is of the double cradle type in steel with a square section.

References

  1. "Suzuki DR Big: pronto il ritorno?". InSella.it.
  2. "SUZUKI DR800 (1991 - 1997) Review". www.motorcyclenews.com.
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