The Suzuki DR-Z400 is a dual-sport motorcycle manufactured by Suzuki beginning in 2000. It is powered by a single-cylinder, 398 cc (24.3 cu in), carbureted, liquid-cooled four-stroke engine.^[2]

Suzuki DR-Z400

Manufacturer	Suzuki
Predecessor	DR350
Class	Dual-sport
Engine	398 cc (24.3 cu in) 4-stroke single
Bore / stroke	90.0 mm × 62.6 mm (3.54 in × 2.46 in)
Compression ratio	11.3:1
Top speed	94 mph (151 km/h)[1]
Power	31.8 hp (23.7 kW)[1] @ 8,400 rpm
Torque	17.9 lb⋅ft (24.3 N⋅m)[1] @ 5,800 rpm
Transmission	5-speed manual, constant-mesh, chain-drive[1]
Frame type	Diamond Block
Brakes	Disc
Seat height	E/S: 935 mm (36.8 in) SM: 890 mm (35.0 in)
Weight	319 lb (145 kg)[1] (wet)
Fuel capacity	10 L (2.2 imp gal; 2.6 US gal)
Oil capacity	2 L (0.44 imp gal; 0.53 US gal)
Fuel consumption	44.4 mpg‑US (5.30 L/100 km; 53.3 mpg‑imp)[1]
Related	Kawasaki KLX400[2]

Kawasaki marketed a private labeled version of the DR-Z known as the KLX400 – it is nearly identical to the DR-Z400 except for bodywork and some accessories.^[2]

The DR-Z is used by the Australian Army and is slightly modified for the Army role.^[3]

The DR-Z400 has been produced in four variants:

• DR-Z400 - kick-start only, not street legal (US), possibly street legal (AUS).
• DR-Z400E - electric-start, not street legal (US), street legal (AUS) kick-start.
• DR-Z400S - street legal (headlight, taillight, turn signals, mirrors and electric start).
• DR-Z400SM - Supermoto, first year 2005, street legal, comes standard with 17-inch (430 mm) sportbike inspired wheels, oversize front and rear brakes, RMZ rear swing-arm and inverted forks.