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2007 Suzuki DR-Z400S

The DR-Z400S looks like an off-road machine, and it is - with all the unmatched performance capabilities you’d expect from a Suzuki. But look a little more carefully and you’ll see you get a bonus: it’s 100-percent street legal.

 The DR-Z400’s exceptional off-road performance should come as no surprise. After all, it uses the same advanced suspension as the renowned DR-Z400E. It also has a lightweight, compact design that helps it offer crisp handling everywhere from tight, technical trails to wide-open fire roads.

Off-road or on the street, the DR-Z400S provides strong torque across the powerband and amazing throttle response. And it features remarkably smooth performance, complemented by conveniences such as electric starting and a compact, easy-to-read instrument cluster.

Key Features

  • Suzuki’s industry-leading DualSport model that combines the best on and off-road features in a lightweight package


Basic Differences from DR-Z400E

  • Compact digital instrument cluster with speedometer, odometer, twin-trip meters with addition/subtraction capability, clock, timer and stopwatch functions
  • Smooth throttle response with a MikuniT BSR36 CV-type carburetor fed by 6-liter airbox. The left side cover has quick-release fasteners for easy access to the air filter
  • Reduced compression ratio (12.2:1 to 11.3:1) for operation with 87-octane fuel
  • On-road legal lighting with bright 60/55 watt halogen headlight, compact tail/stoplight, lightweight, rubber-mounted turn signals and horn
  • Thermostatically-controlled cooling fan mounted to the left radiator helps maintain consistent operating temperature in traffic


Engine Features Shared with DR-Z400E

  • 398cc, DOHC, liquid-cooled, dry-sump engine produces strong low-rpm power
  • Electric start with lightweight starter motor and a compact 6.5 amp maintenance-free battery
  • Compact 4-valve cylinder head with 36mm intake valves, 29mm exhaust valves, narrow 28º included valve angle and shim-under-bucket valve adjustment system
  • Automatic decompression system for quick/easy engine starts
  • SCEM-plated cylinder (nickel-silicon-phosphorous) is lighter and more durable than an iron liner with excellent heat transfer properties
  • Forged aluminum piston is 10% lighter than a cast piston and receives additional oil-cooling to the piston crown through a crankcase oil jet
  • Compact 5-speed transmission utilizes a cable-operated clutch with separate outer cover for simplified clutch maintenance
  • Additional weight savings with magnesium valve cover, clutch cover, and magneto cover


Chassis Features Shared with DR-Z400E

  • Narrow profile with smooth transitions between the tank, seat and bodywork
  • Chrome-moly steel frame is torsionally strong with minimal weight. The backbone tube, front down tube, and steering head gussets form the dry-sump engine oil tank
  • A bolt-on aluminum subframe helps reduce weight and simplify maintenance
  • Long travel, 49mm cartridge-style forks feature adjustable compression/rebound damping and adjustable spring preload for all types of on/off-road terrain
  • A fully-adjustable rear shock absorber with high/low speed compression damping adjuster and aluminum swingarm for precise rear wheel control
  • Sure stopping power is supplied by a 250mm front disc brake with dual-piston caliper, and a 220mm rear disc brake with a single-piston caliper
  • Chrome-moly steel footpegs, aluminum rims/hubs, plus engine guard and rear disc guard.

Specs

  • Engine: 398cc, four-stroke, single cylinder, DOHC, 4-valve, liquid cooled
  • Bore Stroke: 90 x 62.6mm
  • Compression Ratio: 11.3:1
  • Fuel System: MikuniT BSR36
  • Lubrication: Dry sump
  • Ignition: Digital/DC-CDI
  • Transmission: 5-speed
  • Final Drive: #520 chain
  • Overall Length: 2310mm (90.9 in.)
  • Overall Width: 875mm (34.4 in.)
  • Overall Height: 1230mm (48.4 in.)
  • Seat Height: 935mm (36.8 in.)
  • Ground Clearance: 300mm (11.8 in.)
  • Wheelbase: 1485mm (58.5 in.)
  • Dry Weight: 132kg (291 lbs.)
  • Suspension Front: Telescopic, oil-damped, adjustable compression and rebound damping
  • Suspension Rear: Link-type, fully-adjustable spring preload, adjustable compression and rebound damping
  • Brakes Front: Single hydraulic disc
  • Brakes Rear: Single hydraulic disc
  • Tires Front: 80/100-21
  • Tires Rear: 120/90-18
  • Fuel Tank Capacity: 10 liter (2.64 gal.)
  • Color: Yellow, Blue


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