Engine and Transmission
2009 Suzuki DR-Z400SM
Engine: 4-stroke, liquid-cooled, DOHC
Bore Stroke: 90.0 mm (3.543 in) x 62.6 mm (2.465 in)
Compression Ratio: 11.3 : 1
Fuel System: MIKUNI BSR36, single
Lubrication: Dry sump
Ignition: Electronic ignition (CDI)
Transmission: 5-speed constant mesh
Final Drive: RK520KZO, 110 links
Chassis and Dimensions
Suspension Front: Inverted telescopic, coil spring, oil damped
Suspension Rear: Link type, coil spring, oil damped
Brakes Front: Disc brake
Brakes Rear: Disc brake
Tires Front: 120/70R17M/C 58H, tube type
Tires Rear: 140/70R17M/C 66H, tube type
Overall Length: 2225 mm (87.6 in)
Overall Width: 855 mm (33.7 in)
Overall Height: 1200 mm (47.2 in)
Seat Height: 890 mm (35.0 in)
Ground Clearance: 260 mm (10.2 in)
Wheelbase: 1460 mm (57.5 in)
Curb Weight: 146 kg (321 lbs)
Fuel Tank Capacity: 10.0 L (2.6/2.2 US/Imp gal) - Including Reserve (CA: 9.5 L (2.5/2.1 US/Imp gal) -Including Reserve)
Key
Suzuki’s Supermotard model based on DR-Z400S – combines Supermotard style and features in a narrow, lightweight street-legal package
Engine
Lightweight 398cc, DOHC, liquid-cooled, dry-sump engine produces strong, tractable low-rpm power
Compact 4-valve cylinder head with 36mm intakes valves, 29mm exhaust valves, narrow 28 degree included valve angle and shim-under-bucket valve adjustment system
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
Smooth throttle response with a MikuniT BSR36 CV-type carburetor fed by a 6-liter airbox. The left side cover has quick-release fasteners for easy access to the air filter
Electric start with lightweight starter motor and a compact 6.5 amp maintenance-free battery
Automatic decompression system for quick/easy starts
Thermostatically-controlled cooling fan mounted to the left radiator helps maintain consistent operating temperature in traffic
Chassis
Renthal tapered aluminum handlebar for reduced vibration and an aggressive look
Compact digital instrument cluster with speedometer, odometer, twin-trip meters with addition/subtraction capability, clock, timer and stopwatch functions
Long-travel, Showa-brand inverted front fork derived from RM250 – features adjustable compression/rebound damping and alumite coating on inner tube surfaces for smooth action
A fully-adjustable rear shock absorber with high/low speed compression damping adjuster and aluminum swingarm for precise rear wheel control
Strong braking performance supplied by a front disc brake with a large 300mm floating-type rotor and dual-piston caliper, plus 240mm rear disc brake with single-piston caliper
Black-painted RK Excel 17” aluminum rims and radial tires: 120/70-R17 front, 140/70-R17 rear
New front and rear axle sliders
On-road legal lighting with bright 60/55 watt halogen headlight, compact tail/stoplight, lightweight, rubber-mounted turn signals and horn
Narrow profile with smooth transitions between the tank, seat and bodywork
Chrome-moly steel frame tuned for Supermoto style riding is torsionally strong with minimal weight. The backbone tube, front down tube, and steering head gussets from the dry-sump engine oil tank
A bolt-on aluminum subframe helps reduce weight and simplify maintenance
Chrome-moly steel footpegs, aluminum rims/hubs, plus engine guard and rear disc guard
Picture Gallery
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