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2021 Suzuki DR-Z400SM
2021 Suzuki DR-Z400SM

Specs

General Information

Manufacturer
Suzuki
Suzuki
Model Year
2021
2021
Model
DR-Z400SM
DR-Z400SM
Model Code
DR-Z400SMM1
DR-Z400SMM1
Color
Solid Black
Solid Black

Brakes/Wheels/Tires

Brakes

Front - Disc, single floating rotor

Disc, single rotor

Front - Disc, single floating rotor

Disc, single rotor

Tires

Front - 120 / 70 R17 M / C 58H, tube type

Rear - 140 / 70 R17 M / C 66H, tube type

Front - 120 / 70 R17 M / C 58H, tube type

Rear - 140 / 70 R17 M / C 66H, tube type

Dimensions

Length
Overall - 87.6 in. (2,225 mm)
Overall - 87.6 in. (2,225 mm)
Height
Overall - 47.2 in. (1,200 mm)
Overall - 47.2 in. (1,200 mm)
Width
Overall - 33.7 in. (855 mm)
Overall - 33.7 in. (855 mm)
Weight
Curb - 322 lb. (146 kg)
Curb - 322 lb. (146 kg)
Ground Clearance
10.2 in. (260 mm)
10.2 in. (260 mm)
Wheelbase
57.5 in. (1,460 mm)
57.5 in. (1,460 mm)
Seat Height
35 in. (890 mm)
35 in. (890 mm)

Drivetrain

Transmission
5-speed constant mesh
5-speed constant mesh
Final Drive
Chain, RK520KZ0, 110 links
Chain, RK520KZ0, 110 links

Electrical

Lighting

Headlight - 12V 60 / 55W (H4)

Tail light - 12V 21 / 5W

Headlight - 12V 60 / 55W (H4)

Tail light - 12V 21 / 5W

Engine

Engine
4-stroke, DOHC
4-stroke, DOHC
Cooling
Liquid
Liquid
Cylinders
Single
Single
Displacement
398 cc
398 cc
Bore x Stroke
3.54 x 2.44 in. (90 x 62.6 mm)
3.54 x 2.44 in. (90 x 62.6 mm)
Compression Ratio
11.3:1
11.3:1
Clutch
Wet multi-plate
Wet multi-plate
Fuel System
Mikuni BSR36
Mikuni BSR36
Carburetion
Single
Single
Ignition

Electronic (CDI)

Spark Plug - NGK CR8E or DENSO U24ESR-N

Electronic (CDI)

Spark Plug - NGK CR8E or DENSO U24ESR-N

Starting
Electric
Electric
Lubrication
Semi-dry sump
Semi-dry sump
Fuel Capacity
2.5 US gal. (9.5 l)
2.5 US gal. (9.5 l)

Operational

Front Suspension
Inverted telescopic, coil spring, oil damped, adjustable damping force
Inverted telescopic, coil spring, oil damped, adjustable damping force
Rear Suspension
Link type, coil spring, oil damped, adjustable spring preload and damping force
Link type, coil spring, oil damped, adjustable spring preload and damping force

Other

Additional Colors

Solid Black

Solid Special White No. 2

Solid Black

Solid Special White No. 2

Warranty
12-month unlimited mileage limited
12-month unlimited mileage limited

Features

Chassis Features

  • Wide, blue or black anodized RK Excel aluminum rims with stainless steel spokes are fitted with sporty radial tires: 120/70-R17 front and 140/70-R17 rear.
  • Strong braking performance is supplied by a front disc brake with a large 300mm floating-type rotor and dual-piston caliper, plus a 240mm rear disc brake with single-piston caliper.
  • Long travel, Showa inverted front fork is derived from a RM250 and features adjustable compression/rebound damping and a special coating on inner tube surfaces for smooth action.
  • A fully adjustable rear shock absorber with high/low speed compression damping adjuster and a tapered RM-inspired aluminum swingarm combine for precise rear wheel control.
  • Renthal tapered aluminum handlebar has an aggressive look, reduces vibration, and has a great bend for spirited riding.
  • Chrome-moly steel frame tuned for Supermotard style riding 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 sub-frame helps reduce weight, simplify maintenance, and contribute to the trim rear fender appearance.
  • Front and rear axle sliders, and special designed mirrors that rotate, help protect against damage in the case of a tip-over.
  • Derived from the off-road DR-Z400, the black or white bodywork features new, angular graphics for race-ready appearance.
  • A pouch on the rear fender carries the tool kit, owner’s manual or other cargo.

Electrical Features

  • Compact, digital instrument cluster includes speedometer, odometer, twin-trip meters with addition/subtraction capability, clock, and stopwatch functions.
  • On-road legal lighting includes bright 60/55-watt halogen headlight, compact tail/stoplight, lightweight, rubber-mounted turn signals, and horn.
  • Electrical systems, including the easy-push button starter, are powered by a compact, 6.5-amp, maintenance-free battery.

Engine Features

  • Lightweight, 398cc, DOHC, liquid-cooled, dry-sump engine produces strong, tractable power.
  • Compact, four-valve cylinder head has 36mm intake valves, 29mm exhaust valves, narrow 28-degree included valve angle, and shim-under-bucket valve adjustment system.
  • Simple electric starting is powered via a lightweight starter motor with an automatic mechanical decompression system.
  • SCEM-plated cylinder (nickel-silicon-phosphorus) is lighter and more durable than an iron liner and has excellent heat transfer properties.
  • Forged aluminum piston is 10 percent lighter than a cast piston and receives additional oil-cooling through a crankcase oil jet.
  • Fed by a six-liter air box, the Mikuni™ 36mm carburetor incorporates a deceleration enricher circuit to help provide smooth throttle response when accelerating or engine braking.
  • The left side body cover has quick-release fasteners for easy access to the air filter.
  • The use of a PAIR (air supply) system to the exhaust helps the motorcycle achieve emissions compliance without affecting performance.
  • Thermostatically-controlled cooling fan mounted to the left radiator helps maintain consistent operating temperature in traffic.
  • Magnesium-alloy clutch, magneto, and cylinder head covers contribute to the bike’s low weight.

Key Features

  • Suzuki's Supermotard model, based on the proven DR-Z400S, combines Supermotard style and features in a narrow, lightweight, street-legal package.
  • Versatile and strong, 398cc, DOHC, liquid-cooled, dry-sump engine has push-button starting.
  • SuperMoto boasts fully adjustable MX-style suspension plus high-grip sportbike tires on strong spoke wheels featuring anodized, aluminum Excel rims.
  • Solid Black or Solid Special White No. 2 bodywork with new, angular graphics complement the motorcycle’s styling.

Other Features

  • 12-month limited warranty. Longer coverage periods with other benefits are available through Suzuki Extended Protection (SEP).
  • A variety of Genuine Suzuki Accessories for DR-Z400SM owners are available, including a low-profile seat, cargo rack, handguard set, and a large selection of Suzuki logo apparel.

Transmission Features

  • Compact, five-speed transmission utilizes a cable-operated clutch with a separate magnesium outer cover for simplified clutch maintenance.
  • Low-maintenance, long-life, sealed O-ring type drive chain produces minimal sounds when riding.

Chassis Features

  • Wide, blue or black anodized RK Excel aluminum rims with stainless steel spokes are fitted with sporty radial tires: 120/70-R17 front and 140/70-R17 rear.
  • Strong braking performance is supplied by a front disc brake with a large 300mm floating-type rotor and dual-piston caliper, plus a 240mm rear disc brake with single-piston caliper.
  • Long travel, Showa inverted front fork is derived from a RM250 and features adjustable compression/rebound damping and a special coating on inner tube surfaces for smooth action.
  • A fully adjustable rear shock absorber with high/low speed compression damping adjuster and a tapered RM-inspired aluminum swingarm combine for precise rear wheel control.
  • Renthal tapered aluminum handlebar has an aggressive look, reduces vibration, and has a great bend for spirited riding.
  • Chrome-moly steel frame tuned for Supermotard style riding 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 sub-frame helps reduce weight, simplify maintenance, and contribute to the trim rear fender appearance.
  • Front and rear axle sliders, and special designed mirrors that rotate, help protect against damage in the case of a tip-over.
  • Derived from the off-road DR-Z400, the black or white bodywork features new, angular graphics for race-ready appearance.
  • A pouch on the rear fender carries the tool kit, owner’s manual or other cargo.

Electrical Features

  • Compact, digital instrument cluster includes speedometer, odometer, twin-trip meters with addition/subtraction capability, clock, and stopwatch functions.
  • On-road legal lighting includes bright 60/55-watt halogen headlight, compact tail/stoplight, lightweight, rubber-mounted turn signals, and horn.
  • Electrical systems, including the easy-push button starter, are powered by a compact, 6.5-amp, maintenance-free battery.

Engine Features

  • Lightweight, 398cc, DOHC, liquid-cooled, dry-sump engine produces strong, tractable power.
  • Compact, four-valve cylinder head has 36mm intake valves, 29mm exhaust valves, narrow 28-degree included valve angle, and shim-under-bucket valve adjustment system.
  • Simple electric starting is powered via a lightweight starter motor with an automatic mechanical decompression system.
  • SCEM-plated cylinder (nickel-silicon-phosphorus) is lighter and more durable than an iron liner and has excellent heat transfer properties.
  • Forged aluminum piston is 10 percent lighter than a cast piston and receives additional oil-cooling through a crankcase oil jet.
  • Fed by a six-liter air box, the Mikuni™ 36mm carburetor incorporates a deceleration enricher circuit to help provide smooth throttle response when accelerating or engine braking.
  • The left side body cover has quick-release fasteners for easy access to the air filter.
  • The use of a PAIR (air supply) system to the exhaust helps the motorcycle achieve emissions compliance without affecting performance.
  • Thermostatically-controlled cooling fan mounted to the left radiator helps maintain consistent operating temperature in traffic.
  • Magnesium-alloy clutch, magneto, and cylinder head covers contribute to the bike’s low weight.

Key Features

  • Suzuki's Supermotard model, based on the proven DR-Z400S, combines Supermotard style and features in a narrow, lightweight, street-legal package.
  • Versatile and strong, 398cc, DOHC, liquid-cooled, dry-sump engine has push-button starting.
  • SuperMoto boasts fully adjustable MX-style suspension plus high-grip sportbike tires on strong spoke wheels featuring anodized, aluminum Excel rims.
  • Solid Black or Solid Special White No. 2 bodywork with new, angular graphics complement the motorcycle’s styling.

Other Features

  • 12-month limited warranty. Longer coverage periods with other benefits are available through Suzuki Extended Protection (SEP).
  • A variety of Genuine Suzuki Accessories for DR-Z400SM owners are available, including a low-profile seat, cargo rack, handguard set, and a large selection of Suzuki logo apparel.

Transmission Features

  • Compact, five-speed transmission utilizes a cable-operated clutch with a separate magnesium outer cover for simplified clutch maintenance.
  • Low-maintenance, long-life, sealed O-ring type drive chain produces minimal sounds when riding.