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2025 Suzuki KingQuad 400ASi SE In 1982, Suzuki introduced the world's first 4-wheel ATV. Today, Suzuki ATVs are everywhere. From the most remote areas to the most challenging tasks, you will find the KingQuad powering a rider onward. Across the board, our KingQuad lineup is an exceptional group of ATVs. Whether you are working hard or getting away from it all, the 2025 Suzuki KingQuad 400ASi SE helps you every step of the way. The fully automatic QuadmaticTM transmission has 2WD and 4WD modes to handle rough trail conditions while completing even the most demanding chores. Along with exceptional engine performance across the powerband, its high-performance iridium spark plug, and Pulsed-secondary AIR-injection (PAIR) system help provide outstanding fuel efficiency and impressive performance. Features may include: Engine The KingQuad 400Asi SE’s fuel-injected, 376cc, four-stroke, four-valve engine produces efficient power and drivability. Transmission The QuadmaticTM transmission is a fully automatic, CVT (continuously variable transmission) with selectable high/low sub-transmission and reverse helping provide maximum traction and fuel efficiency. Chassis Independent front A-arm suspension offers smooth performance and remarkable ground clearance with 6.7 inches (170.1 mm) of wheel travel. Electrical LCD instrumentation includes a speedometer, odometer, trip meter, hour meter, clock, fuel gauge, and indicators for reverse, neutral, oil, and FI (fuel injection). Body & Styling The unique Armored Blue Gray bodywork features sharply angled, high-clearance fenders while the full steel cargo racks help tackle any ranch or outdoors task. Additional Suzuki’s 24-month limited warranty is much longer than most ATV warranties. Longer coverage and other benefits are available through Suzuki Extended Protection (SEP).

Specifications

ENGINE

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- Engine Type:
  
  Single-Cylinder
- Cylinders:
  
  1
- Engine Stroke:
  
  4-Stroke
- Cooling:
  
  Air / Oil
- Valves:
  
  4
- Valves Per Cylinder:
  
  4
- Valve Configuration:
  
  SOHC
- Bore (in):
  
  3.23
- Stroke (in):
  
  2.81
- Displacement (cc):
  
  376
- Fuel Type:
  
  Gas
- Fuel Injector:
  
  Yes
- Carburetion Type:
  
  Fuel Injected
- Kill Switch / Tether Cord:
  
  Not Available
- Engine Block Heater:
  
  Not Available
- Starter:
  
  Electric
- Compression ratio:
  
  9:1
TRANSMISSION

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- Transmission Type:
  
  Continuously Variable (CVT)
- Hi / Low Range:
  
  Yes
- Primary Drive (Rear Wheel):
  
  Shaft
- Reverse:
  
  Yes
- Primary Drive (Engine / Transmission):
  
  Belt
- Transmission Brand:
  
  Quadmatic™
- Primary Drive (Front Wheel):
  
  Shaft
DRIVE LINE

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- Driveline Type:
  
  Selectable 4X2 / 4X4
- Number Of Driveline Modes:
  
  2
- Rear Unlocking Differential:
  
  No
- Rear Solid Axle:
  
  Yes
- Limited Slip Differential:
  
  Standard
- Differential Lock:
  
  Not Available
- Limited Slip Differential Location:
  
  Front
TECHNICAL SPECIFICATIONS

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- Width (in):
  
  45.1
- Height (in):
  
  48
- Wheelbase (in):
  
  50
- Ground Clearance (in):
  
  9.8
- Fuel Capacity (gal):
  
  4.2
- Wet Weight (lbs):
  
  628
SUSPENSION

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- Front Suspension Type:
  
  Independent Double A-Arm
- Front Travel (in):
  
  6.7
- Front Adjustable Fork Pre-Load:
  
  No
- Front Adjustable Rebound Damping:
  
  No
- Front Central Suspension Strut:
  
  No
- Rear Suspension Type:
  
  Swing Arm
- Rear Travel (in):
  
  6.7
- Rear Adjustable Shock / Spring Pre-Load:
  
  No
- Rear Adjustable Rebound Damping:
  
  No
- Number Rear Shock Absorbers:
  
  2
- Front Stabilizer Bar:
  
  No
- Rear Stabilizer Bar:
  
  No
- Steering Damper:
  
  No
- Air Adjustable:
  
  No
WHEELS & TIRES

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- Wheels Composition:
  
  Aluminum
- Front Tire (Full Spec):
  
  Carlisle AT 25 X 8-12
- Rear Tire (Full Spec):
  
  Carlisle AT 25 X 10-12
- Spare Tire:
  
  Not Available
- Tube / Tubeless:
  
  Tubeless
- Chromed:
  
  No
- Tire Chains:
  
  Not Available
BRAKES

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- Front Brake Type:
  
  Dual Hydraulic Disc
- Front Brake Diameter (in):
  
  7.5
- Rear Brake Type:
  
  Drum
- Anti-Lock Brakes:
  
  Not Available
- Linked Brake System Front to Rear:
  
  Not Available
- Engine Braking Brand Name:
  
  Engine Braking System
TOWING & HAULING

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- Front Hitch:
  
  Not Available
- Trailer:
  
  Not Available
- Winch:
  
  Optional
- Roller Fairlead:
  
  Optional
SEATS

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- Seat Type:
  
  One-Piece
- Seat Location:
  
  Driver
- Seat Material:
  
  Vinyl
- Seat Height (in):
  
  33.1
- Number Of Seats:
  
  1
- Detachable Passenger Seat:
  
  Not Available
- Grab Rail or Strap:
  
  Not Available