Kawasaki KFX 400

by Nick Harris on Sep 2

The Kawasaki KFX400 ATV, manufactured by Kawasaki Industries inc and powered by its 398cc liquid cooled 4 stroke engine, is known as one of the most well rounded ATVs in existence. Although no longer in production the KFX400 may well be best remembered for its balanced power and handling characteristics.

The KFX400 may have recently become viewed as being best suited for trails but hardcore racers often look at only the basics because they know they’ll be replacing everything else with high performance parts. If racing is your intention there are plenty of aftermarket KFX400 parts available and the KFX400 itself has some great basics. The dry sump lubrication system for example allows the engine to sit lower in the chassis which lowers the center of gravity and improves handling.

Image of the KFX400 Kawasaki ATV

kawasaki kfx400

Kawasaki KFX400 stock specifications

  • Engine: Liquid-cooled, four-stroke, single cylinder with DOHC and four-valves
  • Displacement: 398cc
  • Carb: Mikuni BSR37
  • Starting System: Electric 
  • Transmission: Five-speed-plus-reverse manual, multi-plate wet clutch
  • Drive Train:  #520 O-ring 
  • Lubrication: Oil injection 
  • Chassis Dimensions: Overall Length:  72.0 in, Overall Width:  45.9 in.
  • Suspension/Front:  Dual A-arms with coil-over-shock, adjustable preload/8.3 in.
  • Suspension/Rear: Swing-arm with preload-adjustable shock/9.1 in.
  • Brakes/Front: Dual hydraulic disc
  • Brakes/ Rear: Hydraulic disc
  • Tires: Front: 22 x 7-10 radial
  • Rear: 20 x 10-9 radial
  • Frame: High-tensile tubular steel alloy
  • Foot Pegs: Serrated steel
  • Wheelbase: 49.0 in.
  • Ground Clearance: 10.4 in.
  • Fuel Capacity: 2.6 gal. 
  • Dry Weight: 373 lbs.
  • Lighting: Dual 30W halogen
  • Colors: Blazing Orange, Kawasaki Lime Green


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HONDA TRX 400 EX HOUSER STEERING STEM 99-09 TRX 450R YFZ KFX 450R RZR HONDA TRX 400 EX HOUSER STEERING STEM 99-09 TRX 450R YFZ KFX 450R RZR $175.00
KAWASAKI KFX 400 KFX400  HEAVY DUTY RACE CLUTCH KIT  ALBA    2005-06  206-99-137 KAWASAKI KFX 400 KFX400 HEAVY DUTY RACE CLUTCH KIT ALBA 2005-06 206-99-137 $59.00
2003 Suzuki LT-Z LTZ 400 KFX  DVX  Oil Tank 2003 Suzuki LT-Z LTZ 400 KFX DVX Oil Tank $25.00
LTZ400 Z400 KFX400 KFX 400 All Plastics Fenders Front Rear  E LTZ400 Z400 KFX400 KFX 400 All Plastics Fenders Front Rear E $199.99
New Oem 15 Fender Clip Clip KAWASAKI FENDER CLIPS PRAIRIE KFX700 KFX400 New Oem 15 Fender Clip Clip KAWASAKI FENDER CLIPS PRAIRIE KFX700 KFX400 $0.01
03-08 Suzuki LTZ400 LTZ KFX Z400 HOTCAMS VALVE SHIM KIT 03-08 Suzuki LTZ400 LTZ KFX Z400 HOTCAMS VALVE SHIM KIT $74.99
cam chain guides 03-04 suzuki LTZ 400,LTZ400,Z400,kfx 400 kawasaki quad cam chain guides 03-04 suzuki LTZ 400,LTZ400,Z400,kfx 400 kawasaki quad $0.99
LTZ400 Z400 KFX400 KFX 400 Rear Wheels Rims Tires  E LTZ400 Z400 KFX400 KFX 400 Rear Wheels Rims Tires E $99.99
clutch parts lot 03-04 suzuki LTZ 400,LTZ400,Z400,kfx 400 kawasaki quad clutch parts lot 03-04 suzuki LTZ 400,LTZ400,Z400,kfx 400 kawasaki quad $0.99
Kawasaki KFX400 HD Clutch Kit w/ Springs 03-04 Kawasaki KFX400 HD Clutch Kit w/ Springs 03-04 $45.90
starter reduction gear & cover 03-04 suzuki LTZ 400,LTZ400,Z400,kfx 400 kawasaki starter reduction gear & cover 03-04 suzuki LTZ 400,LTZ400,Z400,kfx 400 kawasaki $0.99
tranny parts,shafts & gears lot 03-04 suzuki LTZ 400,Z400,kfx 400 kawasaki tranny parts,shafts & gears lot 03-04 suzuki LTZ 400,Z400,kfx 400 kawasaki $16.00
NEW Kawasaki KFX400 shorty clutch lever and perch assembly NEW Kawasaki KFX400 shorty clutch lever and perch assembly $13.95

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Read more on KFX 700 Review and Kawasaki KFX 700 and KFX450R KFX 450r Review and Yamaha YFZ450 YFZ 450 and Z400 – Suzuki QuadSport and Suzuki Z400 and TRX400EX and Yamaha Blaster ATV and Polaris Predator 500 Review .


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