Kawasaki KZ400S

Kawasaki KZ400S
Manufacturer	Kawasaki
Production	75-77
Class	Road
Engine	400 cc Four-stroke, 2 Cylinder, Single Over Head Camshaft
Top Speed	93 mph
Spark Plug	NGK B7ES '75-77
Battery	YUASA 12N12A-4A-1 '75-77
Front Tire	3.25-18 '74-77
Rear Tire	3.50-18 '75-77
Weight
Oil Filter	K&N KN-401
Recommended Oil	K-tech 10W-40
Manuals	Service Manual

The Kawasaki KZ400S was a 400cc, twin cylinder, four stroke, street motorcycle manufactured by Kawasaki from 1975 through 1977.

1975 KZ400S

1975 Kawasaki KZ400S

• 5-Speed Return Shift
• Maximum Horsepower:
• 35 HP 638,500 rpm
• Spark Plug: NGK B8ES
  • or ND W24ES
• Tire Size
• Front: 3.25-18 4PR
• Rear: 3.50-18 4PR
• Color
  • Fuel Tank: Candy Super Red, Candy Blue
  • Front Fender: Chrome
• Engine No.: K4SE00001-,(L) K4SE002456-
• Frame No. : K4S-00001-, (L) K4S-50001-
• Parts Catalogue No. : 99997-635 plus 99997-635-50s
• Owner's Manual No.: 99997-856
• Shop Manual No.: 99997-710-00
• Remarks: Similar in appearance to the KZ400D, except this has a drum brake on the front, and no electric starter. From late '75 model, tire tread patterns changed.

1976 KZ400-S2

1976 Kawasaki KZ400-S2

• Color
• Fuel Tank: Diamond Blue, Permanent Red
• Front Fender: Silver
• Engine No,: K4SE010701-
• Frame No.: K4S-04601-
• Parts Catalogue No.: 99997-677
• Owner's Manual No.: 99997-880-00
• Shop Manual No.: 99997-710-00
• Major Changes: Color, marking, front fender, and grips. Tachometer and center stand discontinued. 2-into-1 exhaust, locking tank cap, and three-fuse system adopted. Max. horsepower lowered to 34 HP.

1977 KZ400-S3

1977 Kawasaki KZ400-S3

• Color
• Fuel Tank: Candy Orient Blue, Permanent Red
• Front Fender: Silver
• Engine No.: K4SE027101-
• Frame No.: K4S-18101-
• Parts Catalogue No.: 99997-677-50s
• Owner's Manual No.: 99932-005-00
• Shop Manual No. : 99997-710-00
• Major Changes: Color, marking, carburetors, and ignition timing.