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Kawasaki S1


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Kawasaki S1
1975 Kawasaki S1B in Blue
Manufacturer Kawasaki
Production 73-75
Engine 250cc
Sparkplug B9HS '73 , '74-75
Battery 12N5-5-4A '74-75
12N5.5-4A '73
Front Tire 3.00-18 '73 , '74-75
Rear Tire '73 , '74-75
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The Kawasaki S1 was a 250cc triple cylinder street motorcycle manufactured by Kawasaki from 1971 through 1975. The S1 was the smallest displacement member of the S-series of Kawasakis which were recognizable by the triple cylinder 2-stroke engines which proved successful after the introduction of the Kawasaki H1 "Mach III" in 1970.

Contents

Major competitors

1971 S1

1972 Kawasaki S1

  • 250 cc
  • 2-Stroke, 3 Cylinder
  • Piston Inlet Port
  • 5-Speed Return Shift
  • Maximum Horsepower:
  • 28 HP @ 7,500 rpm
  • Spark Plug: NGK B9HS
  • Tire Size
  • Front: 3.00s-18 4PR
  • Rear: 3.25s-18 4PR
  • Color
  • Fuel Tank: Pearl White, Pearl Candy Red
  • Front Fender: Same as fuel tank
  • Engine No.: S1E00001-
  • Frame No.: S1F-00001-
  • Parts Catalogue No. : 99997-513 plus 99997-536S, (E) 99997-513 plus 99997-535S
  • Owner's Manual No.: 99997-504
  • Shop Manual No.: 99997-705
  • Remarks: Two-stroke, triple-cylinder engine. Separate handlebar holder, steering friction damper, and drum front brake will provide positive identification.


1973 S1A

1973 Kawasaki S1A
1973 Kawasaki S1A 250 in Candy Gold
1973 Kawasaki S1A 250 in Candy Gold
1973 Kawasaki S1A 250 in Candy Gold
1973 Kawasaki S1A 250 in Candy Gold
1973 Kawasaki S1A 250 in Candy Gold
1973 Kawasaki S1A 250 in Candy Gold
1973 Kawasaki S1A 250 in Candy Gold
1973 Kawasaki S1A 250 in Candy Gold
1973 Kawasaki S1A 250 in Candy Gold
1973 Kawasaki S1A 250 in Candy Gold



  • Color
  • Fuel Tank: Candy Orange, Candy Blue, Candy
  • Gold
  • Front Fender: Chrome
  • Engine No. : S1 E05494-
  • Frame No.: S 1 F-0469 1 -
  • Parts Catalogue No. : 99997-602, (E) 99997-607s
  • Owner's Manual No.: 99997-546, (F) 99983004
  • Shop Manual No.: 99997-705
  • Major Changes: Color, marking, seat, and front fender.

1974 S1B

1974 Kawasaki S1B

  • Color
  • Fuel Tank: Candy Green
  • Front Fender: Chrome
  • Engine No.: SlE12001-
  • Frame No.: S1 F-12001-
  • Parts Catalogue No. : 99997-623S, (E) 99997-602-01S
  • Owner's Manual No. : 99997-812, (E) 99983-019, (F) 99983-031, (I) 99983-032, (W) 99983-033
  • ShopManualMo.: 99997-705
  • Major Changes: Color, marking, and seat. Brake lining wear indicator added. Steering friction damper discontinued.


1975 S1C

1975 Kawasaki S1C
1975 Kawasaki S1B in Blue
1975 Kawasaki S1B in Blue
1975 Kawasaki S1B in Blue
1975 Kawasaki S1B in Blue
1975 Kawasaki S1B in Blue


  • Color
  • Fuel Tank: Halibut Blue
  • Front Fender: Chrome
  • Engine No.: S1E17100-
  • Frame No.: S1F-16300-
  • Parts Catalogue No.: 99997-602-50S, (E) 99997-602-515
  • Owner's Manual No.: 99997-846
  • Shop Manual No.: 99997-705
  • Major Changes: Color and marking. From late '75 model, tires changed to 3.25S-18 4PR front, and 3.50S-18 4PR rear.




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