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Honda ST90

The Honda ST90 was a small trail bike made by Honda starting in 1973.

1973-Honda-ST90-Orange-1.jpg
Honda ST90
Manufacturer
Production 73-75
Class Trail
Engine
90cc
Spark Plug NGK D6HA 73-75
Battery YUASA 6N5.5-ID 73-75
Final Drive Chain: 428x94
Front Sprocket 15T
Rear Sprocket 40T
Front Tire 3.00-14 73-75
Rear Tire 3.00-14 73-75
Weight
Related Honda CT70
Manuals Service Manual

This was the only Honda trail bike to have the designation ST. Other ST models by Honda are "sport touring" motorcycles. It was comparable to say the Honda CT90.

Contents

1973Edit

 
1973 Honda ST90 in Orange
 
1973 Honda ST90 in Orange
 
1973 Honda ST90 in Green
 
1973 Honda ST90 in Green


  • 1973 Trailsport 90 (ST90K0)
  • Colors:
    • Tahitian Red
    • Mighty Green
  • The "HONDA" was yellow-orange with a black outline
  • There was a cylindrical tool box behind the seat
  • The headlight nacelle (shell) was black and the shock springs were chrome
  • The engine was a 89cc single cylinder with a 3-speed transmission and an automatic clutch
  • The serial number began ST90-1000002.

1974Edit

 
1974 Honda ST90 in Yellow
 
1974 Honda ST90 in Yellow
 
1974 Honda ST90 in Yellow


  • 1974 Trailsport 90 (ST90K1)
  • It came in only one color: Bright Yellow
  • The "HONDA" decal was yellow with a black outline
  • The stripe was black and orange
  • There was a cylindrical tool box behind the seat
  • The headlight nacelle (shell) was black and the shock springs were chrome
  • The engine was a 89cc single cylinder with a 3-speed transmission and an automatic clutch
  • The serial number began ST90-1100001.

1975Edit

  • 1975 Trailsport 90 (ST90K2)
  • Colors: Candy Topaz Orange
  • The "HONDA" decal was yellow with a black background
  • There was a cylindrical tool box behind the seat.
  • The headlight nacelle (shell) was now orange instead of black and the shock springs were black instead of chrome
  • The engine was a 89cc single cylinder with a 3-speed transmission and an automatic clutch
  • The serial number began ST90-1200004.


ReferencesEdit