HONDA Motorcycle
Trailsport ST90
1973 Trailsport 90 (ST90K0)

1973 Honda ST90K0
- Colors:
- 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.
1974 Trailsport 90 (ST90K1)

1974 Honda 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.
1975 Trailsport 90 (ST90K2)

1975 Honda 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.
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