1966-68 Trail 90 CT90K0

  • ENGINE
    • The engine was improved to a 89cc OHC single cylinder
    • Spark plug: D8HA
    • Plug gap: .028
  • DRIVETRAIN
    • Clutch: automatic
    • The early 4-speed model had a dual overlay rear sprocket setup
    • The later models had a single sprocket but an 8-speed dual range transmission
    • Chain: #428 x 104
    • Front sprocket: 15 T
    • Rear sprocket: 45 T
  • CHASSIS / SUSPENSION / BRAKES
    • The front suspension used a bottom link rather than telescopic fork tubes
  • DIMENSION
    • N/A
  • OTHER
    • Colors:
      • Scarlet Red
      • Yellow
    • The exhaust was up-swept.
    • The exhaust system and heat shield were chrome.
    • The seat was a solo seat with chrome trim.
    • The chrome luggage rack behind the seat was standard equipment.
    • The fuel tank decal reads "HONDA 90"
    • The serial number began CT90-100001
Honda Trail 90 CT90K0
Honda Trail 90 CT90K0

1969 Trail 90 CT90K1

  • ENGINE
    • The engine was a 89cc OHC single cylinder with an automatic clutch.
    • Spark plug: D8HA
    • Plug gap: .028
  • DRIVETRAIN
    • The transmission was an 8-speed dual range.
    • Chain: #428 x 104
    • Front sprocket: 15 T
    • Rear sprocket: 45 T
  • CHASSIS / SUSPENSION / BRAKES
    • The front suspension used telescopic fork tubes.
  • DIMENSION
    • N/A
  • OTHER
    • Colors:
      • Scarlet Red
      • Yellow
    • They were accented with a gray plastic shroud.
    • The exhaust system and heat shield were chrome.
    • The seat was a solo seat with chrome trim.
    • The chrome luggage rack behind the seat was standard equipment.
    • The fuel tank had no decal, but the down tube reads "HONDA".
    • The serial number began CT90-200001.
Honda Trail 90 CT90K1
Honda Trail 90 CT90K1

1970 Trail 90 CT90K2

  • ENGINE
    • The engine was a 89cc OHC single cylinder with an automatic clutch
    • Spark plug: D8HA
    • Plug gap: .028
  • DRIVETRAIN
    • The transmission was an 8-speed dual range
    • Chain: #428 x 104
    • Front sprocket: 15 T
    • Rear sprocket: 45 T
  • CHASSIS / SUSPENSION / BRAKES
    • The front suspension used telescopic fork tubes
  • DIMENSION
    • N/A
  • OTHER
    • Colors:
      • Scarlet Red
      • Bright Yellow
    • They were accented with a dark gray metallic plastic shroud.
    • The side covers were also gray.
    • The handlebars had a swivel lock
    • The exhaust system and heat shield were chrome
    • The seat was a solo seat with chrome trim
    • The chrome luggage rack behind the seat was standard equipment
    • The fuel tank had no decal, but the down tube reads "HONDA"
    • The serial number began CT90-300001.
Honda Trail 90 CT90K2
Honda Trail 90 CT90K2

1971 Trail 90 CT90K3

  • ENGINE
    • The engine was a 89cc OHC single cylinder with an automatic clutch
    • Spark plug: D8HA
    • Plug gap: .028
  • DRIVETRAIN
    • The transmission was an 8-speed dual range
    • Chain: #428 x 104
    • Front sprocket: 15 T
    • Rear sprocket: 45 T
  • CHASSIS / SUSPENSION / BRAKES
    • The front suspension used telescopic fork tubes
  • DIMENSION
    • N/A
  • OTHER
    • Colors:
      • Scarlet Red
      • Summer Yellow
    • They were accented with a dark gray metallic plastic shroud
    • The side covers were also gray
    • The frame shroud had a vertical black stripe
    • The handlebars had a swivel lock.
    • The exhaust system was black and the heat shield were chrome
    • The seat was a solo seat with chrome trim
    • The chrome luggage rack behind the seat was standard equipment
    • The fuel tank had no decal, but the down tube reads "HONDA"
    • The serial number began CT90-400001.
Honda Trail 90 CT90K3
Honda Trail 90 CT90K3

1972-73 Trail 90 CT90K4

  • ENGINE
    • The engine was a 89cc OHC single cylinder with an automatic clutch
    • Spark plug: D8HA
    • Plug gap: .028
  • DRIVETRAIN
    • The transmission was an 8-speed dual range
    • Chain: #428 x 104
    • Front sprocket: 15 T
    • Rear sprocket: 45 T
  • CHASSIS / SUSPENSION / BRAKES
    • The front suspension used telescopic fork tubes
  • DIMENSION
    • N/A
  • OTHER
    • One color was available: Mars Orange
    • It was accented with a dark gray metallic plastic shroud
    • The side covers were also gray
    • The frame shroud lost its vertical black stripe
    • The handlebars had a swivel lock
    • The exhaust system was black and the heat shield were chrome
    • The seat was a solo seat with chrome rivets
    • The chrome luggage rack behind the seat was standard equipment
    • The fuel tank had no decal, but the down tube reads "HONDA"
    • An auxiliary fuel tank was mounted on the left side of the rack
    • The serial number began CT90-1400001.
Honda Trail 90 CT90K4
Honda Trail 90 CT90K4

1974 Trail 90 CT90K5

  • ENGINE
    • The engine was a 89cc OHC single cylinder with an automatic clutch
    • Spark plug: D8HA
    • Plug gap: .028
  • DRIVETRAIN
    • The transmission was an 8-speed dual range
    • Chain: #428 x 104
    • Front sprocket: 15 T
    • Rear sprocket: 45 T
  • CHASSIS / SUSPENSION / BRAKES
    • The front suspension used telescopic fork tubes
  • DIMENSION
    • N/A
  • OTHER
    • One color was available: Mars Orange
    • It was accented with a dark gray metallic plastic shroud
    • The side covers were also gray
    • The handlebars had a swivel lock. The exhaust system was black and the heat shield were chrome
    • The seat was a solo seat with chrome rivets
    • The chrome luggage rack behind the seat was standard equipment
    • The turn signal housings were chrome
    • The fuel tank had no decal, but the down tube reads "HONDA"
    • An auxiliary fuel tank was mounted on the left side of the rack
    • The serial number began CT90-1500003.
Honda Trail 90 CT90K5
Honda Trail 90 CT90K5

1975 Trail 90 CT90K6

  • ENGINE
    • The engine was a 89cc OHC single cylinder with an automatic clutch
    • Spark plug: D8HA
    • Plug gap: .028
  • DRIVETRAIN
    • The transmission was an 8-speed dual range
    • Chain: #428 x 104
    • Front sprocket: 15 T
    • Rear sprocket: 45 T
  • CHASSIS / SUSPENSION / BRAKES
    • The front suspension used telescopic fork tubes
  • DIMENSION
    • N/A
  • OTHER
    • One color was available: Tahitian Red
    • The frame shroud and side covers were the same as the body color
    • The "HONDA" decal on the shroud was black
    • The handlebars had a swivel lock
    • The exhaust system was black and the heat shield were chrome
    • The seat was a solo seat with chrome rivets
    • The chrome luggage rack behind the seat was standard equipment
    • The turn signal housings were chrome
    • An auxiliary fuel tank was mounted on the left side of the rack
    • The serial number began CT90-1600003.
Honda Trail 90 CT90K6
Honda Trail 90 CT90K6

1976 Trail 90 CT90'76

  • ENGINE
    • The engine was a 89cc OHC single cylinder with an automatic clutch
    • Spark plug: D8HA
    • Plug gap: .028
  • DRIVETRAIN
    • The transmission was an 8-speed dual range
    • Chain: #428 x 104
    • Front sprocket: 15 T
    • Rear sprocket: 45 T
  • CHASSIS / SUSPENSION / BRAKES
    • The front suspension used telescopic fork tubes
  • DIMENSION
    • N/A
  • OTHER
    • One color was available: Shiny Orange
    • The frame shroud and side covers were the same as the body color
    • The "HONDA" decal on the shroud was yellow
    • The handlebars had a swivel lock
    • The exhaust system was black and the heat shield were chrome
    • The seat was a solo seat with chrome rivets
    • The chrome luggage rack behind the seat was standard equipment
    • The turn signal housings were chrome
    • An auxiliary fuel tank was mounted on the left side of the rack
    • The rear shock springs were chrome and they also had external springs
    • The serial number began CT90-1700004.
Honda Trail 90 CT90
Honda Trail 90 CT90'76

1977 Trail 90 CT90'77

  • ENGINE
    • The engine was a 89cc OHC single cylinder with an automatic clutch
    • Spark plug: D8HA
    • Plug gap: .028
  • DRIVETRAIN
    • The transmission was an 8-speed dual range
    • Chain: #428 x 104
    • Front sprocket: 15 T
    • Rear sprocket: 45 T
  • CHASSIS / SUSPENSION / BRAKES
    • The front suspension used telescopic fork tubes
  • DIMENSION
    • N/A
  • OTHER
    • One color was available: Shiny Orange
    • The frame shroud and side covers were the same as the body color
    • The "HONDA" decal on the shroud was black
    • The handlebars had a swivel lock
    • The exhaust system was black and the heat shield were chrome
    • The seat was a solo seat with chrome rivets
    • The chrome luggage rack behind the seat was standard equipment
    • The turn signal housings were chrome
    • An auxiliary fuel tank was mounted on the left side of the rack
    • The rear shock now had external springs and they were chrome
    • The serial number began CT90-1800008.
Honda Trail 90 CT90
Honda Trail 90 CT90'77

1978 Trail 90 CT90'78

  • ENGINE
    • The engine was a 89cc OHC single cylinder with an automatic clutch
    • Spark plug: D8HA
    • Plug gap: .028
  • DRIVETRAIN
    • The transmission was an 8-speed dual range
    • Chain: #428 x 104
    • Front sprocket: 15 T
    • Rear sprocket: 45 T
  • CHASSIS / SUSPENSION / BRAKES
    • The front suspension used telescopic fork tubes
  • DIMENSION
    • N/A
  • OTHER
    • One color was available: Bright Yellow
    • The frame shroud and side covers were the same as the body color
    • The "HONDA" decal on the shroud was white
    • The handlebars had a swivel lock and were now black
    • Also the wheel hubs were black
    • The exhaust system was black and the heat shield were chrome
    • The seat was a solo seat with chrome rivets
    • The chrome luggage rack behind the seat was standard equipment
    • The turn signal housings were chrome
    • An auxiliary fuel tank was mounted on the left side of the rack
    • The rear shock springs were now black
    • The serial number began CT90-1900010.
Honda Trail 90 CT90
Honda Trail 90 CT90'78

1979 Trail 90 CT90'79

  • ENGINE
    • The engine was a 89cc OHC single cylinder with an automatic clutch
    • Spark plug: D8HA
    • Plug gap: .028
  • DRIVETRAIN
    • The transmission was an 8-speed dual range
    • Chain: #428 x 104
    • Front sprocket: 15 T
    • Rear sprocket: 45 T
  • CHASSIS / SUSPENSION / BRAKES
    • The front suspension used telescopic fork tubes
  • DIMENSION
    • N/A
  • OTHER
    • One color was available: Tahitian Red
    • The frame shroud and side covers were the same as the body color
    • The "HONDA" decal on the shroud was still white, but much larger than the previous year
    • The handlebars had a swivel lock and were now black
    • Also the wheel hubs were black
    • The exhaust system was black and the heat shield were chrome
    • The seat was a solo seat with chrome rivets
    • The chrome luggage rack behind the seat was standard equipment
    • The turn signal housings were chrome
    • An auxiliary fuel tank was mounted on the left side of the rack
    • The rear shock springs were now black
    • The serial number began CT90-5000011.
Honda Trail 90 CT90
Honda Trail 90 CT90'79

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