Become a Member: Get Ad-Free Access to 3,000+ Reviews, Guides, & More

Honda 750 FOUR (CB750K) Motorcycles

1969-70 CB750K0 Four

  • It was available in one of three colors:
    1. Candy Blue Green
    2. Candy Gold
    3. Candy Ruby Red
  • The tank, side covers, and upper forks were of the basic color (green, gold, or red)
  • The headlight shell was also the basic color
  • The bike had a 4-into-4 throttle cable system
  • The exhaust system was a 4-into-4
  • The engine was a 736cc SOHC 2-valve dry sump inline 4 cylinder linked to a 5-speed transmission and chain drive
  • The serial number began CB750-1000001.

1970-71 CB750K1 Four

  • It was available in one of four colors:
    1. Candy Ruby Red
    2. Candy Gold
    3. Valley Green Metallic
    4. Candy Garnet Brown
  • The gas tank stripe was gold
  • The tank, side covers, and upper forks were of the basic color (red, gold, green, or brown)
  • The side covers were smaller and there were no slots on the leading edge
  • There was a two-throttle cable system (pull open and pull closed)
  • The headlight shell was also the basic color
  • The exhaust system was a 4-into-4
  • The engine was a 736cc SOHC 2-valve dry sump inline 4 cylinder linked to a 5-speed transmission and chain drive
  • The serial number began CB750-1044650.

1972 CB750K2 Four

  • It was available in one of three colors:
    1. Brier Brown Metallic
    2. Flake Sunrise Orange
    3. Candy Gold
  • The gas tank stripe was gold
  • The side covers were smaller than the K0 model and there were no slots on the leading edge
  • The upper forks were chrome
  • The headlight shell was black
  • The taillight and side reflectors were larger
  • There was a two-throttle cable system (pull open and pull closed)
  • The exhaust system was a 4-into-4
  • The engine was a 736cc SOHC 2-valve dry sump inline 4 cylinder linked to a 5-speed transmission and chain drive
  • The serial number began CB750-2000001.

1973 CB750K3 Four

  • It was available in one of three colors:
    1. Flake Sunrise Orange
    2. Candy Bucchus Olive
    3. Maxim Brown Metallic
  • The gas tank stripes were white, gold and black
  • The side covers were smaller than the K0 model and there were no slots on the leading edge
  • The upper forks were chrome
  • The headlight shell was black
  • The taillight and side reflectors were larger than the K1 model
  • There was a two-throttle cable system (pull open and pull closed)
  • The exhaust system was a 4-into-4
  • The engine was a 736cc SOHC 2-valve dry sump inline 4 cylinder linked to a 5-speed transmission and chain drive
  • The serial number began CB750-2200001.

1974 CB750K4 Four

  • It was available in one of three colors:
    1. Flake Sunrise Orange
    2. Freedom Green Metallic
    3. Boss Maroon Metallic
  • The gas tank stripes were white, gold and black
  • The side covers were smaller than the K0 model and there were no slots on the leading edge
  • The speedometer showed increments of 20 (i.e., 20, 40, 60, 80, etc.)
  • The upper forks were chrome
  • The white tank pinstripe was wider than the K3 model
  • The headlight shell was black
  • The taillight and side reflectors were larger than the K1 model
  • There was a two-throttle cable system (pull open and pull closed)
  • The exhaust system was a 4-into-4
  • The engine was a 736cc SOHC 2-valve dry sump inline 4 cylinder linked to a 5-speed transmission and chain drive
  • The serial number began CB750-2300001.

1975 CB750K5 Four

  • It was available in one of two colors:
    1. Planet Blue Metallic
    2. Flake Apricot Red
  • The instrument faces were dark green
  • The speedometer numbers were increments of 10 (i.e., 10, 20, 30, 40, etc.)
  • The side covers were smaller than the K0 model and there were no slots on the leading edge
  • The upper forks were chrome
  • The white tank pinstripe was wider than the K3 model
  • The headlight shell was black
  • The taillight and side reflectors were larger than the K1 model
  • There was a two-throttle cable system (pull open and pull closed)
  • The exhaust system was a 4-into-4
  • The engine was a 736cc SOHC 2-valve dry sump inline 4 cylinder linked to a 5-speed transmission and chain drive
  • The serial number began CB750-2500001.

1976 CB750K’76 Four

  • It was available in one color: Candy Antares Red
  • The instrument faces were light green
  • The side covers were smaller than the K0 model and there were no slots on the leading edge
  • The upper forks were chrome
  • The white tank pinstripe was wider than the K3 model
  • The headlight shell was black
  • The taillight and side reflectors were larger than the K1 model
  • There was a two-throttle cable system (pull open and pull closed)
  • The exhaust system was a 4-into-4
  • The engine was a 736cc SOHC 2-valve dry sump inline 4 cylinder linked to a 5-speed transmission and chain drive
  • The serial number began CB750-2540001.

1977 CB750K’77 Four K

  • It was available in one of two colors:
    1. Candy Alpha Red
    2. Excel Black
  • The gas tank stripe was gold with a white and red pinstripe
  • The “750 FOUR K” side cover emblem was gold
  • There was a two-throttle cable system (pull open and pull closed)
  • The exhaust system was a 4-into-4
  • The engine was a 736cc SOHC 2-valve dry sump inline 4 cylinder linked to a 5-speed transmission and chain drive
  • The serial number began CB750-2700009.

1978 CB750K’78 Four K

  • It was available in one of two colors:
    1. Candy Alpha Red
    2. Excel Black
  • The gas tank stripe was gold with a gold and red pinstripe
  • The “750 FOUR” side cover emblem was a graphic design
  • There was a “K” side cover decal and stripe
  • The seat is contoured in a two-stage design
  • There was a two-throttle cable system (pull open and pull closed)
  • The exhaust system was a 4-into-4
  • The engine was a 736cc SOHC 2-valve dry sump inline 4 cylinder linked to a 5-speed transmission and chain drive
  • The serial number began CB750-2800001.

1979 CB750K’79 Four K

  • It was available in one of three colors:
    1. Candy Muse Red
    2. Candy Bayard Brown
    3. Black
  • The taillight lens was a wraparound unit with a painted cowling
  • The exhaust system was a 4-into-4
  • The speedometer had a 150 mph (240 kph) limit
  • The engine was a 749cc DOHC 4-valve inline four cylinder linked to a 5-speed transmission
  • The serial number began RC01-2000001.

1979 CB750K’79 Limited Edition

  • It was available in one color scheme: Candy Muse Red with Red
  • The gas tank and side covers were 2-tone
  • The wheels were black comstar
  • There was a separate taillight assembly with the 1978 style lens
  • The “10th ANNIVERSARY CB750K” side cover emblem was gold and green
  • The engine was a 749cc DOHC 4-valve inline four cylinder linked to a 5-speed transmission
  • The serial number began RC01-3000006.

1980 CB750K’80 Four K

  • It was available in one of two colors:
    1. Candy Muse Red
    2. Excel Black
  • There was a separate taillight assembly with a chrome bracket
  • The speedometer had a 85 mph (135 kph) limit
  • The engine was a 749cc DOHC 4-valve inline four cylinder linked to a 5-speed transmission
  • The serial number began RC01-2100005.

1981 CB750K’81 Four K

  • It was available in one of two colors:
    1. Candy Muse Red
    2. Cosmo Black Metallic
  • The speedometer had a 85 mph (135 kph) limit
  • The 4-into-4 mufflers had a new megaphone design
  • The front forks were air-adjustable
  • The engine was a 749cc DOHC 4-valve inline four cylinder linked to a 5-speed transmission
  • The serial number began JH2RC010*BM200001.

1982 CB750K’82 Four K

  • It was available in one color: Candy Imperial Blue
  • The speedometer had a 85 mph (135 kph) limit
  • The front forks were air-adjustable
  • The front disc brakes were slotted with twin piston calipers
  • The 4-into-4 mufflers had a megaphone design
  • The engine was a 749cc DOHC 4-valve inline four cylinder linked to a 5-speed transmission
  • The serial number began JH2RC010*CM300003.

750 FOUR (CB750K) Image Gallery