CB350K0
Sell Date: 1968-69
Rel Date: 02/29/68
Product Code: 287 (Middle number of Honda part numbers)
Frame number: CB350-1000001
Engine number: CB350E-1000001
Colors:

* Candy Blue/White
* Candy Red/White (shown)
* Green/White

Features:

* Gas tank is two tone, side covers and headlight shell are white.
* Fork covers are primary colors.
* Non-pleated seat.
* Oval taillight lens.

CB350K1
Sell Date: 1969
Rel Date: 05/01/69
Product Code: 287 (Middle number of Honda part numbers)
Frame number: CB350-1020596
Engine number: CB350E-1045165
Colors:

* Candy Blue/White
* Candy Red/White (shown)
* Green/White

Changes:

* Stripe added to gas tank (under “HONDA” script).
* New wider gas tank with increased capacity.
* Pleated seat.
* Rectangular taillight lens.

CB350K2
Sell Date: 1970
Rel Date: 02/10/70
Product Code: 317 (Middle number of Honda part numbers)
Frame number: CB350-2000001
Engine number: CB350E-2000001
Colors:

* Candy Blue Green /White
* Candy Gold /White
* Candy Ruby Red /White (shown)

Changes:

* Gas tank is two tone, no knee pads.
* Fork covers, side covers and headlight shell are primary colors.
* Reflectors moved to upper fork.
* Front fender braces moved to bottom of fork tubes.
* Headlight shell is plastic.
* Black anodized aluminum switches.

CB350K3
Sell Date: 1971
Rel Date: 02/08/71
Product Code: 317 (Middle number of Honda part numbers)
Frame number: CB350-3000001
Engine number: CB350E-3000001
Colors:

* Derby Green Metallic (shown)
* Candy Gold
* Light Ruby Red

Changes:

* Gas tank is one color with a black and white stripe, no wing, hinged cap.
* Side covers and emblems are new.
* Seat is hinged on the left hand side, new pleat design.

CB350K4
Sell Date: 1972-73
Rel Date: 02/01/72
Product Code: 317 (Middle number of Honda part numbers)
Frame number: CB350-4000001
Engine number: CB350E-4000001
Colors:

* Gentle Maroon Metallic
* Candy Bacchus Olive
* Candy Gold (shown)
* Light Ruby Red

Changes:

* Taillight is larger.
* Side covers emblems are larger.
* Seat latch uses a key.

CB350G (K5?)
Sell Date: 1973
Rel Date: 01/01/73
Product Code: 344 (Middle number of Honda part numbers)
Frame number: CB350-5000001
Engine number: CB350E-5000001
Colors:

* Iris Purple Metallic
* Tyrolean Green Metallic (shown)
* Candy Orange

Changes:

* White fuel tank stripe is wider.
* Front brake is hydraulic disk.
* Upper fork covers are chrome with black fork boots.
* Side cover emblems are black on white.
* Chrome grip pipe behind seat.
* Insruments tilted toward the rider.