1968 Honda CT90 K0 "Trail 90" Top End Engine Disassembly

1968 Honda CT90 KO
Frame #: CT90-154895
Engine #: CT90E-155049
Honda made this model essentially unchanged in 1966-68. Earlier models had a two piece rear sprocket with an extra length of chain to give you a high and low range. The later models (this one included) had a single rear sprocket with a high/low sub-transmission to give you 8 gears.
This video covers the top end engine disassembly. See my prior video for the start of this motorcycle rebuild