I need a 70-80' s honda guy

[mach1]

So I need to replace the motor in my 79 cm185 I wanna install either a 200 or  I know later models have cdi ignition. I need to know f the motor I find has cdi can I swap my rotor and stuffto the new motor from my old motor? Id rather not rewire for a cdi box. Also would a 250 from an 05rebel fit? The mounts look the same .it also has th holes on the ottom of the motor where the footpeg goes

[Big Rich]

Might want to look around on a Honda specific forum. Hondatwins, dotheton, sohc4, etc.

Just guessing though - I think wiring in a new cdi would be easier than swapping rotors. I've changed from points type ignition to electronic on a couple scoots and it's actually very easy.

The only thing I can say about a motor swap is to try to cross reference any parts that would matter. Like the cases, motor mount bolts, etc. Not much help, I know. Sorry man.