Engine Swap or Rebuild- Short Case to Long Case  By  indio (Read 505 times)

Hey everyone! Thanks in advance for your help!! Here goes:

The engine on the left is a 150cc engine with a long case 12" wheels, disc brakes.
I was told it seized. I was able to break it free manually,but it made a couple of clanking noises. . After getting all the electrical squared away, I turned it over, it made some occasional metal clinking sounds then got stuck. I manually broke it free with not much effort and rotated it many times by hand. When using the starter, it made some occasional metal clinking sounds then got stuck.

The engine on the left was donated to me. It is a 150cc engine with a short case, 10", drum brakes.

You see where this is going???

1- If first engine is toast, can I swap out the left side and make the second engine a long case with disc brakes?
2- Is it so involved that I might as well try and rebuild the first engine?
3- Parts-wise, might it be cheaper to just buy an engine (new or used).

I can handle any of the above scenarios, I'm thinking it would be fun to tear it apart, just looking to see what makes the most sense.

Thanks everyone, let me know what you think.