ORIGINAL: LNEWQBAN
I hope the bottom cover is clear for this model.
If it is also red, you will have a hard time with orientation.
It seems that the engine is a little weak for that frame (5 lb).
I believe it is equivalent to a .30~.32 2-stroke.
May be a .25 trainer would be a better match; something like this:
http://ecsvr.com/abm/shopexd.asp?id=67
For a trainer, bigger is better; so I would recomend you to find a frame (used or new) for your 2-stroke .60 engine.
Thanks LNEWQBAN
I've thought hard about using the vintage 60 but if I hurt it being 41 years old and triple mint it would be a sin to me. I also wondered about differential coverings for orientation.
Dave