Zeda 100cc external dimensions, bigger?

[Science Abuse]

Are these engines much bigger physically than the 80s? Wondering about frame clearance.

Thanks!

 

[Travis Stiles]

Are these engines much bigger physically than the 80s? Wondering about frame clearance.

Thanks!

Generally no they are about the same size, they do have the wider mounting studs in the front though. And Mabie about 1inch taller.