On Fri, 27 Nov 2015 12:34:24 -0700, rbowman
wrote:

On 11/26/2015 10:57 PM, Micky wrote:
**Some other models are 49.5cc. I think there are some laws that
apply to bikes 50cc and above, so they made those less.

Yeah, generally license and registration laws.

.... It has an overhead cam engine! But a maximum speed of 30, iirc.

And get this, they say it's a hemi!!

Sure, why not.

Because they used to say that milling a hemi took so much time and
money that only expensive auto engines had them?

No?

OHC implies it's a four stroke.

Definitely 4-stroke.

A lot of the 50cc class
are two stroke since you can get about twice the power even if you are
trailing a blue cloud of smoke. The 49.9cc may also work for the two
stroke bans.