2-stroke comparison

[Malachi]

Hello everyone,

so I have been lurking and reading, and have narrowed my choses down to two. any help deciding between the two would be great.

http://www.bikeberry.com/gas-engine...-kit-2-stroke.html#product_tabs_review_tabbed

http://www.bicycle-engines.com/SkyHawk-AngleFire-GT5A-66cc-Bicycle-Engine-Kit.html

thanks, !