Some people think that in 26 cc there is no better than Webra-26 or MVVS-26 and if you check
the comments on RCU you might change your mind too. Check those:
http://www.webra-austria.at/motor.ph...r=AERO&lang=EN
http://www.mvvs.cz/mvvs%2026.html
and for the Performance-vs-Price I believe nobody can beet MVVS, for the price of
the Engine and also for the price of the Spare parts.
Cheers,
Nick