I have to echo some of the anti-Magnum sentiment elucidated in some earlier posts. I'd recommend anything OS....and probably Saito though I have no experience with Saitos. I got a Magnum 52 I believe, a short while back to stick in a scale project. That thing was nothing but a headache, less power than the Os...less reliability, it'd always wet itself just to get started, (and the engine compartment to boot), and after sending it back to the company and having them "look it over" they sent it back saying this was all normal operating proceedure.....not to mention they added, "it prefers to be power started". Translation....this motor will NEVER start by hand. amazing. Paid a little more, got an OS 52 4 stroke....all problems dissappeared. What a great engine, and I'm sure its' smaller brethren are just as good.

my 2 cents

ZZ. ; )