I just received the H9 twist, I am buying a new engine for this plane ...I want a 4 stroke ,so I have narrowed it down to the YS 63S or the Saito 82 ,of these too engine's which one would you buy?.....JW

All engine bashing aside. I too just bought a Twist and am putting a YS .63 in and it fits "slicker then snot on a doorknob". On the other hand if you read some of the posts on this plane, they are saying that the Saito .72/.82 is a tight fit and someone said they would have to remove the cowl cheeks to do it. I am also considering putting the fuel tank on the CG, something I don't think you can do with the Saito, without a pump.

Besides all this I have another YS .63 in another fun fly type plane and I got to tell you this engine is just awesome for FF type flying, incredible power and instantaneous response, 100 flights and not a bobble or a deadstick.

Hi Don, I have a couple of plane's with YS110FZ's in them ...it's hard to beat the industrial size ball's of the YS .....LOL....I think I'll go with the YS in this plane ... I think the Ys is a better engine with more power for it's size....I just wanted to get some more input from the crew........JW