ORIGINAL: 2slow2matter
The main issue with saito's vibrating is low end tune. They come very rich from the factory. After a gallon or two, you should lean up the low end. It will purr like a kitten after that. I have no issues at all with my saito's, which range from .56 to 1.25. Now, the 1.5 and up, yes they will shake, but any large single cylinder engine will shake.
NOPE. I have fiddled with these engines all summer; adjusted needle valves, valves, changed props, balanced props, changed fuels, have put multiple gallons of fuel, some 30%, through them, new plugs, and other things I can't think of at the moment. My low end needle valve has been turned in and out more than all my other engines combined.
I have printed out tuning guides and followed them to the letter. I have spent more time frigging with these engines than I have flying them. The 1.00 Saito vibrates at midrange and the covering "drums" so loud everyone at the field comments.
I'm thinking the few ounces of weight saved with a Saito maybe be detrimental if you don't put them on planes with more mass than slabs.
I know lots of people have smooth running Saitos but it isn't me. Thanks for the comments tho...
To try to stay on topic, the Teflon tape works the best (for me) to keep mufflers on.
