If you can put up with a little more noise, a few slight modifications will likely make you go from hateing that motor to likeing it (it did me).You will need a 10 dollar bill and 30minutes.First remove that 3 blade prop then press theflyweight off the prop drive plate (use two sockets and a hammer,the first socket with an o.d. less than drive plate and thesecond with an i.d. greater than drive plate then tap with light to medium force).Now reinstall prop drive plate install a 10x7 Master Airscrew prop and proper spinner. Now remove the baffle from inside the muffler. I also reccomend an OS A-3 glow plug. Retune you engine after all this you will have much more power and throttle. Dont forget to to rebalance your airplane you just made it about 3 oz's lighter I suggest moving the battery back if necessary.

Now put that 3 blade prop and spinner on Ebay, someone who doesnt know any better will buy it.