Plastic is not better than Aluminum... in some cases like running 4 strokes you'll have a hard time keeping a plastic spinner together unless it has an Aluminum back plate. Scratches happen... get over it one thing you can do to help is learn to hand start your engines... unless something is VERY wrong the only time my starter comes out is to fire up my Heli a fairly close tune... good prime and a back flip has my engines running 99% of the time. Keeping your starter cone clean and making sure you FIRMLY hold the starter to the spinner then hit the button goes a long way to keeping your spinners looking like new... still hand starting is the way to go... it's not only easier on the spinner it easier on the engine bearings, con-rod and so on.


John