Savage Flux motor front end holes
 

I have put some tape on the bearing motor at the rear end for dust but the front end of motor have 6 holes I think and I want know if is necessary to put tape for dust or is better to let open for cooling ?
http://i47.photobucket.com/albums/f2...eflux002-1.jpg

You mean the screw holes at the front? I dont think it will harm anything if you'd tape 'em..