Originally Posted by inferno13

they both both are very good engines, i have found if a piston/sleeve/conrod is needed in a novarossi i just throw it away and by a new one, where the GO motors come with a spare rod as most engine companies recommend changing after break in. they are both equel mills in my opinion! novarossi has the " good quailty brand" because they have been out so long, GO will have that definition also when everyone realizes that more expensive is not always better!