Ive herd vito's has a bad rap for people holing there pistons but Ive had o problems with my vito's engine kit they no what do if you ask them about it 98 percent of the time you run it 6 jets to lean and burn a hole in the piston . it makes me sick when i here there piston bust rings and hole the pistons on every engine build in the first 3 hours . be smart not stupid people.