I have one on a GP DAZZLER and it is a good engine in my eyes cranks good, idles like a champ, the factory prop that comes with it seems to be a little weak though. I changed mine out to a little different 3-Blade prop. The only reason for this is, I have some friends with the engine and the factory prop has broken on both of theirs with the slightest contact with the pavement. But for the money I think it is a wonderful choice.