In many cases, it is better and much more reliable to replace your engine(s) than spend the money to rebuild it, plus you get a new factory warranty. Buying the cheapest engine might end up costing you more than if you had paid more up front. We can make you a proposal , that we charge for , since it involves research and, in many cases, design work. Whether you want to do an engine or a new generator, talk to us first. It may save you money in the long run. We can supply the engine or generator or you can supply your own.