I just making this post to publicly thank Randall (dex3361) for helping me (through private messges) find the service manual for my L90AE-DE engine (experiencing the same governor problem as described above). This is a great forum! Not only are their nice & knowledgable folks (like Randall), who are willing and able to help you, but the service manual PDF is actually downloadable from this site! I might have eventually stumbled across it ... but Randall saved me a lot of anguish and eyestrain in pointing it out. Thanks a million, Randall!