Definitely talk to him, and the trick to making him feel good about what you’re suggesting is to be careful not to use words that will make him think you’re judging him or blaming him. In fact, practice what you want to say to him.
If there are specific things you want to try, just come out and ask him, when you’re not in bed, if the two of you can try x, y and z sometime. See what his reaction is. He may be happy to know your feelings and want to please you in this way. Many times guys don’t really know what you want, and like some gentle direction. Other times, they want to be the ones who are in charge in bed.
Be sure to reward him after your talk, by telling him how much you love him. Oh — and don’t spring a litany of sexual tricks on him. Start with one simple thing you’d like or like more of, and when that goes well in bed, you can ask for a little more.
Having a satisfying sex life is a process. Everyone’s needs and likes and dislikes change, so be open to compromise — and be sure to ask him if there’s anything he’d like to do differently that he may not have told you about up to now, so the conversation is a two way street, and not just all about you.
I hope that helps!