So I have put alot of mileage on my R1 since I bought it in June (about 5-6k). And I am at 10k, is a valve necessary for it? What are signs that your bike needs a tune-up? I am thinking about riding for another month or so and than putting my baby away for the winter, and when I take it out doing a full tune-up. What are some of you guys thoughts about this? Thanks