Greetings. I have recently become the proud owner of a 2000 XR600 and have some pretty basic questions. 1. Will it damage the gearbox if I change up without using the clutch?? 2. My mate the mechanic tells me theres no need to lubricate an 0-ring chain but mines has a few little rusty bits starting to form on the outside (bike was left unused for a while), whats the best option for keeping the chain in good nick?? 3. I use the bike every day as my work transport but also want to hit the dirt on the weekends, can anyone recommend a reasonable tyre for me to use please?? Ilive in Australia so many of the American tires are unavailable here... Ta in advance..