bellray gearsaver 80w gear oil, 1.7 liters for gear/clutch oil
32:1 ratio = 4 ounces of premix oil per gallon of gas, this is probably the most common ratio
chain slack should be about an inch or so up and down movement when u grab it and move it by the swingarm
k&n recharge kit comes with cleaner and oil for the k&n in one box, or u can buy the big jugs from rockymountainatv, thats the cheapesst way to go and they last a while
br8es or b8es plugs, should be coming out tanish color after a while of riding, never black, not dark when u pull em,if they are black, or "chocolate brown" like people say, its rich, both should look the same, if you really wana get into mods and jetting , thats another thread
get a clymer and good luck, the a arm will not take long to chnage, since you are throwing it out, just bash the hell out of the balljoint to get it outa the spindle, sometimes they can be a bitch and stick, but u dont need it so hit it with a big hammer