I changed my own oil today to save time and money..being its soo close to the end of the season here in Chicagoland.....but it shows ALOT low..like not at alll..after 3 quarts...do i need 4?...i rode it for 20 mins..but came home in case i was still low...any one with a answer....feel free here....wouldnt want to weld everything together cuz im a qaurt low....

And since im here...ill be making a whole bunch of friends here with this new graphic.
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You will need to add more. I always put 4 quarts in. A lil over, but helps during that point of time when the front wheel is 5 ft. in the air. Don't worry about how much you put in. Make sure it is full.

 

03-06 CBR600RR = 3.1 Qts w/ Filter Change

If you're putting in three quarts of oil, you should be good to go, unless the oil you put in is prone to volitity (evaporation). putting in 4 quarts can be quite foolish as an overfill is worse than underfilling it. If you're just doing wheelies and you're worried about starvation, DONT. There is plenty of oil in the sump and the pick up is located twords the rear of the pan where all the oil goes when the wheel comes up. It's a wet sump, not a dry or semi-wet sump, so when doing a oil change with a filter change, install 3 qts of good, heat stable oil and you should be good to go.

 

I always have to do a little over 3 also for my 600. My buddy almost needs a full 4 in his 1000.

 

First... to ask the obvious, are you checking the bike when it's leaning on the kick stand? I'm asking for the same reason they put the stupid warning labels on everything now, I've seen it done. You have two lines on the window, are you saying it's not in the window at all or not in the lines? I change mine all the time and always use 3 quarts and see oil at the upper line. I start the bike for 5 minutes to warm up the oil so it flows out, then let it drain for a long time to make sure most of the old is out... not like hours, but around 5 to 10 minutes while I do other things to the bike.

Too much oil is a bad thing.... don't over fill.