FUEL
I agree with the oil change and oil filter, too. I would not crank the fuel out the way you did, you could really mess things up and bend some internals. There should be a petcock valve for the fuel and I would seriously find it. Just like a Thermos (tm) when you dump out hot water or coffee and then you put the cap on it to let it cool it will create a vacuum...the old days of canning fruits and such too...so definatily shut the gas off. the vacuum will suck it in as it cools off...and it will only get worse every time you do it. There may already be some damage done...but have a PM with JOEY and he will set you up with the right guys to ask...seems like the FORUM gang is slacking on this one for you. I know guys complain about the prices of manuals, but the price can save hundreds of dollars in maintenance...you don't even have to tell anyone that you bought one if you don't want to...Personally I have ALWAYS shut my gas off because I have seen a cracked fuel line leak and a guys bike go up in a ball of flame...one time will change you!