Honda cbr 600 f2 1993 in Ballwin, MO

always garage kept. has 40,000 miles .i got the bike in 2011 with 17,800 miles .it has a Hindle high mount full system exhaust. exhaust header gaskets replaced at 31,600 miles as well as fresh spark plugs. I changed the oil and filter every 3000 miles. cleaned air filter every other oil change. new ebc clutch and fresh oil change. good front and back Dunlap q3 tires . good rk 525 chain and sprocket that were done at 33,000 miles. valve cover gasket done at 24,700 miles. cam chain tensioner adjusted at 37,000 miles. I'm never gonna get the money I got in the bike back, make me a offer