I have a chance to buy a 1988 heritage softail, all is working and bike runs great, from what I understand it does leak fuel out off the carb the owner tells me it just a 15 dollar gasket but that the carb is new from within the past year, bike has 38000 original miles, he is the second owner and has had it for 15 years. maroon and black how much would you pay for this bike. please help.