Complete Noob here, take it easy on me. I am going to check out a 1976 Honda CB 750 tomorrow. I wanted to know what should I be looking for? The bike looks like it is in good shape, he said the only issue right now is a small leak between the engine and the pipes, which goes away after it warms up. He confirmed that the leak is in the exhaust no the engine. I am bringing a friend who knows about bikes and has two - he is also test driving it. Any help would be much appreciated. He is asking $2,500.00.