My bike has 4800 kms on it. My friend says when he rides behind me blue smoke puffs out every once in a while. people tell me this is normal for a newer motor. I put that Honda GN4 stuff in for now. I changed it at 1000 and 3000. I can notice the drop in the oil level window after riding for a couple weeks after the oil change. Is this a problem or will it eventually stop as the engine is fully broken in or when i put synthetic in?