I have noticed what I thought was a bad smell of oil or gas, but I have no leaks or anything. I checked under the gas tank and all looks good. I am 99% sure its a very heavy exhaust smell. Why would I be smelling the exhaust a lot more lately? I also noticed the other day when there was a lot of rain, a lot of steam was coming out of the left rear wheel well where the exaust is located. Any ideas?