Is this smell normal -

[Chboro]

Taking the Box out for a drive this morning. I will jack it up and pull the wheels off and have a look when I return. I replaced the tubes and o-rings because I had no record of them ever being done and I was changing spark plugs and doing an oil changes as well. It was one of those 'while I'm here I'll do this' things. I'll report back when I've eliminated the smell.