PDF chapter test TRY NOW

Who spoke the following lines? "The man" or "The narrator"?
 
1. How does it run? .
 
2. Easily enough in the morning; goes a little stiffly after lunch. .
 
3. Don’t you trouble about it any more. .
 
4. I think that will do. .
 
5. Nothing is easier than taking off a gear-case. .