my 503 extra filters, i apologise for the lousy photography.
the extra filters are sold by oreillys autoparts for lawn mowers etc. $3.95 ea. i'm no lover of paper filters, they can soak with water and plug up. (ask me how i know!).Paint Scheme, in Magazine at Lockwood display
This is how @Ttabs could have painted his trike!!! The Lockwood guys are great for Rotax service.