My rst underside was steam cleaned, cost about 35£.


Before:

http://2.bp.blogspot.com/_-EspJygF5l...1600-h/004.JPG



After:

http://3.bp.blogspot.com/_-EspJygF5l...1600-h/008.JPG


September same shop will wash it again and take the exhaust off and spray epox paint.
Next winter i rip off the suspension etc and sandblast them and paint and new bushes.