After riding a 1980 R-80/7 for 14 years, I would like to knnow if the maintnence is as easy to complete on a 1985 K-100 RS as it was for the 1980 R-80/7 I am used to? What are teh notable differences that I hsluld be aware of besides, one is a air cooled and one is liquide cooled? Thaks Gene