getting lots of emails on this....
new part #s
898410 x qty 6 seal washer
897443 x 2 valve cover gaskets
857074 x 4 spark plug galley gaskets
bare minimum to try to fix leak
they did also revise the covers themselves....all 2011 and up bikes should already have these.
898407 x 2 updated valve covers for R model or 898467 x 2 for the Factory models, these are magneisum ones
3bond sealer is recommended too, along with reading the tech bulletin (that we cant post)