Never been caught in the rain yet, so no first-hand experience, but a friend recommends a packable HD rain suit as bombproof in wet weather. I bought on her recommendation, and it
Pols like quality gear. I like the reflective fabric and taped seams. Pricy though, about $100 new.
Got my M-class in July 2011.
Got my 1999 V Star 650 Classic in August 2011.
Been having lots of fun ever since.