The reason I want to hose it down is my wife works for John Deere Landscapes so their driveway is gravel. Dust flies everywhere and the whole engine gets coated with dirt. It would take forever to wipe it down and get it all clean and it would only last a day or two (did that once). I'm not worried about distributors. Since it's a distributorless ignition, there are none. I'm just worried about anything up top that may not be water tight. It should be completely water tight, but I want to make sure before I start spraying.
Thanks!