You don't need to cap off the PCV hose. Its function is to relieve the crank case pressure. other wise excess pressure builds up in the crank case. Just let it hang loose if nothing else.
2014 Harley Sportster 883 Superlow
hexnuts...a curse put on your balls by a mean gypsy
3/5 Cav, C Troop, BlackKnights, Vietnam 1969