<html><head></head><body><div class="yahoo-style-wrap" style="font-family:times new roman, new york, times, serif;font-size:16px;"><div dir="ltr" data-setdir="false">Is this hole on the rear of my BN2 engine something that is supposed to be plugged?</div><div dir="ltr" data-setdir="false">Mike MacLean<br></div></div></body></html>