chev0545 234 #1 Posted August 15, 2013 is there a vent on a 1990 312 hydro? im changing the trans oil,almost impossible to add oil thanks Share this post Link to post Share on other sites
dennist 139 #2 Posted August 15, 2013 (edited) Some people loosen the filter a bit, I remove one of the bolts that hold the seat pan support tower to the trans. And It flows right in. Edited August 15, 2013 by dennist Share this post Link to post Share on other sites
chev0545 234 #3 Posted August 15, 2013 I took the bolt out that holds fuel line clamp & worked perfect thanks Share this post Link to post Share on other sites