The alignment tool part # is 91-805475A1 you can pick up one on ebay for under 50 bucks......
http://www.ebay.com/sch/i.html?_fro...3.TR0.TRC0.H0.TRS0&_nkw=91-805475A1+&_sacat=0
The alignment tool part # is 91-805475A1 you can pick up one on ebay for under 50 bucks......
http://www.ebay.com/sch/i.html?_fro...3.TR0.TRC0.H0.TRS0&_nkw=91-805475A1+&_sacat=0
The alignment bar isn't splined, it's smooth everywere, just stepped down where it enters the gimbal bearing and the coupler... here's the specs from DonS' sticky
http://forums.iboats.com/forum/engine-repair-and-maintenance/mercruiser-