@Pax wrote:
Be warned if you have had no problems with the original oil then stick to it do not change it for ATF.
Pax
It depends which saildrive you have whether it requires engine oil or ATF; my 120SE, for instance, requires ATF).
The definitive(?) Volvo document matching saildrive type and oil recommended is http://www.volvopenta.com/SiteCollectionDocuments/Penta/Misc/drive_1_oil_rec_7745608.pdf.
