You can access the oil in some IPS drives from inside the vessel.
Above all else, you need a squared away survey team. Finding a surveyor: https://stevedmarineconsulting.com/wp-content/uploads/2019/05/Surveyors-PT0519_Gearhead_p35-39.pdf
Engine surveys: The Art of the Engine Survey | Steve D'Antonio Marine Consulting
FSBO: “For Sale by Owner; Buyer Beware” and “The Importance of Valve Adjustment” | Steve D'Antonio Marine Consulting
Vessel pre offer evaluation: A Boat Buyer’s ‘Top Ten’ Guide to a Pre-Offer Evaluation Part I – Editorial: The Woes of Carpeting | Steve D'Antonio Marine Consulting
Advice for boat buyers: Editorial: Advice for Boat Buyers – Sulfation; Too many Batteries Die an Unnecessarily Early Death from this Phenomenon | Steve D'Antonio Marine Consulting
Fluid analysis
Oil Analysis – Editorial: The Need for Vocational Training | Steve D'Antonio Marine Consulting
Above all else, you need a squared away survey team. Finding a surveyor: https://stevedmarineconsulting.com/wp-content/uploads/2019/05/Surveyors-PT0519_Gearhead_p35-39.pdf
Engine surveys: The Art of the Engine Survey | Steve D'Antonio Marine Consulting
FSBO: “For Sale by Owner; Buyer Beware” and “The Importance of Valve Adjustment” | Steve D'Antonio Marine Consulting
Vessel pre offer evaluation: A Boat Buyer’s ‘Top Ten’ Guide to a Pre-Offer Evaluation Part I – Editorial: The Woes of Carpeting | Steve D'Antonio Marine Consulting
Advice for boat buyers: Editorial: Advice for Boat Buyers – Sulfation; Too many Batteries Die an Unnecessarily Early Death from this Phenomenon | Steve D'Antonio Marine Consulting
Fluid analysis
Oil Analysis – Editorial: The Need for Vocational Training | Steve D'Antonio Marine Consulting