These instructions (pdf)cover most of the items to be checked and seen to on your diesel engine and drive when laying up and launching your boat.
Although it won't take more than a couple of hours of your time each year, your engine will run more reliably and economically and use less fuel, with less chance of unnecessary breakdowns.
Consult a authorized
Volvo Penta dealer if you do not wish to do this yourself.
You will find more detailed information around winterazation in our do-it-yourself books which can be ordered through a Volvo Penta dealer.