Thanks for the coolant advice, I added a 50/50 premix, but always good to remind the members. That coolant is super pricey btw! Could only find one supplier in my small town and it is almost $100/gallon (for premix!!!).
Haven’t resolved the issue yet. I tapped out, parked it for the season, and booked an appointment for next week with a local shop that does my winterizations.
I spoke with the service department for the Skiers dealer in BC, where I bought the boat, and they suspect the heater system. Apparently they are prone to vapour lock.
I will provide an update after I get it back from the dealer.
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2020 Moomba Mojo
2008 Mastercraft Prostar 197 40th Anniversary
Owner Ness Lake Watersports
Wakemakers “Exact Fit” Bags + Lead = 4,700 ballast
Audio by Wetsounds, MTX, JL Audio, Clarion
15 X 13.00 ACME prop