PCM / Indmar ski-wake inboard (GM-based)
Direct-drive / V-drive GM-based inboards in MasterCraft, Malibu, Nautique, and Tige. Reliable powerplants; the risk in a wake boat is the ballast/surf system and hard wakesurf-RPM use, not the engine block. A documented, regularly-serviced wake boat is a safe engine bet.
Service and what to check
Impeller, transmission fluid, and V-drive oil on schedule. The engine usually outlives the boat's electronics — focus the inspection on ballast pumps and surf actuators.
Watch usage: above roughly 120 hours/year, this family starts losing reliability points — always weigh total hours against the boat's age, and on any outboard or I/O over a few years old, insist on a compression or leak-down test before money moves.
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