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Known Issues

Cape Dory 28 Known Issues

Common problems, survey red flags, and what to inspect before buying a Cape Dory 28.

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These are the most commonly reported problems on the Cape Dory 28, compiled from surveys, owner reports, and marine forums. Use this list as a pre-purchase inspection checklist — especially the high-severity items.

10
Known Issues
3 High 6 Medium 1 Low
Accommodations
Medium
The interior liner is bonded to the hull in sections and the gap between the liner and hull can trap moisture and promote hidden osmotic activity or mold. These voids are difficult to dry out once wet and should be probed where accessible.
Electrical
Medium
Original wiring on unrestored boats of this vintage is typically undersized tinned copper or, on earlier examples, non-tinned copper that has corroded significantly. Cape Dory's original electrical installations were minimal and many boats have had multiple owner-added circuits installed without a proper bus system, creating fire and corrosion risk.
pre-1982 models
Engine
Medium
Many early Cape Dory 28s were fitted with the Universal Atomic 4 gasoline engine, which is now elderly and has known issues with fuel system deterioration, carburetor wear, and aged ignition components. Confirm engine type and assess whether a diesel conversion has been performed, as many owners have made this swap.
1974–1981 models
Medium
The engine compartment on the CD 28 is tight and access to the rear of the engine, including the stuffing box and raw water through-hulls, is very restricted. Deferred maintenance in this area is common on surveyed boats due to access difficulty.
Hull/Deck
High
The balsa-cored deck is prone to water intrusion around deck hardware, chainplates, and stanchion bases. Once saturated, the balsa core loses structural integrity and soft spots develop; this is extremely common on surveyed examples and should be systematically tapped across the entire deck.
Medium
The hull-to-deck joint on Cape Dory boats of this era uses an outward-turning flange secured with bolts and sealant. This joint is known to open over time, allowing water intrusion; inspect the toerail and joint area carefully for sealant failure and separation.
Low
The port lights (windows) on the CD 28 use a frame-and-gasket design that is known to leak at the cabin sides. The original gaskets harden and shrink with age, and the frames themselves can corrode or crack; rebedding or replacement is commonly needed on older examples.
Keel
High
The full keel is encapsulated with the ballast cast inside the fiberglass shell. The keel-to-hull joint area can develop stress cracks and weeping, particularly at the forward and aft ends of the keel where hogging stress concentrates. Inspect for cracks, rust staining, or soft laminate in this area.
Rigging
High
The chainplate knees are glassed to the interior hull liner and are difficult to inspect fully. On many CD 28s, the chainplate attachment points have shown signs of delamination or chainplate-to-knee movement; removal of interior trim panels is necessary for a proper inspection.
Medium
The CD 28 uses an external aluminum toerail that also serves as part of the deck hardware attachment system. Stanchion bases bolted through the cored deck without proper backing plates or adequate sealant are a widespread issue, leading to deck core saturation and loose stanchions.
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