CYLINDER HEAD GASKET 11141-95505

Function and technical context

The head gasket is the critical sealing element that seals the joint between the engine block and the cylinder head, preventing the mixing of combustion gases, coolant and oil in Suzuki outboard engines of the DT75 and DT85 series. It works in the combustion system, acting as a barrier to the high pressures and temperatures generated in each engine cycle, guaranteeing that compression remains intact in each cylinder. A failure in this component can lead to loss of compression, contamination of the oil by cooling water, overheating of the engine or emission of white smoke from the exhaust, situations that can cause serious and irreversible damage to the propeller. The reference REC11141-95505 corresponds to the specifications of the Suzuki parts 11141-95505 and its variants approved for these engine groups.

When to replace this part?

The most common symptoms of a deteriorated head gasket on outboards are: white or bluish smoke in the exhaust, the presence of bubbles in the coolant tank, a mixture of oil and water visible on the dipstick, or a noticeable drop in the compression reading when performing the cylinder test. It is recommended to inspect the head gasket whenever the head is disassembled for any reason, and to replace it preventively if there is any sign of loss of tightness, since reusing a damaged gasket can cause major damage at sea. In high-mileage checks or after episodes of overheating, preventive replacement is the most cost-effective decision in the long term.