YAMAHA GASKET KIT 6E7-W0001-A1 REC6E7-W0001-A1

Function and technical context

This gasket kit is part of the engine's internal sealing system, sealing the critical joints between block and cylinder head components in small displacement Yamaha outboard engines. The gaskets prevent leaks of cooling water, oil and combustion gases in high pressure and temperature areas, maintaining the integrity of the cooling circuit and chamber compression. The deterioration or breakage of these gaskets compromises the tightness of the engine, causing water to enter the crankcase, loss of coolant, decreased compression and accelerated overheating during navigation.

When to replace this part?

Gaskets require replacement when symptoms appear such as visible water or oil leaks around the block joints, white smoke in the exhaust, abnormal loss of coolant without apparent cause, or increased operating temperature. After each major maintenance intervention or repair that involves disassembling the block and cylinder head, it is advisable to replace the complete set of gaskets to ensure lasting tightness. Preventive replacement of this kit during seasonal inspections avoids costly repairs caused by internal corrosion or progressive engine damage.

Equivalent manufacturer part numbers