Piston Kit 6E7-11631-00 OEM Marine Engine Rebuild Parts for Outboard Motor Yamaha 15HP

Certification: ISO9001 factory production; CE documents available upon request

Real Product Photos: Full piston kit overview, piston ring close‑up, Yamaha 15HP outboard cylinder mounting reference picture

This heavy‑duty aftermarket standard‑size piston kit serves as a dependable OEM‑equivalent rebuild spare for Yamaha two‑stroke 15HP outboard motors. It cross‑references OEM part numbers 6E7‑11631‑00, 6E7‑11631‑01‑00 and 63V‑11631‑00‑00. The piston body is precision cast from thermal‑resistant high‑strength aluminum alloy. The piston rings adopt quenched alloy steel surface treatment. This piston kit delivers excellent heat‑resistance, wear‑resistance and anti‑fatigue performance. It withstands cyclic combustion pressure, high‑temperature thermal shock and damp, salt‑rich marine surroundings, maintaining stable compression performance over long‑term boating operating hours.Installed inside the engine cylinder, this complete piston kit converts combustion pressure into driving power. Piston rings maintain cylinder compression, control blow‑by gas and reduce oil consumption. Qualified piston‑kit components eliminate compression loss, minimize oil burning and restore proper engine power output.

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