Outboard Engine (Petrol/SI) · Shaft Line & Propulsion
Yamaha Motor Co., Ltd. EYMXM.0722GA is a petrol spark-ignition outboard propulsion engine listed in the supplied equipment record. The supplied record lists a power of 1.9 kW. It is normally installed on the vessel transom or an outboard bracket, with the complete engine and gearcase forming a removable propulsion unit. Its primary purpose is to provide propulsion and steering thrust for small craft without a separate inboard shaft line. Compared with sterndrive or fixed inboard installations, an outboard combines engine, gearbox, cooling-water intake, exhaust routing and propulsor in one externally mounted unit. The model designation identifies a particular manufacturer configuration, but the supplied record does not define every hardware, material, control, or certification difference to adjacent models. For exact ratings, dimensions, settings, materials, connection details, and variant-specific limits, refer to the manufacturer documentation for the exact figure.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
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What our service work and the manufacturer documentation say about keeping this model running.
Inspect the cooling-water path, fuel system, electrical connections, controls, mounting hardware, steering arrangement, propeller and gearcase for leakage, corrosion, damage and secure attachment. Check lubricant and cooling indications and verify alarms and safety interlocks where fitted. Salt-water units require particular attention to flushing, corrosion protection and sacrificial protection. Service limits and test values must follow the manufacturer documentation.
Useful onboard spares include fuel-filter elements, spark plugs or ignition-service items applicable to the engine, cooling-pump service parts, gearcase seals, approved lubricants, propeller hardware, electrical fuses and selected sensors or relays appropriate to the installed model.
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