Outboard Engine (Petrol/SI) · Shaft Line & Propulsion
The American Honda Motor THNXM.8082G2 is a petrol spark-ignition outboard engine. An outboard combines the engine, steering interface, gearcase and propeller drive in a self-contained unit mounted at the vessel's transom or on an outboard bracket. It is designed to provide propulsion while allowing steering and trim or tilt through the complete outboard assembly. Compared with neighbouring outboard entries, this unit is distinguished by its exact manufacturer and model designation and stated rating where provided; the list does not establish displacement, cylinder layout, gear ratio, propeller specification or control package. Service reliability depends on clean fuel, correct ignition, adequate cooling-water flow, sound lubrication of the powerhead and gearcase, and protection of underwater components from corrosion or impact. For cylinder dimensions, rotational speed, pressures, clearances, temperatures, wear limits and setting values, refer to the manufacturer documentation for the exact figure.
What our service work and the manufacturer documentation say about keeping this model running.
Check cooling-water discharge, intake condition and the water-pump service history, and inspect the gearcase for oil leakage or impact damage. Inspect spark plugs, ignition components, fuel filters, hoses and connections for deterioration or contamination. Check propeller, propeller shaft, anodes, skeg, trim and tilt system and steering connections for damage and secure attachment. Inspect the engine mounting and transom for movement, cracking or corrosion. Verify alarms, emergency stop lanyard or equivalent shutdown device, neutral-start interlock and control operation where fitted. For cylinder dimensions, rotational speed, pressures, clearances, temperatures, wear limits and setting values, refer to the manufacturer documentation for the exact figure.
Carry spark plugs specified for the engine, fuel-filter elements, approved fuel and cooling-system service items, water-pump service parts, gearcase drain seals, propeller hardware and sacrificial anodes. Useful operational spares can include an appropriate spare propeller, ignition or sensor components, fuses and trim/tilt service items according to the installed control system. Refer to manufacturer documentation for the exact spare selection.
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