Sterndrive / Inboard Engine (Petrol/SI) · Shaft Line & Propulsion
This marine engine operates on a naturally aspirated, water-cooled, four-stroke inline three-cylinder design, featuring multiport injection for efficient fuel delivery. The Bombardier Recreational Products TBCXM1.638HL, manufactured in Mexico, offers a displacement of 1.6 liters and delivers a maximum power output of 116 kW at 8050 RPM. It is designed for sterndrive and inboard applications, with a service life of 480 hours or 10 years, depending on usage. The engine is electronically controlled and requires regular maintenance to prevent common failures such as ignition or fuel-system faults, cooling-system issues, sterndrive lubricant loss, exhaust leakage, corrosion, and control faults. To ensure optimal performance, carry specified spare parts including spark plugs, fuel filters, ignition components, cooling-pump parts, belts, seals, gaskets, and sacrificial anodes. Additionally, inspect the sterndrive or transmission for lubricant level, contamination, and water ingress, and check the propeller and underwater gear for damage. Regularly examine the bellows, seals, anodes, steering, and transom mounting for sterndrive installations, and verify engine mounts, alignment, and coupling condition for inboard setups.
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What our service work and the manufacturer documentation say about keeping this model running.
Inspect fuel and ignition components, cooling-water flow, hoses, belts and exhaust connections for deterioration or leakage. Check the sterndrive or transmission lubricant for level, contamination and water ingress and inspect propeller and underwater gear for impact damage. Examine bellows, seals, anodes, steering, trim components and transom mounting where a sterndrive is fitted. Check engine mounts, alignment and coupling condition on inboard arrangements. Verify ventilation, fuel-vapor safety provisions, alarms, neutral-start protection and emergency shutdown functions appropriate to the petrol-engine installation. For cylinder dimensions, rotational speed, pressures, clearances, temperatures, wear limits and setting values, refer to the manufacturer documentation for the exact figure.
Carry specified spark plugs, fuel filters, ignition-system service parts, cooling-pump service components, belts where fitted, approved seals and gaskets, and sacrificial anodes. For sterndrives, useful spares include drive-service seals, propeller hardware and an appropriate spare propeller; for conventional inboards, stock transmission and shaft-interface service items according to the installation. Refer to manufacturer documentation for the exact spare selection.
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