Yamaha AR195, SX195, AR190, SX190 2019 Owner's Manual
![Yamaha AR195, SX195, AR190, SX190 2019 manual cover](/images/5550a561499695fe6b6427c7/thumbs/thumb175x175.webp)
The recommended maintenance schedule includes checking and changing engine oil every 50 hours or annually, inspecting the spark plugs every 100 hours, and flushing the cooling system after each use in saltwater. Regular inspections of the hull and deck, as well as checking the battery and electrical systems, are also advised.
First, check the battery connections to ensure they are tight and free of corrosion. Verify that the battery is fully charged. Inspect the fuel system for clogs or leaks and ensure the fuel valve is open. If the problem persists, examine the ignition system, including the spark plugs and ignition coil.
To winterize a Yamaha SX190, start by cleaning the boat thoroughly and draining all water from the engine and bilge. Add a fuel stabilizer to the fuel tank and run the engine for a few minutes. Change the engine oil and replace the oil filter. Disconnect the battery and store it in a cool, dry place. Cover the boat with a high-quality cover.
To optimize fuel efficiency, ensure the boat is properly trimmed and balanced. Keep the hull clean to reduce drag. Avoid carrying unnecessary weight and maintain a consistent speed. Regular engine maintenance, including timely oil changes and air filter replacements, also helps improve fuel efficiency.
Immediately reduce speed and move to idle. Check for any obstructions in the cooling water intake and ensure the cooling system is not clogged. Inspect the impeller and replace it if necessary. If the problem continues, consult a certified Yamaha technician for a more in-depth inspection.
Rinse the jet pump area with fresh water after each use, especially after operating in saltwater. Inspect the intake grate and impeller for debris. Regularly check the pump seals and bearings, and lubricate them as needed. If you notice unusual noises or vibrations, consult a professional for further inspection.
Start by checking the battery's charge and connections. Inspect the main fuse and any other in-line fuses for damage. Examine the wiring harness for signs of wear or corrosion. Test each component, such as lights and gauges, to isolate the problem. If needed, consult a certified technician for a thorough electrical system diagnosis.
To adjust the throttle, first ensure the engine is off and the throttle is in the neutral position. Access the throttle cable adjustment near the engine. Loosen the locknut and adjust the cable tension as needed. Tighten the locknut once the desired tension is achieved. Test the throttle for smooth operation.
Conduct a thorough inspection of the hull and deck for any damage. Check the fuel and oil levels, and ensure the bilge pump is operational. Verify that all safety equipment, including life jackets and fire extinguishers, is on board and in good condition. Test the navigation lights and sound signal devices.
After each saltwater outing, thoroughly rinse the boat with fresh water, especially the engine, jet pump, and metal fittings. Apply a corrosion inhibitor to metal components. Regularly inspect the anodes and replace them when more than half worn. Consider using a boat cover to protect against the elements.