Yamaha YJ125Y Vino 125 2009 Owner's Manual

To perform an oil change, warm up the engine, place the scooter on its center stand, remove the oil drain bolt, and let the oil drain completely. Replace the oil filter, reinstall the drain bolt, and fill with the recommended oil type and quantity.
The recommended tire pressure for the Yamaha YJ125Y Vino 125 is 26 psi for the front tire and 29 psi for the rear tire.
If your scooter won't start, check the battery charge, inspect the spark plug for wear or damage, ensure the fuel is fresh, and verify that the kill switch is in the correct position.
The recommended spark plug for the Yamaha YJ125Y Vino 125 is NGK CR7HSA. Ensure it is gapped correctly before installation.
The air filter should be inspected and cleaned every 3,000 miles and replaced every 12,000 miles or as needed based on riding conditions.
Common signs include a decrease in acceleration, unusual noises from the transmission area, and visible wear or cracking on the belt itself.
To improve fuel efficiency, maintain proper tire pressure, ensure regular maintenance such as oil changes and air filter replacements, and avoid rapid acceleration and excessive idling.
To adjust the brakes, locate the brake adjuster nut near the rear wheel for the rear brake. Turn the nut to adjust the tension, ensuring there is minimal play but not too tight to cause dragging.
To check the coolant level, ensure the engine is cool, locate the coolant reservoir, and inspect the level against the maximum and minimum marks. Add coolant if necessary.
If the engine overheats, stop riding immediately, turn off the engine, and allow it to cool. Check the coolant level and inspect for leaks. If the problem persists, consult a professional mechanic.