Yamaha TT-R50EK TT-R50E 2019 Owner's Manual
![Yamaha TT-R50EK TT-R50E 2019 manual cover](/images/a37a6e754e0b8a7333d97470/thumbs/thumb175x175.webp)
You should use a high-quality 10W-40 or 20W-40 four-stroke motorcycle oil that meets the specifications set by Yamaha. Make sure it is suitable for wet clutches.
To adjust the chain tension, first loosen the axle nut. Then, adjust the chain adjusters on both sides of the swingarm evenly until the chain has about 1.2 to 1.6 inches of slack. Tighten the axle nut after adjustments.
The recommended tire pressure for the front tire is 14 psi and for the rear tire is 14 psi. Always check tire pressures when the tires are cold.
It is recommended to clean the air filter every 10 hours of riding or more frequently if you are riding in dusty conditions. Always ensure the filter is dry before reinstalling.
If the bike won't start, check the fuel level, ensure the fuel valve is on, and check the battery charge. Verify that the kill switch is in the 'run' position and inspect the spark plug for fouling.
To replace the spark plug, remove the spark plug cap, use a spark plug wrench to unscrew the old plug, and install a new one with the correct gap setting. Ensure it is properly tightened.
To store the bike for winter, clean it thoroughly, change the oil, fill the gas tank with stabilized fuel, disconnect the battery, and store it in a dry place. Elevate the bike to prevent tire flat spots.
To adjust the carburetor, locate the air/fuel mixture screw and idle speed screw. With the engine warm, adjust these screws to achieve a stable idle and optimal performance. It may require professional tuning for best results.
Regular maintenance includes checking and changing the oil, cleaning the air filter, inspecting the brakes, lubricating the chain, checking tire pressure, and inspecting cables and controls for wear.
For electrical issues, start by checking the battery connections and fuse. Inspect the wiring harness for any visible damage or loose connections. Use a multimeter to test the battery voltage and continuity in the wiring.