Yamaha YZFR1F, YZFR1FC, YZR1MF, YZFR1MFC YZF R1 2015 Owner's Manual

The recommended oil type for the Yamaha YZF R1 2015 is Yamalube 10W-40 or any equivalent high-quality motorcycle oil meeting the API SG or higher specifications.
It is recommended to change the oil every 3,000 miles or every 6 months, whichever comes first, to ensure optimal performance and longevity of the engine.
First, check the battery connections to ensure they are secure and clean. If the problem persists, test the battery with a multimeter. If the voltage is below 12.6 volts, consider recharging or replacing the battery.
To adjust the suspension, refer to the owner's manual for the recommended settings based on your weight and riding conditions. Use the adjustment knobs on the forks and rear shock to tweak the preload, compression, and rebound settings.
The recommended tire pressure for the Yamaha YZF R1 2015 is 36 psi (front) and 42 psi (rear) when cold. Always check tire pressure before riding.
To improve braking performance, ensure the brake pads are not worn out and replace them if necessary. Bleed the brake lines to remove any air bubbles, and consider upgrading to high-performance brake pads or braided brake lines.
Regular chain maintenance includes cleaning the chain with a suitable cleaner, lubricating it with motorcycle chain lubricant, and adjusting the tension to the recommended slack of 30-40 mm. Perform these tasks every 500 miles or sooner in wet conditions.
Check if the radiator is clean and not blocked by debris. Ensure the coolant level is at the recommended level, and inspect the radiator fan for proper operation. If the issue persists, consult a professional mechanic.
Cold weather starting issues can be due to a weak battery, incorrect fuel mixture, or old spark plugs. Ensure the battery is fully charged, use the choke for assistance, and consider replacing spark plugs if they are worn.
Common signs of a worn-out clutch include slipping during acceleration, difficulty shifting gears, and a spongy clutch lever feel. If these symptoms occur, inspect the clutch plates and springs for wear and replace them as needed.