Everything to keep your Forza 300 engine safe and clean.
Honda OEM drain seal for the oil change - maintenance according to the standards of the manufacturer. Aluminum, 12mm diameter.
Honda engine oil for scooters. 10W30 as OEM specs.
Motul engine cleaner, to use just prior to an oil change. Restores engine compression, protects it and keeps new oil clean longer. Use 100ml in the oil then let the engine running for 15 minutes. Do your oil drain just after.
Motul E7100 10W30 engine oil as Honda's instructions for the Forza 125 and 300.