How Much Gear Oil Should Be Added to a Scooter Motorcycle?
2 Answers
Scooter motorcycle gear oil is generally suitable to be added between 100-200 milliliters. The role of gear oil: Gear oil mainly refers to the lubricating oil for the transmission and rear axle. It differs from engine oil in terms of usage conditions, composition, and performance characteristics. Gear oil primarily serves to lubricate gears and bearings, prevent wear and rust, and assist in heat dissipation for the gears. Precautions for selecting motorcycle gear oil: Choose gear oil with a viscosity suitable for different temperatures in winter and summer. Multi-grade oil can be used year-round. If single-grade oil is used, its high viscosity can easily lead to poor oil circulation, damaging the machinery and causing irreversible consequences. In severe cases, it may result in serious failures such as cylinder scoring or seizure.
I've been riding a scooter for several years. The appropriate amount of gear oil mainly depends on the model and the manual's recommendations. For common 150cc scooters, the gear oil quantity is generally suitable between 120 to 150 milliliters. If you're changing the oil yourself, don't press too hard with the dipstick. First, check if the drain screw at the bottom of the bike is tightened, then pour an appropriate amount of oil from the filler port. Wait a few minutes for the oil to settle, and then observe through the sight glass to ensure the oil level is in the middle range. Adding too little oil leads to insufficient lubrication and faster gear wear; adding too much causes overflow, dirt, and environmental pollution. I recommend buying professional gear oil with clearly marked viscosity—don't skimp and use the wrong oil. Check the oil level and color every two to three thousand kilometers; if it turns black, it's time for a change. Safety first—if you're unsure, consult a mechanic.