What’s The Best Oil for My Scooter?

People seem to snap up scooters every time gas prices hit new highs. With dire predictions for higher prices this summer, it’s a good time to be in the scooter sales business. Once you get your gas-saving two-wheeled wonder, you’ll need oil for your scooter, and you’ll probably have questions: What’s the best oil for a 50cc 4-stroke scooter? What do I need to know about 2 stroke scooter oil? We’ll tackle those questions here.

Oil For Your Scooter: A Primer

It’s tempting to assume that small = simple when it comes to your scooter engine, be it a 4 stroke or 2 stroke. However, that’s not the case. Scooters face tougher operating conditions and, consequently, are harder on oil than most people assume.

High-Revving, Hot Engines

Although some top-end scooters are liquid cooled, like the Honda* Metropolitan,* most are air cooled. Air is inherently less efficient at removing heat from the engine than coolant/water mixtures.

For example, sitting in traffic on a hot summer day as the sun radiates off the asphalt and heats the engine is a recipe for overheating since the scooter isn’t moving to generate cooling air over the engine.

Plus, scooter engines can rev high, especially if you get a little rambunctious on the throttle. These conditions create heat and stress, which oxidize the motor oil and cause it to chemically break down. Oil that has oxidized causes a few problems:

  • Reduced wear protection
  • Increased oil viscosity, which reduces energy efficiency
  • Shortened oil life

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