JASO Oil Classifications, Choosing the Right Oil
When it comes to selecting the right oil for your vehicle, especially if you own a motorcycle or a vehicle with a wet clutch, understanding the JASO oil classifications can be crucial. These are some guidance on which one might be best for your vehicle: JASO Oil Classifications 2-Stroke Oils JASO FA: This is the lowest 2-stroke oil specification. It tests for lubricating capability, detergents, initial torque, exhaust smoke, and exhaust system blocking. JASO FB: This specification is a slightly higher standard than JASO FA, with increased requirements for lubricity, detergency, exhaust smoke, and exhaust system blocking. JASO FC: This spec has the same level of tests as JASO FB for lubricating capability and initial torque, but with far higher requirements for detergency, exhaust smoke, and exhaust system blocking. 4-Stroke Oils JASO MA: This oil is designed for motorcycles and other vehicles with a single oil system for the engine, gearbox, and wet clutch. It does ...