Motorcycle Maintenance and Oil Information for 1990 Suzuki RMX 250
When preparing an oil change for the 1990 Suzuki RMX 250, review the engine’s oil requirements and its recommended level-check method. The answers below identify what this catalog actually lists for the motorcycle.
What kind of oil does a 1990 Suzuki RMX 250 take?
The catalog lists 10W-40 as engine-oil viscosity for this motorcycle. Matching products include 10W-40 Synthetic Dirt Bike Oil. Verify the full manufacturer's oil specification, not just viscosity, before using a listed product.

