Motorcycle Maintenance and Oil Information for 1990 Suzuki DR 250
For the 1990 Suzuki DR 250, you will find 10W-40 in the engine-oil listings. The matching product listings include 10W-40 Synthetic Dirt Bike Oil. Those are product matches, not proof that every listed oil meets every requirement for this engine. Check the manufacturer’s oil specification before choosing one.
What kind of engine oil does a 1990 Suzuki DR 250 need?
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.

