Motorcycle Maintenance and Oil Information for 1990 Suzuki LS 650
If the 1990 Suzuki LS 650 is due for engine-oil service, identify the proper lubricant and confirm how the final level must be measured. Catalog matches help with product selection, but they are not a replacement for service instructions.
What kind of oil does a 1990 Suzuki LS 650 take?
The catalog lists 10W-40 as engine-oil viscosity for this motorcycle. Matching products include 10W-40 Synthetic Metric Motorcycle Oil. Verify the full manufacturer's oil specification, not just viscosity, before using a listed product.

