Motorcycle Maintenance and Oil Information for 1990 Suzuki GS 125
Planning maintenance for the 1990 Suzuki GS 125 starts with checking the service instructions for the exact motorcycle. Use the oil and filter matches below as shopping references, and confirm the correct fill and final oil level during the job.
What type of oil does a 1990 Suzuki GS 125 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.
