Motorcycle Maintenance and Oil Information for 1991 Suzuki FB 50
Servicing the 1991 Suzuki FB 50 starts with the motorcycle’s oil specification rather than a generic product recommendation. Check the model-specific guidance for choosing the lubricant and completing the refill correctly.
What type of engine oil does a 1991 Suzuki FB 50 need?
According to the matched catalog records, the engine-oil grade is 10W-40. The matching product listing includes 10W-40 Synthetic Metric Motorcycle Oil. Confirm the manufacturer’s complete oil specification before using a listed product.

