Motorcycle Maintenance and Oil Information for 2016 Suzuki Boulevard S40 650
If you are planning an oil change on the 2016 Suzuki Boulevard S40 650, start by checking the manufacturer’s full lubricant specification and the correct refill procedure. The matched oil information below can help you narrow the choices without substituting for the service manual.
What type of engine oil does a 2016 Suzuki Boulevard S40 650 need?
The listed engine-oil viscosity for this application is 10W-40. Catalog-matched oil products include 10W-40 Synthetic Metric Motorcycle Oil. Check the owner’s manual for any additional oil requirements beyond the listed viscosity.

