Motorcycle Maintenance and Oil Information for 2018 Jawa 125 124
When preparing an oil change for the 2018 Jawa 125 124, review the engine’s oil requirements and its recommended level-check method. The answers below identify what this catalog actually lists for the motorcycle.
What kind of engine oil does a 2018 Jawa 125 124 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.

