Ducati2015–2024
Monster 821 / 937
937cc•
Engine Oil
3.70 L
15W-50
Spark Plug
NGK MAR9A-J
0.8 mm
Front Tire
120/70ZR17
36 PSI
Rear Tire
180/55ZR17
42 PSI
Verified factory workshop reference: fluid capacities, spark plug gaps, drive chain sizes, and cold tire inflation pressures for modern street and sport motorcycles.