Can some one tell me how many quarts they take , them I can convert to liters( that's how they sell it over here)

H.P. 525 EFI Specifications
Crankcase Oil Recommendations/Capacity
PREFERRED OILS API CLASSIFICATION
Quicksilver 4-Cycle Marine Engine Oil (25W-40) or equivalent SJ, CF/CF-2
Oil filter should always be changed with oil
Crankcase Oil Capacity W/ New Filter
(NOTE) 6.6 L (7 U.S. qts)
Oil Filter Part No. 35-16595T1

IMPORTANT OIL PRACTICES
Do Not Use
• Non-detergent oils
• Oils containing solid additives
• Multi-viscosity oils other than the ones recommended
• Low quality oils
Do Not Mix
• Straight weight and multi-viscosity oils
• Different brands of oils, straight weight or multi-viscosity
• Different weights of straight weight or different weights of multi-viscosity oils.