General Boat Info
MakeRiviera Yachts
MakeRiviera Yachts
Model51 Enclosed Flybridge SII
Model85 Motor Yacht
Model Year2008
Model Year2011
Measurements / Dimensions
Beam16 ft. 2 in. (4.93 m) including gunwale
Beam21 ft. (6.4 m) including gunwale
Beam - Meters4.93
Beam - Meters6.4
Beam - Inches194
Beam - Inches252
Draft [max] - Detail4 ft. 6 in. (1.38 m) including props
Draft [max] - Detail5 ft. 6 in. (1.68 m) including props
Draft [max] - Meters1.37
Draft [max] - Meters1.68
Draft [max] - Inches54
Draft [max] - Inches66
Weight - Detail48,060 lbs. (21,800 kg)
Weight - Detail152,240 lbs. (69,200 kg)
Weight - kg21799.63
Weight - kg69054.85
Weight - lbs.4806
Weight - lbs.15224
Length - Meters16.67
Length - Metersnot available
Length - Feet54
Length - Feet85
Length - Inches8
Length - Inchesnot available
Length [over all with swim platform]58 ft. 2 in. (17.73 m)
Length [over all with swim platform]91 ft. 2 in. (27.78 m)
Length overall - Detail54 ft. 8 in. (16.67 m)
Length overall - Detail85 ft. (25.90 m)
Length overall - Meters16.66
Length overall - Meters25.91
Length overall - Inches656
Length overall - Inches102
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeModified Vee
Hull typeDeep Vee
Engine and Drivetrain
Engine/s standardx2 MTU 825 hp (615 kW) each
Engine/s standard(2) MTV 8V 2000 M93
Fuel tank capacity - Detail713 gal. (2,700 l)
Fuel tank capacity - Detail2,500 gal. (9,460 l)
Fuel tank capacity - Liters2699
Fuel tank capacity - Liters9463.53
Fuel tank capacity - Gal713
Fuel tank capacity - Gal25
Fuel typeDiesel
Fuel typeDiesel
Drive typeInboard - Twin
Drive typeInboard - Twin
Engine max1,650 hp (1,230 kW)
Engine max1,220 hp (895 kW) each
Operational Info
Sleeping capacity6 to 8
Sleeping capacity8 - 12
Water capacity227 gal. (860 l)
Water capacity475 gal. (1,800 l)
Holding tank capacity - Detail40 gal. (151 l)
Holding tank capacity - Detail200 gal. (756 l)
Holding tank capacity - Liters151.42
Holding tank capacity - Liters757.08
Holding tank capacity - Gal4
Holding tank capacity - Gal2