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All Yanmar Saildrives feature the patented double-seal safety technology with audio warning device. These are lightweight, compact diesels with SD20 or SD60 drives. They help eliminate shaft vibrations, noise, alignment and space problems with their direct power-to-prop configuration. Boat balance, maneuverability and thrust are improved.

Reduction gear system Constant mesh gear with cone clutch
Reduction ratio (fwd / asn) 2.23/2.23, 2.49/2.49
Propeller speed (fwd / asn) 1345/1345, 1205/1205
Direction of rotation
(propeller shaft - fwd)
Clockwise & counter clockwise viewed from flywheel side
Dry weight Saildrive 40 kg (88 lbs)
 
 3JH5CE x SD604JH5CE x SD604JH4-TCE x SD60-T
Configuration
4-stroke, vertical, water cooled diesel engine
Maximum output at crankshaft 28.7 kW (39 mhp) / 3000 rpm1 39.6 kW (54 mhp) / 3000 rpm1 55.2 kW (75 mhp) / 3200 rpm1
Continuous rating output at crankshaft 26.7 kW (36.3 mhp) / 2907 rpm 36.8 kW (50 mhp) / 2907 rpm 50.2 kW (68 mhp) / 3100 rpm
Displacement 1.64 L (100 cu in) 2.19 L (134 cu in) 1.99 L (122 cu in)
Bore x stroke
88 mm x 90 mm (3.46 in x 3.54 in)
84 mm x 90 mm (3.31 in x 3.54 in)
Cylinders 3 4 4, 4-valves per cylinder
Combustion system
Direct injection
Aspiration
Natural aspiration
Turbocharged
Starting system
Electric starting 12 V - 1.4 kW
Alternator
12 V - 80 A
Cooling system Fresh water cooling by centrifugal fresh water pump and rubber impeller sea water pump
Fresh water cooling by centrifugal water pump and rubber impeller sea water pump
Lubrication system
Enclosed, forced lubricating system
Lubrication oil for Saildrive
SAE 15/40
Direction of rotation (propeller) Clockwise & Counterclockwise viewed from flywheel side Clockwise & counterclockwise viewed from stern Clockwise & Counterclockwise viewed from flywheel side
Dry weight- engine & gear 213 kg (470 lbs) 241 kg (531 lbs) 249 kg (549 lbs)
Environmental
EU RCD, US EPA Tier3, BSO II & EMC
Engine mounting
Rubber type flexible mounting