SY Series (720 - 900mhp)
 
 
Yanmar SY Series Marine Diesel Engine
(720 - 900hp)
 

Yanmar's renowned technology for building lightweight high-performance diesels now includes big power engines displacing up to 16 litres. The all new 8SY-STP at 900hp (662kW) and the 6SY-STP at 720hp (530kW) are the latest additions to the range of Yanmar engines for luxury craft.

Discerning boaters expect their new cruisers and motor yachts to be built with vision and pride. They want nothing but the best from bow to stern.

And therein lies a fundamental key to Yanmar's continued success with its big power diesels and their extra performance. These state-of-the-art propulsion systems assure you of maximum enjoyment, wherever your boating takes you.

Yanmar engines are true pearls of the ocean, cultivated to give you the freedom to pursue those personal dreams.

 

Benefits:

· Higher power from low weight
· Built for thorough reliability
· Compact dimensions
· State-of-the-art electronics
· Optimised output
· Fuel efficient
· Fresh water cooled
· Low emissions
· Easy to service
· Worldwide support

 

 


6SY-STP
[Click image to enlarge]


8SY-STP
[Click image to enlarge]








  6SY-STP 8SY-STP
Type 4-stroke, veritcal, water cooled diesel engine
Cylinders 6 in line V8-type 90°
Maximum Power 720mhp @ 2300rpm 900mhp @ 2300rpm
Continuous Power 550mhp @ 2100rpm 655mhp @ 2100rpm
Cooling System Fresh water cooling by centrifugal fresh water pump and rubber impeller
seawater pump
Bore x Stroke (mm) 127 x 154
Displacement 11.7 litres 15.6 litres
Dry Weight (engine only) 1150 kg 1650 kg
   
 

Standard Package
· Alternator
· Protection cover for belt transmission
· Transmission oil cooler
· Water level sensor
· Engine control harness
· Engine control components including:
- Control lever
- LCD display
- Backup throttle control system

Optional
· Dual station control elements
· Extra LCD display
· Various engine monitoring gauges
· Electronic oil draining pump
· Crankshaft pulley
· Additional alternator
· Engine heater
· Extra rear PTO
· Hydraulic pump
· Exhaust mixing elbow

 

Brochure - 8SY-STP
Brochure - 6SY-STP

 

Line drawing - 6SY-STP / ZF325A
Line drawing - 6SY-STP / MG5095SC
Line drawing - 8SY-STP / ZF350A
Line drawing - 8SY-STP / MG5114IV



Download -6SY-STP / ZF325A Drawings - ZIP file
Download - 6SY-STP / MG5095SC Drawings - ZIP file
Download - 8SY-STP / ZF350A Drawings - ZIP file

Download - 8SY-STP / MG5114IV Drawings - ZIP file

Drawings are in Drawing Interchange Format (DXF)
 

Download free DXF Viewer here [6.7MB]
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