Part of the Yanmar Operator Manuals.
An oil pressure warning at the helm gives you seconds to decide, and the right decision is written in one place. Yanmar publication 0ASYM-G00201 is the operation manual the factory issued for the 8SY-STP and the wider 8SY series of marine engines, delivered here as an 82 page PDF with 141 bookmarks so every section is a click away.
It walks you through daily checks, fuel, oil and coolant specifications, bleeding the fuel system, starting at low temperatures, the full periodic maintenance schedule, and preparation for long-term storage. When you are alone in the engine room with an alarm sounding and nobody left to call, this is the reference that tells you what the EMS S6 engine management system is reporting and what to do next.
Buy it once and it stays with the engine: keep the file on your phone, print the pages you will grease up at the bench, and stop guessing at intervals and capacities.
Complete the set for your 8SY-STP, 8SY Marine Engines, 8SY
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 11-18 | Safety Precautions (Before You Operate, During Operation and Maintenance), Safety Decals |
| Product Overview | 19-26 | Yanmar 8SY-Stp Features and Applications, Component Identification (Location of Nameplate, Engine Nameplate), Major Components |
| Before You Operate | 27-38 | Diesel Fuel (Specifications, Filling the Fuel Tank, Bleeding the Fuel System) |
| Engine Operation | 39-44 | Starting the Engine (Starting at Low Temperatures), Shutting Down the Engine, Checking the Engine After Operation |
| Periodic Maintenance | 45-72 | Safety Precautions |
| Long-Term Storage | 73-74 | Prepare Engine for Long-Term Storage |
| Specifications | 75-76 | Principal Engine Specifications |
| EPA Warranty Usa Only | 77-81 | Yanmar Co., Ltd. Limited Emission Control System Warranty - Usa Only, Your Warranty Rights and Obligations:, Warranty Period:, Warranty Coverage:, Exclusions: |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Exhaust/water mixing elbow cleaning interval | Every 250 hours or one year | p. 51 |
| Seawater pump impeller replacement interval | Every 250 hours or one year | p. 51 |
| Fuel filter element replacement interval (subsequent) | Every 250 hours or one year | p. 50 |
| Air intake filter element cleaning/replacement interval | Every 250 hours or one year | p. 51 |
| Air cleaner filter replacement condition | sooner than every 500 hours if the restriction indicator is red | p. 56 |
| Heat exchanger rear cover nuts torque | 92 N-m (19 ft-lb) | p. 66 |
| Engine Displacement | 15.6 L (952 cu in.) | p. 75 |
| Compression Ratio | 16:1 | p. 75 |
| Rated Output at Crankshaft | 662 kW at 2300 rpm (900 hp at 2300 rpm) | p. 75 |
| Low Idle Speed | 600 rpm | p. 75 |
| Battery Capacity - Recommended | 160 Ah | p. 75 |
| Coolant Capacity with Expansion Tank | 75 L (20 gal) | p. 75 |
