Market Position:
Entry-level auxiliary sailboat engines for Yachts 20-30 feet
Target Audience:
Boat owners, marine technicians, DIY mechanics
Competitive Advantage:
Lightweight, compact, fuel-efficient, raw-water cooled
Key Features:
Simple maintenance, reliable starting, parts availability
Engine Mechanical:
Cylinder head, block, pistons, crankshaft
Fuel System:
Fuel injection pump, injectors, filters
Cooling System:
Raw water pump, thermostat, heat exchanger
Lubrication System:
Oil pump, relief valve, filter
Electrical System:
Starter, alternator, wiring schematics
Transmission:
Marine gear, clutch, linkages (if equipped)
Exhaust System:
Mixing elbow, muffler, piping
Propulsion:
Propeller shaft, couplings, stern tube
Diagnostics:
Troubleshooting charts, symptom-based flow
Disassembly:
Step-by-step with torque sequences
Inspection:
Wear limits, tolerances, cleaning
Reassembly:
Clearances, sealants, torque specs
Adjustments:
Valve lash, injection timing, idle speed
Testing:
Compression, oil pressure, cooling system
Specifications:
Comprehensive torque, clearance, and wear data
Diagrams:
Wiring schematics, exploded views, cutaways
Component Identification:
Part numbers and cross-references where applicable
Service Kits:
Recommended parts for routine maintenance
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine Type:
Single-cylinder, four-stroke diesel
Bore x Stroke:
75 mm x 72 mm
Power Output:
9 hp (6.6 kW) at 3600 rpm
Fuel System:
Mechanical fuel injection
Engine Type:
Two-cylinder, four-stroke diesel
Bore x Stroke:
75 mm x 72 mm
Power Output:
18 hp (13.2 kW) at 3600 rpm
Fuel System:
Mechanical fuel injection
Cooling:
Raw water cooled
Combustion Chamber:
Direct injection
Aspiration:
Naturally aspirated
Standard Transmission:
Mechanical marine gear
Optional Transmission:
N/A - not offered as factory option
Reduction Ratio:
Typically 2.0:1 to 2.6:1 (varies by application)
Features:
Forward/neutral/reverse, cone clutch
Control:
Single-lever mechanical cable
Oil Change:
Every 100 hours or annually
Oil Filter:
Every 200 hours or annually
Fuel Filter:
Every 200 hours or annually
Impeller:
Every 200 hours or annually
Valve Clearance:
Every 500 hours
Injector Service:
Every 1000 hours
Engine Oil:
SAE 15W-40 API CD or higher
Coolant:
Raw water - no antifreeze required
Transmission Oil:
SAE 30 or manufacturer recommendation
Common Wear Items:
Impeller, fuel filters, exhaust elbow
Typical Problems:
Raw water pump seal leaks, fuel system air ingress