4BY2-150Z Marine
Yanmar 4BY2-150Z · 4BY2 family — specifications, its industrial/tractor base engine, cross-referenced parts and where to buy them.
🚜 Base engine confirmed
The Yanmar 4BY2-150Z is the emissions trim of the marinized BMW N47D20 2.0 L. Internals cross to BMW N47; marinized externals are Yanmar-only. No BMW donor BOM loaded yet. source
150 hp110.3 kW
1995 ccdisplacement
84×90 mmbore × stroke
4-cylcylinders
2008–2014year range (approx)
Turbo + ICaspiration
emissions trim of 4BY2-150
Cheaper-part coverage · 4/8
🚜 Base engine ✓🌀 Impeller ✓💧 Raw-water pump🛢️ Oil filter ✓⛽ Fuel filter🌡️ Thermostat➰ Belt⚓ Anode ✓
A ✓ means at least one cheaper channel — aftermarket, the tractor/industrial base engine, or a standard component — exists for this engine in that category.
📚 Manuals & Sources
Specs— none yet
Operator's Manual— none yet
Service / Workshop Manual— none yet
Parts Catalog / List— none yet
External links — we host none of these documents.
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- Category
- Marine
- Engine family
- 4BY2
- Year range (approx)
- 2008–2014
- Cylinders
- 4
- Rated output
- 150 hp (110.3 kW)
- Bore × stroke
- 84 × 90 mm
- Displacement
- 1995 cc
- Max rpm
- 4000
- Continuous rpm
- 3876
- Aspiration
- Turbocharged + intercooled