Catalog/ Boats/ Yanmar/ 4BY180
← Yanmar 4BY180 engines

Yanmar 4BY180 173 HP 173hp (127kW) 360Nm

I · 173 hp
Stage 1
OriginalAfter tuningDiff
Power hp173 215 +42
Torque Nm360 425 +65
Power gain
+24%
Torque gain
+18%
Ready to feel these +42 hp on the road?
Get your ready-to-flash Stage 1 file for the Yanmar 4BY180
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Stage 1 file from €120
Exact price depends on the ECU — confirmed when you upload the file
✓ Original file back-up ✓ Delivered in ~30 min ✓ Support included
Power graph / Stage 1
PowerTorqueStock
dyno graph
Original ECU files for Yanmar Marine 4 stock (ORI) files · €20 per file →