Boat / Jet Ski
Yanmar · 4Jh Series
4JH4-TCE 2.0L I475hp
From 2000 · 2000 → present
Tuning gain
+23HP
+48Nm
Stock HP
75hp
Tuned HP
98hp
Stock Torque
198Nm
Tuned Torque
246Nm
Power curve
Horsepower
+23 hpStock
75
Tuned
98
Torque curve
Torque
+48 NmStock
198
Tuned
246
Power & torque curves
Illustrative · interpolated from peak values- Stock HP
- Stock Nm
- Tuned HP
- Tuned Nm
Available tuning options· Chiptuning
stage 1vmax
About this tune
DynoVault's Stage 1 chiptuning for Yanmar 4Jh Series 4JH4-TCE 2.0L I475hp delivers a measured gain of +23 hp (75 → 98) and +48 Nm of torque (198 → 246). The ECU file is custom-mapped per variant and tested against the original safety margins for boost, fueling, and EGT. Available with a lifetime tune warranty and optional fuel-economy mode.
Benefits
- ▸Custom file guarantee.
- ▸Possibly of minimize fuel consumption.