Mercury Marine MerCruiser 4.2L 250 — Stage 1 / Stage 2 parameters
Mercury Marine MerCruiser 4.2L 250 — 1 engine in our calibration database (all diesel). 250 hp stock → 301 Stage 1 (+51 hp). The parameters are drawn from our engineers' work — every Stage 1 target is backed by a real file.
All Mercury Marine MerCruiser 4.2L 250 engines in the database
| Engine | Version | ECU | Stock | Stage 1 | Gain |
|---|---|---|---|---|---|
| 250 HP 250hp (184kW) 560Nm | I | — | 250 hp | 301 hp | +51 |
Calibration for Mercury Marine MerCruiser 4.2L 250 is done in licensed WinOLS5. DPF / EGR / AdBlue are switched off per the manufacturer's service documentation — with no pending DTCs after flashing.
Stock / Stage 1 / gain — all the figures are in the table below. Click an engine to see the details and place an order. Available options: DPF off, EGR off, AdBlue / SCR off, Lambda off, DTC off, Speed limiter off, Flaps off. The file is prepared in 30-60 minutes on the CHIPOK portal, paid with credits and no subscription fees.
Mercury Marine MerCruiser 4.2L 250 engines in our database: Volvo/Mercury 4.2L I6 250 hp marine. Specific ECU units: MerCruiser MEFI 4. Model-specific notes: MerCruiser 4.2L 250 — marine I6 250 hp; → Stage 1 280 hp; competitor Volvo Penta IPS / Yamaha Marine.