Engine power
Power hp
+4 hp
Original 19 hp
Stage 1 23 hp
Gain +4 hp
Yamaha Outboard F25 04L l2
ECU Chiptuning Performance Results
Estimated power and torque gains after Stage 1 ECU remapping
Engine torque
Torque Nm
+5 Nm
Original 25 Nm
Stage 1 30 Nm
Gain +5 Nm
Estimated Stage 1 gains are calculated from stock values using an approximate 20% increase. Actual performance improvements may vary depending on vehicle condition, fuel quality, hardware configuration and operating environment.
Chip tuning for the Yamaha Outboard F25 04L l2 is a precise adjustment of the engine’s electronic control unit (ECU) to enhance its performance and reliability. Unlike standard settings designed for general use, ECU remapping allows the engine’s operation to be adapted to specific operating conditions and driving styles. Modern outboard motors, such as Yamaha, operate under prolonged and often extreme loads. Standard control programs may not fully utilize the engine’s potential, limiting smoothness and operational stability.
The chip tuning process involves analyzing the current ECU firmware, specifically for the Mitubishi unit with processor 6FM-8591A-20-00, and making changes to the algorithms controlling fuel injection, ignition, and other parameters. At AutoChip.lv, we approach each stage of the process with meticulous care, ensuring accurate and safe remapping.
The goal is not simply to increase power, but to optimize engine operation for maximum reliability and longevity. This is achieved through more efficient fuel combustion, reduced stress on components, and improved engine response to steering inputs. The result is more confident acceleration, stable performance under load, and enhanced smoothness, which is particularly important for extended boating trips.
Chip tuning for the Yamaha Outboard F25 04L l2 allows you to unlock your engine’s potential and maximize your boating experience.
Specification
| Power (KW) | 19 |
|---|---|
| Power (HP) | 25 |
| Torque (Nm) | Torque (Nm) |
| Power (PS) | 26 |
| ECU Brand | Mitsubishi |
| ECU Version | 6FM-8591A-20-00 |
| ECU Micro | ECU Micro |
| Tools | KESS3 compatible Powergate not compatible |
| Connection | OBD not available |
| Year | 2016 |
| Type | Boats |
Choose your vehicle
To view the chip tuning options available for your vehicle, select the make, model, year and engine.