Description
Yamaha F350 V8 Professional Mail-In ECU Tuning Service
Unleash the full power of your Yamaha F350 V8 outboard with N2 Speed's professional mail-in ECU tuning service. The 5.3L V8 is Yamaha's proven big-block platform — the engine that redefined offshore performance when it launched. Our professional tuning calibrations unlock the substantial performance headroom Yamaha builds into this flagship engine.
What's Included
- Full ECU bench read — factory V8 calibration extraction and secure backup
- Custom V8 performance calibration — aggressive fuel maps, optimized ignition advance, rev limiter adjustment, and throttle response tuning
- Multi-engine matching — twin and triple F350 setups calibrated for synchronized operation
- Return shipping included
- 24–48 hour turnaround — priority V8 bench service
Performance Gains
- 15–30% horsepower increase from the 5.3L V8 platform
- 10–20% improved fuel economy at cruising RPM
- 5–10 mph higher top speed depending on hull and prop selection
- Explosive hole shot improvement — get heavy offshore hulls on plane faster
- Refined power curve with linear throttle response from idle to WOT
Compatible Engines
- Yamaha F350 (V8 5.3L, 2007–Present)
- Yamaha F350A (V8 5.3L, updated models)
How It Works
- Order this service and receive shipping instructions
- Ship your ECU to N2 Speed in Pompano Beach, FL
- V8 calibration custom-tuned within 24–48 hours
- Tuned ECU ships back
- Reinstall and dominate
Questions? Call (954) 406-8550 or contact us.
