Description
Yamaha 252 / 255 Series Jet Boat — Twin 1.8L SVHO Supercharged PCM Tuning
Maximize the performance of Yamaha's flagship jet boat platform with N2 Speed's professional mail-in PCM tuning. The twin 1.8L SVHO supercharged engines in your 252 or 255 Series deliver up to 520 HP from the factory — and our expert calibrations push that even further with optimized boost, fuel, and ignition maps.
Compatible Models
- Yamaha 252SD / 252SE — 25ft premium sport boats
- Yamaha 255SD / 255XD / 255XE — 25ft premium sport boats
What's Included (Per PCM)
- Full PCM read and backup of your factory supercharged calibration
- Boost pressure optimization for safe maximum power
- Custom fuel map tuning matched to boost levels
- Ignition timing optimization under boost
- Throttle response and spool-up enhancement
- Rev limiter and speed adjustment
- Optimized acceleration for dominant hole-shots
- Enhanced towing power for wake sports
Performance Gains
The twin SVHO platform delivers incredible gains from PCM tuning. Expect 30–50+ combined HP gains (across both engines), dramatically faster acceleration, improved supercharger response, stronger towing power for wakeboarding at any speed, and an overall more exhilarating driving experience.
Twin-Engine Pricing
This listing covers one PCM/ECU. For complete twin-engine optimization, order two units for a matched pair of calibrations. Both engines will be tuned to identical specifications for balanced, symmetrical performance.
How It Works
- Order & Ship: Purchase this service (×2 for twin engines) and carefully ship your PCM(s) to our Pompano Beach, FL facility
- Tune & Test: Our technicians read, calibrate, and flash your optimized tunes — typically completed within 1–2 business days
- Return & Ride: We ship your tuned PCM(s) back. Reinstall and feel the supercharged difference
Why N2 Speed for Twin Supercharged Tuning?
Twin supercharged marine engines demand expert-level calibration with matched outputs. N2 Speed's team has deep experience with forced-induction platforms, ensuring both engines produce identical power curves for safe, balanced performance.
Questions? Call us at 954-790-7824
