ENGINE FAMILY L4 SHO 2.8L NIZPRO GAINS+65HORSEPOWER+15%FUEL ECONOMY

Yamaha 4 Cyl 2.8L SHO 231 FSR (VF150)

Yamaha VF150 SHO — 2.8L 4-cylinder Super High Output, model years 2012 to present. Nizpro's 231 FSR Performance Repower is the dedicated calibration for this platform.
$949
Mobile install across South Florida

About this tune.

Go further, faster — every day. The Nizpro Marine 231 FSR Performance Repower for the Yamaha VF150 SHO is a dedicated calibration developed specifically for this platform. Stock VF150 SHO measures 166.4 hp on the dyno; tuned, it makes 231.1 hp at the prop — a real, dyno-verified gain of nearly +65 horsepower. You'll feel it as sharper throttle response, stronger pull off the bottom, and more usable power right through the cruise band. Whether you're running the Bay or crossing to Bimini, this calibration delivers the balance you want: more power, better cruise economy, factory reliability preserved.

The motor.

What we tune. Yamaha builds the engine. Nizpro recalibrates the brain. We install the calibration at your slip.

Yamaha VF150 SHO outboard — front stern view of the cowling
Yamaha VF150 SHO — 2.8L 4-cylinder Super High Output. The platform Nizpro's 231 FSR calibration was built for.
Yamaha VF150 SHO V-MAX SHO outboard — close-up of cowling branding
VMAX SHO 150 — same engine, same 231 FSR calibration. Nizpro tunes both badges identically.

Dyno data.

Real Nizpro Marine DynoLog test data for the 4 Cyl 2.8L SHO 231 FSR (VF150) platform. Stock factory output below, Nizpro Tuned output above. Power and torque across the full rev range — no marketing curves, no projections.

Nizpro DynoLog chart for the 4 Cyl 2.8L SHO 231 FSR (VF150) — stock vs Nizpro tuned power and torque.
Nizpro DynoLog test data — Yamaha VF150 SHO 2.8L L4 with the 231 FSR Performance Repower. Stock: 166.4 hp @ 4,950 rpm, 202.3 ft-lb torque @ 3,600 rpm. Nizpro Tuned (231 FSR): 231.1 hp @ 6,100 rpm, 225.4 ft-lb torque @ 4,900 rpm. Power and torque measured across the full rev range. Source: Nizpro Marine.

What's included.

231.1 hp peak measured

Stock 166.4 hp → tuned 231.1 hp. Real Nizpro dyno data, not advertised numbers.

+23 ft-lb torque

Stock 202.3 ft-lb → tuned 225.4 ft-lb. Stronger pull where you feel it.

Up to ~15% MPG

Cruise fuel economy gains on the SHO platform.

Reliability preserved

Tune stays inside the engine's design envelope. 89 MON minimum fuel.

Specifications.

Engine Family4 Cyl 2.8L SHO 231 FSR (VF150)
FitsYamaha VF150 SHO — 2.8L 4-cylinder Super High Output, model years 2012 to present. Nizpro's 231 FSR Performance Repower is the dedicated calibration for this platform.
Tune TypeNizpro Marine ECU Performance Repower
Output Target→ 231 hp
InstallMobile — at your boat. Most jobs completed same day.
Service AreaMiami-Dade · Broward · Palm Beach
ReversibleYes — flash can be reverted to OEM at any time.
Required Fuel89-octane US pump fuel minimum.
Frequently Asked

Honest answers, straight up.

Will a Nizpro tune void my Yamaha warranty?

ECU tuning is a modification, so it can affect Yamaha's warranty position depending on the engine and the specific issue. Nizpro's tunes stay inside the engine's design envelope and are reversible to the OEM calibration at any time, but we always recommend talking to your local Yamaha dealer about your individual situation. We'll give you straight answers — we don't make warranty promises we can't keep.

What fuel do I need to run after a tune?

A minimum of 89-octane US pump fuel is required to run any Nizpro performance tune safely. Premium (91+) is fine and won't hurt anything. Regular 87-octane is not approved — running lower-octane fuel can cause knock and undo the gains the tune is designed to deliver.

How long does the tune installation take?

Most ECU reflashes are completed the same day. The actual flash takes under an hour — most of the appointment is diagnostics, baseline data logging, and a road test afterward. Plan on a few hours start to finish. Larger installs or troubleshooting can take longer.

Is the tune reversible?

Yes. The Nizpro flash can be reverted to the original Yamaha OEM calibration at any time. If you sell the boat, change your mind, or need to take the engine to a Yamaha dealer for unrelated service, we can put it back to factory.

How much fuel economy will I actually gain?

Real-world cruise economy gains typically run 5–20% depending on the engine, the prop setup, the hull, and how you operate. Some Yamaha platforms — like the VF SHO V6 — see published Nizpro test data of up to 27% at cruise. We won't promise a specific number on your boat until we know your setup, but the range is consistent and well-documented across hundreds of installs.

Do you tune engines other than Yamaha?

We're Yamaha specialists exclusively. Nizpro is a Yamaha-only performance shop, and that focus is part of why their calibrations are so well-developed. If you've got a Mercury, Suzuki, or Honda outboard, we're not the right shop — we'll tell you that honestly.

What does the tune cost?

Tune pricing varies by engine family — a 4-cylinder F-series flash and a V8 5.6L Performance Repower are different products at different price points. Call (305) 482-1121 or send us your engine model and year and we'll give you a straight quote.

Get Started

Ready for your L4 SHO 231 FSR tune?

Tell us your engine model, year, and where the boat is. We'll confirm availability and schedule your mobile install.

Call (305) 482-1121

Nizpro Marine performance tunes require a minimum of 89-octane US pump fuel and adherence to Yamaha's recommended service intervals. Performance gains vary by engine model, year, propeller setup, hull configuration, and operating conditions. ECU tuning is a modification — implications for any factory warranty depend on Yamaha and the specific issue.

Yamaha® is a registered trademark of Yamaha Motor Co., Ltd. Nizpro® and Nizpro Marine® are registered trademarks of Nizpro Marine Pty Ltd. Performance Tech Marine is an authorized Nizpro Marine dealer and is not affiliated with or endorsed by Yamaha Motor Co., Ltd. All product names, logos, and brands are property of their respective owners.