Yamaha VF90 1.8L SHO Nizpro 123 Slingshot ECU Tune

Unlock stronger real-world performance from your Yamaha VF90 1.8L SHO with the Nizpro 123 Slingshot calibration, designed to improve acceleration, throttle response, and overall drivability while keeping the engine responsive and easy to use.

This calibration is ideal for owners who want their VF90 to feel stronger and more responsive across the RPM range without sacrificing everyday usability. The biggest gains are where most boaters actually use the engine: getting on plane, pulling through the mid-range, and carrying load more efficiently.

Performance Data
Tuned Output: 123 HP
Tune Type: Slingshot
RPM Limiter: 6500 RPM
Minimum Fuel Required: 87 Octane

What this tune improves

The Nizpro 123 Slingshot calibration is built to deliver a stronger and more refined powerband than stock.

Real-world improvements include:

• Faster hole shot and reduced time to plane
• Sharper throttle response
• Stronger mid-range pull
• More usable performance with passengers or gear
• Better overall drivability

Compatible Engines

This product is for Yamaha VF90 1.8L SHO applications.

ECU Compatibility
Compatible ECU part numbers may include:

• 6HK-00, 6HK-01, 6HK-02
• Not Listed / Unsure

How to order

• Select your Service Type
• Select your ECU Part Number (Abridged)
• Complete checkout
• If you selected mail-in service, ship your ECU to us using the instructions provided after purchase
• We flash and return it quickly so you can get back on the water

Service Options

Mail-In ECU Service
For customers anywhere in the U.S. Remove your ECU, ship it to us, and we will flash and return it.

Local Mobile Flash Service (Florida)
We will pull your ECU for you and flash it on site. Available for qualifying local appointments within 40 miles of Ormond Beach, FL.

Important before ordering

Please verify your engine model and ECU part number before purchasing. If you do not see your ECU listed, select Not Listed / Unsure. We will verify compatibility before flashing.

Notes
Performance results can vary based on hull, prop, load, fuel quality, and operating conditions.