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Original price was: $9,000.00.$8,500.00Current price is: $8,500.00.
The Yamaha VF90 V MAX SHO 90HP 4-Stroke Outboard is a performance-focused 90 horsepower marine engine built around a 1.8-liter inline-four powerhead. The VF90 combines electronic fuel injection, a 35-amp alternator, electric starting, power trim and tilt, and Yamaha’s V MAX SHO performance design in a package suited to properly rated fishing and recreational boats.
For buyers searching for a Yamaha VF90 for sale, the important fitment details are the engine’s 90HP rating, 1.8L displacement, mechanical remote steering configuration, 2.33:1 gear ratio, and available 20-inch and 25-inch shaft lengths. The exact model suffix should always be matched to the boat’s transom and rigging requirements before ordering.
The VF90 is part of Yamaha’s In-Line Four V MAX SHO family. Yamaha describes the engine as a single-overhead-camshaft design with four valves per cylinder and 1.8 liters of displacement. Its relatively large displacement for a 90HP outboard is intended to provide strong midrange response while retaining the quiet and efficient operating characteristics of a modern four-stroke engine.
The VF90 is particularly relevant to anglers and boat owners who want a 90HP outboard with useful charging capacity, responsive acceleration, and flexible transom options. Yamaha offers the family in 20-inch and 25-inch shaft configurations, allowing the engine to be matched to different transom heights when the boat is approved for a 90HP outboard.
| Brand | Yamaha |
|---|---|
| Model | VF90 V MAX SHO |
| Horsepower | 90 HP |
| Engine type | Four-stroke, inline 4-cylinder |
| Displacement | 1.8L / 1,832cc |
| Bore x stroke | 81 x 88.9 mm |
| Fuel induction | Electronic Fuel Injection (EFI) |
| Valve configuration | Single overhead camshaft, four valves per cylinder |
| Full-throttle operating range | 5,000–6,000 RPM |
| Prop-shaft horsepower | 90 HP at 5,500 RPM |
| Alternator output | 35 amps at WOT |
| Compression ratio | 10.0:1 |
| Starting system | Electric with power trim and tilt |
| Gear ratio | 2.33:1 (28/12) |
| Gear shift | Forward, Neutral, Reverse |
| Steering | Mechanical remote |
| Shaft lengths | 20 inches (L) and 25 inches (X) |
| 20-inch dry weight | 353 lb |
| 25-inch dry weight | 362 lb |
| Recommended fuel | Regular unleaded, minimum pump octane 87 |
| Fuel filtration | Yamaha 10-micron external fuel/water separating filter |
| Lubrication | Wet sump |
| Engine oil capacity | 3.2L with filter / 3.0L without filter |
| Exhaust | Through propeller |
| Cooling | Water-cooled with thermostatic control |
| Ignition | TCI microcomputer |
| Mounting centers | 26 inches |
Yamaha’s published specifications list the 20-inch VF90 at 353 lb and the 25-inch version at 362 lb. Those dry-weight figures exclude motor oil, gearcase oil and the propeller, so the complete installed engine package will weigh more.
The VF90 uses a 1.8-liter, 1,832cc inline-four powerhead with an 81 x 88.9 mm bore and stroke. The four-cylinder layout gives the engine a substantial displacement base for its 90HP rating, while the single-overhead-camshaft design uses four valves per cylinder.
Yamaha rates the prop-shaft output at 90HP at 5,500 RPM, with a full-throttle operating range of 5,000–6,000 RPM. The correct propeller should be selected for the complete boat-and-engine combination so that the engine can operate within the manufacturer’s recommended RPM range under normal loaded conditions.
The Yamaha VF90 uses electronic fuel injection rather than a carbureted fuel system. EFI provides controlled fuel delivery and is suited to the precise engine management expected from a modern four-stroke outboard.
Yamaha specifies regular unleaded gasoline with a minimum pump octane of 87. Yamaha also lists a maximum ethanol blend limit of 10 percent and recommends an external 10-micron fuel/water separating filter. Maintaining clean fuel and proper filtration is particularly important on an EFI marine engine.
The VF90 has a 35-amp alternator output at wide-open throttle. This provides useful charging capacity for compatible marine electronics and onboard electrical equipment, including fish finders, navigation displays, radios and battery systems.
The alternator rating should not be interpreted as unlimited accessory capacity. The boat’s complete electrical system, battery arrangement and accessory load should be evaluated during a repower or new installation.
The Yamaha VF90 is available with both 20-inch and 25-inch shaft lengths. Yamaha identifies the 20-inch configuration as the L model and the 25-inch configuration as the X model. Shaft length should be selected according to the boat’s transom height and the engine’s exact model configuration.
A shaft that does not match the boat can cause installation and operating problems, including incorrect engine height, poor water pickup or ventilation. Before ordering a VF90, measure the transom and confirm the exact model suffix rather than choosing the shaft based only on the boat type.
The published dry weight is approximately 353 lb for the 20-inch configuration and 362 lb for the 25-inch configuration. Yamaha’s measurement excludes motor oil, gearcase oil and propeller.
When considering a repower, compare the complete installed weight with the boat manufacturer’s capacity information. The engine’s weight is only one part of the final package; controls, steering equipment, propeller, batteries, fuel and other installed equipment also affect the boat’s loaded weight and balance.
The VF90 is designed for boats properly rated for a 90HP outboard. Depending on the hull manufacturer’s specifications, potential applications include:
Actual performance depends on hull design, loaded weight, propeller selection, engine mounting height, water conditions and other installation variables. A boat should never be repowered above the horsepower or weight limits specified by its manufacturer.
A successful VF90 repower starts with the boat’s capacity plate and transom measurements. Confirm that the boat is approved for 90HP, determine the correct shaft length, and inspect the existing steering, throttle, shift and electrical systems before purchasing replacement rigging.
The published VF90 configuration uses mechanical remote steering and electric starting with power trim and tilt. Depending on the boat and existing equipment, a repower may require compatible controls, cables, wiring harnesses, gauges, steering components, mounting hardware and a properly matched propeller.
Do not assume that an existing rigging package will transfer directly to every VF90 configuration. Confirm the exact engine suffix and compatible Yamaha rigging components before installation.
Propeller selection should be based on the engine, hull, boat weight, gear ratio, mounting height and intended use. The goal is to allow the engine to operate within its specified 5,000–6,000 RPM full-throttle range when the boat is normally loaded.
Changing propeller pitch can affect acceleration, engine RPM and top-end performance. Because different hulls place different loads on the same engine, a propeller that works well on one VF90 installation is not automatically the correct choice for another boat.
Routine maintenance should follow the owner’s manual and the requirements for the exact VF90 configuration. Important service areas include engine oil, gearcase lubricant, fuel filtration, cooling-system components, spark plugs and general inspection of the steering and control systems.
The VF90 uses wet-sump lubrication and Yamaha lists an engine oil capacity of 3.2 liters with the filter or 3.0 liters without the filter. Use the correct lubricant and service procedure specified for the engine rather than relying on a generic outboard maintenance schedule.
For long-term reliability, inspect the fuel system for water or contamination, keep cooling-water passages clear, check the propeller and lower unit for damage, and follow Yamaha’s service intervals.
If you are comparing the VF90 with other engines, browse the Performance Engines Outboard Engines category to review other horsepower classes and manufacturers.
For a larger Yamaha application, compare the Yamaha F200 4-Stroke. If your boat is rated for a smaller engine, you can also compare available Yamaha and other outboards in the main outboard category before choosing the appropriate horsepower class.
The Yamaha VF90 V MAX SHO is rated at 90 horsepower, with Yamaha specifying 90HP at 5,500 RPM at the prop shaft.
The VF90 has a 1.8-liter, 1,832cc inline-four powerhead.
Yes. The VF90 uses electronic fuel injection (EFI).
The VF90 is available in 20-inch and 25-inch shaft configurations. The exact suffix should be matched to the boat’s transom requirements.
Yamaha lists the 20-inch configuration at approximately 353 lb and the 25-inch configuration at approximately 362 lb, excluding motor oil, gearcase oil and propeller.
The published full-throttle operating range is 5,000–6,000 RPM, with 90HP specified at 5,500 RPM.
The VF90 has a published 2.33:1 gear ratio, identified as 28/12.
Yes. Yamaha lists an electric starting system with power trim and tilt.
Yamaha specifies regular unleaded gasoline with a minimum pump octane of 87. Yamaha also lists a maximum 10 percent ethanol blend limit.
Yes. The published alternator output is 35 amps at wide-open throttle.
It can be suitable when the boat is properly rated for 90HP and the transom, shaft length, steering, controls, electrical system, engine weight and mounting requirements are compatible. Confirm the boat manufacturer’s specifications before installation.
Yes. The VF90 is part of Yamaha’s In-Line Four V MAX SHO outboard family.
Yamaha lists the VF90 with mechanical remote steering. Confirm the appropriate steering and control components for the exact installation.
Yes. Yamaha specifies an electric starting system with power trim and tilt.
Yamaha lists approximately 3.2 liters with the filter and 3.0 liters without the filter. Follow the owner’s manual for the correct service procedure and lubricant.
The primary published difference relevant to installation is shaft length. The 20-inch configuration is listed at 353 lb and the 25-inch configuration at 362 lb. Select the version that matches the boat’s transom and mounting requirements.
It can be appropriate for a bass boat when the hull manufacturer permits a 90HP engine and the engine’s weight, shaft length and rigging are compatible. Performance will depend on the complete boat-and-engine setup.
The Yamaha VF90 V MAX SHO combines 90HP output with a 1.8-liter inline-four engine, EFI, 35-amp charging, electric start, power trim and tilt, a 2.33:1 gear ratio and 20- or 25-inch shaft options. It is a strong candidate for compatible fishing and recreational boats that are properly rated for 90HP.
Before purchasing or installing a VF90, confirm the exact model suffix, transom height, steering and control requirements, boat capacity and propeller setup. If you need help confirming whether a particular configuration matches your boat, contact Performance Engines before completing the installation.
