Yamaha In-Line Four V MAX SHO 90 Outboard Motor
$8,976.00
Yamaha VF90 for sale, an inline four-cylinder V MAX SHO outboard delivering 90 HP at 5,500 RPM at the propeller shaft, with a 1.8L displacement, EFI fuel induction, and a 20″ or 25″ shaft. Backed by Yamaha’s limited warranty program.
Yamaha VF90 for sale, an inline four V MAX SHO outboard engineered for high-output performance, delivering 90 HP at 5,500 RPM at the propeller shaft.
Yamaha VF90 for Sale: Engine Specifications
This engine is an Inline 4 design with 1.8L displacement and a bore x stroke of 81 x 88.9mm (3.19 x 3.5in). It uses Electronic Fuel Injection (EFI), a compression ratio of 10.0:1, and runs on regular unleaded fuel with a minimum pump octane of 87 and a maximum ethanol blend of 10%. Full throttle RPM range is 5,000–6,000 RPM, intake is 16-valve, and the engine carries a C.A.R.B. 3-Star emissions rating.
Yamaha VF90 Electrical, Ignition, and Lubrication
Ignition is handled by a TCI microcomputer system with an LFR5A-11 spark plug, and starting is electric with power trim and tilt (PTT). The alternator delivers 35 amp output at wide-open throttle. Lubrication is a wet sump system using Yamalube 4M recommended engine oil, with an oil capacity of 3.2L / 3.0L (with/without filter). Cooling uses water with thermostatic control, and recommended fuel filtration is a Yamaha 10-micron fuel/water separating filter (external).
Yamaha VF90 Shaft, Steering, and Mounting
The VF90 is available in a 20″ (L) or 25″ (X) shaft length, with mechanical remote steering, a gear ratio of 2.33 (28/12), and F-N-R gear shift. Maximum steering angle is 35° from center in either direction. Degree of tilt ranges from -4° through +66°, and degree of trim ranges from -4° through +16°. Mounting centers measure 26 inches, and exhaust routes through the propeller. Weight is 353 lbs for the 20″ shaft or 362 lbs for the 25″ shaft.
| Specification | Detail |
|---|---|
| Weight | 20″: 353 lbs / 25″: 362 lbs |
| Full throttle RPM range | 5000–6000 RPM |
| Fuel induction system | EFI |
| Recommended engine oil | Yamalube 4M |
| Engine type | Inline 4 |
| Displacement | 1.8L |
| Bore x stroke | 81 x 88.9mm (3.19 x 3.5in) |
| Prop shaft horsepower | 90 HP at 5500 RPM |
| Alternator output at W.O.T. | 35 Amp |
| Compression ratio | 10.0:1 |
| Recommended fuel | Regular unleaded, minimum pump octane 87 |
| Recommended fuel filtration | Yamaha 10-micron fuel/water separating filter (external) |
| C.A.R.B. rating | 3-Star |
| Exhaust | Through propeller |
| Intake | 16-valve |
| Ignition | TCI microcomputer |
| Spark plug | LFR5A-11 |
| Starting system | Electric with PTT |
| Lubrication | Wet sump |
| Engine oil capacity | 3.2L / 3.0L (with/without filter) |
| Recommended cooling | Water, thermostatic control |
| Ethanol blend limit | 10% maximum |
| Gear ratio | 2.33 (28/12) |
| Gear shift | F-N-R |
| Shaft length | L = 20″ / X = 25″ |
| Degree of tilt | -4° through +66° |
| Degree of trim | -4° through +16° |
| Mounting centers | 26″ |
| Steering | Mechanical Remote |
| Steering angle (maximum) | 35° from center, either direction |
| Warranty | Limited 3-Year Pleasure, 3-Year Government, 1-Year Commercial |
Contact us today to secure this Yamaha VF90 V MAX SHO, backed by Yamaha’s limited multi-tier warranty.

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