2023 Yamaha V MAX 90HP In-Line 4 – 20″ Shaft

• Quiet Power and Performance: The I-4 V MAX SHO® design maximizes combustion efficiency in a way that no two stroke can, delivering clean, quiet power and performance.
• Midrange Power and Response: The V MAX SHO® 175 and 150 feature Variable Camshaft Timing, which optimizes the angle of the intake camshaft to increase power and throttle response in the low- and mid-RPM ranges.
• Fuel Efficient: In-line Four V MAX SHO® designs are up to 40% more fuel efficient than traditional carbureted two strokes.
• Optimum Power: Precision Multi-Point Electronic Fuel Injection and long-track intake system combine to maximize power and fuel efficiency across the line of In-Line Four V MAX SHO® outboards.
• Power Management: An array of advanced sensors constantly provide vital atmospheric and engine conditions to the Engine Control Module (ECM), which instantly makes the precise adjustments for optimum performance.

• Unbeatable Reliability: The I-4 V MAX SHO® 175 and 150 feature a Cowling Drain System and Air Intake Labyrinth System to trap and drain water that enters their cowlings during normal operation.
• Better Lubrication: Wet sump pump lubrication that uses a pressurized oil delivery system through an oil pump.
• Engine Warning System: This system protects the outboard with a range of functions including: overheat protection and low-oil-pressure warning (automatically reducing maximum RPM to 2000), over-rev protection, water-in-fuel detection, start-in-gear protection and shift-in prevention at open throttle.
• Corrosion Protection: Combined with our proprietary alloy (YDC-30), our exclusive Phaze Five™ electro-deposited, anti-corrosive paint system provides a tough, five-layer barrier against corrosion. This protection is standard on all Yamaha I-4 V MAX SHO® four-stroke engines.

• Extra Space: A four stroke in-line design means there’s no need for an external oil tank. That means less weight and more storage room in the boat for tackle and gear.
• Ample Charging Power: With 50 amps for the I-4 V MAX SHO 175 and 150, and 35 amps for the 115 and 90, their alternators produce enough power for battery charging and a range of on-board electronics.
• Easy Rigging: I-4 V MAX SHO® outboards feature mechanical controls for easy, convenient rigging with most bass, bay and flats boats, and are compatible with analog, 6Y5 digital or Command Link® gauges.

• Only 353 pounds
• Available in 20” or 25” shafts
• Powerful 35-amp alternator
• Optional Variable Trolling RPM via the Command Link tachometer or our new, helm-mounted remote VTS® Switch

• Engine Type: Inline 4
• Displacement: 1.8L
• Bore x Stroke: 81 x 88.9mm (3.19 x 3.5in)
• Prop Shaft Horsepower: 90hp @ 5500 RPM
• Full Throttle RPM Range: 5000 – 6000 RPM
• Alternator Output at W.O.T.: 35 amp
• Compression Ratio: 10.0:1
• Fuel Induction System: EFI
• Weight †: 353 lbs
• Recommended Fuel: Regular Unleaded (Minimum Pump Octane 87)
• Recommended Engine Oil: Yamalube® 4M (See owner’s manual)
• Recommended Fuel Filtration: Yamaha 10-Micron Fuel/Water Separating Filter (external)
• C.A.R.B. Rating: 3-Star
• Exhaust: Through Propeller
• Intake: 16
• Ignition: TCI Microcomputer
• Spark Plug: LFR5A-11
• Alternator Output: 35 amp
• Starting System: Electric w/ 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: (28/12) 2.33
• Gear Shift: F-N-R
• Shaft Length: 20″
• Degree of Tilt: -4° through +66°
• Degree of Trim: -4° through +16°
• Dry Weight: (160 kg) 353 lbs
• Mounting Centers: 26″
• Steering Angle (maximum): 35° from center, either direction
• Warranty: Limited Pleasure Three Years, Government Three Years, Commercial One Year.

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