Description

1988 Yamaha 150 HP Inline 6-Cylinder Carbureted 2-Stroke 25″ (XL) Outboard Motor

The 1988 Yamaha 150 HP Inline 6-Cylinder Carbureted 2-Stroke 25″ (XL) Outboard Motor is a classic high-performance outboard recognized for its smooth power delivery, exceptional reliability, and rugged construction. Powered by a 1,872 cc (114.2 cu. in.) inline 6-cylinder loop-charged 2-stroke engine, this model delivers strong acceleration, excellent top-end speed, and refined operation thanks to its naturally balanced six-cylinder design. It became a popular choice for offshore fishing boats, center consoles, bass boats, ski boats, and commercial vessels during the late 1980s. 1988 Yamaha 150 HP 6 Cyl Carbureted 2-Stroke 25″ (XL)

Equipped with six carburetors, Precision Blend oil injection, electric start, and Power Trim & Tilt, the engine offers dependable performance with no need to premix oil and fuel. The 25-inch (XL Extra-Long Shaft) configuration makes it ideal for boats with higher transoms and offshore applications where additional shaft length improves propeller grip and handling in rough water. Yamaha’s durable marine-grade construction and proven CDI ignition system ensure reliable operation in both freshwater and saltwater environments. 1988 Yamaha 150 HP 6 Cyl Carbureted 2-Stroke 25″ (XL)

Specifications for 1988 Yamaha 150 HP 6 Cyl Carbureted 2-Stroke 25″ (XL)

• Model Year: 1988
• Engine Type: Inline 6-Cylinder, Loop-Charged, 2-Stroke
• Horsepower: 150 HP
• Displacement: 1,872 cc (114.2 cu. in.)
• Fuel System: Six Carburetors
• Oil System: Precision Blend Oil Injection
• Ignition System: CDI (Capacitor Discharge Ignition)
• Starting System: Electric Start
• Steering: Remote Steering
• Shaft Length: 25″ (XL Extra-Long Shaft)
• Trim & Tilt: Power Trim & Tilt
• Gear Shift: Forward, Neutral, Reverse
• Gear Ratio: 1.86:1
• Alternator Output: 20 Amps
• Recommended Full Throttle RPM: 4,500–5,500 RPM
• Fuel Type: Unleaded Gasoline (Minimum 87 Octane)
• Oil Type: TC-W3 Two-Stroke Outboard Oil
• Approximate Dry Weight: 395 lbs (179 kg)

Key Features for 1988 Yamaha 150 HP 6 Cyl Carbureted 2-Stroke 25″ (XL)

• Smooth-running 1.87L inline 6-cylinder 2-stroke engine.
• Six-carburetor induction system provides strong throttle response and consistent power delivery.
• Precision Blend oil injection eliminates manual fuel/oil mixing.
• Reliable CDI ignition system ensures dependable starting.
• 25-inch XL shaft designed for offshore boats and higher transoms.
• Power Trim & Tilt for improved performance and shallow-water operation.
• Excellent power-to-weight ratio for fast acceleration.
• Through-hub exhaust reduces operating noise and improves efficiency.
• Corrosion-resistant construction for long-lasting freshwater and saltwater use.
• Proven Yamaha engineering with straightforward maintenance and excellent durability.

Ideal Applications

• Offshore center console boats
• Bay boats
• Bass boats
• Ski and sport boats
• Walkaround fishing boats
• Utility boats
• Commercial fishing vessels
• Family runabouts

Why Choose the 1988 Yamaha 150 HP Inline 6?

The 1988 Yamaha 150 HP Inline 6-Cylinder Carbureted 2-Stroke remains a favorite among classic outboard enthusiasts for its smooth six-cylinder performance, dependable reliability, and strong overall power. Its 25-inch XL shaft is ideal for offshore and deep-transom boats, while the proven carbureted fuel system and Precision Blend oil injection provide simple operation and easy maintenance. Whether restoring a vintage vessel or looking for a durable outboard with legendary Yamaha engineering, the 1988 Yamaha 150 HP Inline 6 continues to deliver dependable performance on the water. 1988 Yamaha 150 HP 6 Cyl Carbureted 2-Stroke 25″ (XL)

Clean Used 1988 Yamaha 150 HP 6 Cyl Carbureted 2-Stroke 25″ (XL) Outboard Motor. Model number: 150ETXG. Serial number: 753978. Weight – 390lbs.120-125 PSI compression on all SIX cylinders. New Gear Oil. Oil injected. Original Paint. Has only been used in Fresh Water. Electric Start. Power Tilt/Trim.