Yamaha 250HP 4-Stroke Outboard Motor (2006)
$9,500.00
Yamaha 250HP 4-Stroke Outboard Motor (2006)
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Shaft Length: 25-inch Ultra-Long Shaft (Standard for deep-V hulls and center consoles)
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Production/Manufacturing Date: 02/06 (February 2006)
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Engine Hours: ~1,000 Hours
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Compression Profile: High and healthy across all cylinders (Tested at 180 PSI)
Rigging & Accessories Toolkit Included
This setup provides everything required to re-power or set up a new hull right away:
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Gauges: Factory-matched Yamaha digital marine instrumentation.
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Wiring Harness: Complete main command-link/analog engine rigging harness.
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Steering System: Full hydraulic steering cylinder, hoses, and helm kit assembly.
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Propeller: Premium high-performance polished stainless steel marine propeller.
Technical Breakdown & Core Performance Specs
| Component Classification | System Feature | Performance Benchmarks & Factory Specs |
| Power Plant & Architecture | Engine Base Configuration | 24-Valve, DOHC 60° V6 (First-generation 3.3L platform) |
| Rated Output | 250 HP @ 5,500 RPM | |
| Operating Power Range | 5,000 – 6,000 RPM | |
| Fuel Management System | Multi-Point Precision Electronic Fuel Injection (EFI) | |
| Gear Ratio / Shifting | 1.75:1 / Mechanical Remote Control (F-N-R) | |
| Charging & Fluids | Alternator Output | High-capacity charging system with built-in regulator |
| Recommended Fuel Quality | Regular Unleaded Gasoline (87–89 Octane minimum) | |
| Recommended Engine Lubricant | Yamalube® 4M Marine Outboard Engine Oil | |
| Dimensions & Structure | Dry Engine Mass | Approximately 562 lbs for the 25″ shaft version |
| Trim & Tilt Assembly | Power Trim and Tilt (PTT) with integrated transom brackets |
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Description
Crucial Engineering & Maintenance Highlights
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Brand New Factory Exhaust System Installed: This specific engine has been fitted with a brand-new exhaust kit. This is an incredible upgrade for a 2006 Yamaha V6 4-stroke, as early production models were historically prone to mid-section exhaust coating degradation and dry-exhaust corrosion from salt exposure. Replacing this ensures structural longevity and eliminates the single biggest risk factor associated with this motor generation.
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Strong Cylinder Compression (180 PSI): Registering a robust 180 PSI across the board shows that the internal cylinder walls, rings, and valves are sealing brilliantly with minimal blow-by, ensuring the motor still produces its full 250-horsepower rating even at 1,000 operational hours.
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Legendary 3.3-Liter Reliability: Known as one of the most bulletproof outboard engine blocks ever built, the initial 3.3L V6 platform delivers exceptional low-end torque, clean fuel economy, and outstanding trolling capabilities compared to legacy two-stroke motors.












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