Yamaha 250HP OX66 Saltwater Outboard Motor — 25" Shaft | Used, Inspected & Running
$3,999.99
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Nautilus Certified℠
This motor has passed our 15-point inspection and ships with a signed inspection report — compression readings included. Learn about the program →
✓ US freight shipping available
✓ Caribbean freight available
✓ 15-point inspection & compression tested
Yamaha 250HP OX66 Saltwater Series Outboard Motor
Two-stroke — 25" extra-long shaft — Saltwater Series
| Horsepower | 250 hp |
| Engine type | Two-stroke (OX66 EFI) |
| Shaft length | 25" long shaft |
| Series | Saltwater Series — corrosion-resistant components |
| Compression | Checked — strong across all cylinders |
| Water pump | Inspected — good flow confirmed |
Condition overview
The Yamaha OX66 is one of the most sought-after two-stroke V6 motors ever built — known for massive power, bulletproof reliability, and easy serviceability. This unit has been compression tested across all cylinders, the water pump inspected for strong flow, idle confirmed stable, and shift engagement smooth in both directions. The Saltwater Series designation means stainless and corrosion-resistant components throughout, making it ideal for coastal and island use. Runs strong through the full RPM range.
Researching the OX66? Read our complete guide covering model year differences, known issues, what to inspect, and fair market prices. OX66 buying guide (1996–2004) →
What ships with this motor
- Rigging harness
- Throttle control assembly/key
Not included
- Propeller
- Hydraulic steering cylinder
Shipping: We freight-ship to the continental US and to St. Vincent, Grenada, and surrounding Caribbean islands — contact us for a freight quote to your location. All motors are palletized and freight-shipped; we coordinate pickup and delivery scheduling after purchase.
Yamaha 250HP OX66 Saltwater Outboard Motor — 25" Shaft | Used, Inspected & Running
$3,999.99