Used 2005 Mercury 90 HP FourStroke Carbureted Outboard Motor – 20" Shaft
This used 2005 Mercury 90 HP outboard has a four-cylinder carbureted four-stroke engine with electric start, remote steering, and power tilt and trim.
With a 20-inch long shaft and standard rotation, this motor has 175–185 PSI compression across all four cylinders, fresh gear oil, and new paint and decals. Engine hours are unknown.
Engine at a Glance
| Engine Type | Carbureted FourStroke |
| Cylinders | 4 |
| Shaft Length | 20 Inches (Long) |
| Weight | 386 lbs |
| Fuel System | Carbureted |
| Starting | Electric |
| Steering | Remote |
| Tilt & Trim | Power |
| Rotation | Standard |
| Compression | 175–185 PSI (All 4) |
| Engine Hours | Unknown |
| Model Number | 90ELPT 4S |
| Serial Number | 1B009126 |
Engine Condition & Testing
Reported condition and service details for this used Mercury 90 HP:
- 175–185 PSI compression across all four cylinders
- Fresh gear oil
- New paint and decals
- Electric start and power tilt and trim
New paint and decals improve the appearance but do not make this a new outboard.
Watch This Engine Run
Watch this Mercury 90 HP FourStroke in the running video.
Propeller, Controls & Rigging
Not Included:
- Propeller
- Remote controls and cables
- Battery
- Fuel tank and fuel line
- Engine stand
- Additional rigging unless specified
Verify shaft length, transom, steering, controls, and rigging compatibility before purchasing.
Shipping & Local Pickup
Freight shipping and local pickup are available from Marine Parts Warehouse in Scottsville, Kentucky. Use the freight quote tool on this page for an estimate.
Used engines are purchased by contacting our team by phone or callback request.
Have an Outboard to Trade In?
WE ACCEPT TRADES ON LOCAL PICKUPS ONLY!
Trade-ins require evaluation and approval. We do not accept trade-ins on shipped orders.
Important Purchase Information
This used outboard is sold as-is, with no returns, subject to applicable law. Review photos, compression readings, condition details, and the running video before purchasing.
Freight Delivery & Damage Inspection
If damaged, note details on the delivery receipt or Bill of Lading (BOL), obtain the driver's signature, and photograph damage on and off the truck when possible.
Email or mail the signed BOL to Marine Parts Warehouse for claim assistance. Retain the damaged engine up to two months for possible carrier inspection or possession.
Damage Reporting Limits
Documented on the signed delivery receipt or BOL.
Damage not documented at delivery.
Periods begin on delivery. Applicable carrier claim rules apply.
Questions About This Engine?
Contact Marine Parts Warehouse about condition, compatibility, purchasing, or shipping.