Best Second-Hand Outboard Motors for Boats and Dinghies
Answer: If you’re shopping for a reliable used outboard motor, focus on engines with solid corrosion resistance, reliable ignition systems, and appropriate shaft length for your boat. This guide highlights five well-rounded options and explains who each is best for, plus potential limitations. The top picks cover small inflatable boats, dinghies, mid-sized fishing craft, and light workboats. For quick comparison, see the summary table below.
| Product | Brand | shaft | Power | Ideal For |
|---|---|---|---|---|
| YIYIBYUS 2.3HP 52CC | YIYIBYUS | 70 cm | 2.3 HP | Inflatables, small dinghies |
| NAZEAOB 18HP 246CC | NAZEAOB | Long Shaft | 18 HP | Fishing boats, larger dinghies |
| Gosangom 3.5HP | Gosangom | Short Shaft | 3.5 HP | Small boats, kayaks |
| DUIBAII 18HP HangKai | DUIBAII | Short Shaft | 18 HP | Faster boats, robust workboats |
| BJTDLLX 6HP | BJTDLLX | Short Shaft | 6 HP | Inflatables, small craft |
YIYIBYUS 2.3HP 52CC Outboard Motor
Best for compact inflatables and small dinghies, this 2.3 HP, 52cc two-stroke motor delivers simple, lightweight operation. It features non-contact electronic ignition and a fuel mix ratio of 25:1, with a fuel tank capacity of 850 ml. Its aluminum/PP construction provides corrosion resistance and durability at a low weight, aiding easy handling for casual boaters and anglers.
Who it’s for: buyers needing a lightweight, easy-to-maneuver engine for calm-water setups or tender craft. Why selected: strong balance of portability and sufficient thrust for small vessels. Limitation: lower horsepower means slower planing and less torque for heavier loads or rough conditions.
Key Specs
- Power: 1.7 kW / 2.3 HP
- Displacement: 52cc
- Idle: 2800–3200 rpm; Operating: 4500–8500 rpm
- Fuel mixing: 25:1; Tank: 0.22 gal
NAZEAOB 18HP 246CC Two-Stroke Outboard
Best for mid-sized boats that require robust propulsion, this 18 HP two-stroke engine delivers strong performance at 4,500–5,500 RPM. Built with high-quality aluminum alloy, it offers durability and corrosion resistance for saltwater use. The motor has a three-gear (F-N-R) configuration and water cooling, supporting reliable operation and easier handling on longer trips.
Who it’s for: anglers and boaters needing extra power for larger outboard setups or faster travel. Why selected: the combination of solid power, long-term durability, and a high load capacity (about 2,204 pounds). Limitation: heavier engines may consume more fuel and require larger mounts or marine hardware.
Key Specs
- Displacement: 246cc
- Power: 18 HP
- RPM: 4,500–5,500
- Materials: Aluminum alloy
Gosangom 3.5HP 52cc Outboard Motor
Best for small boats and inflatable craft, this 3.5 HP engine uses a lightweight aluminum alloy body and a 2-stroke design. It offers a top performance up to 5,000 rpm, with a compact 36 x 14.17 x 5.9 inch footprint and a weight around 21.6 lbs. The model emphasizes fuel economy via a carburetor optimized for efficient combustion.
Who it’s for: sailors needing portable propulsion for short trips or back-up power. Why selected: excellent portability and cost-effective operation for small watercraft. Limitation: shorter shaft and lighter build may be less suitable for larger or rough-water conditions.
Key Specs
- Power: 3.5 HP
- Shaft: Short
- Weight: ~21.6 lbs
- Fuel efficiency: 0.3 gal/h approximate
HinLIaDa 2.3HP 52CC Outboard Motor
Best for compact, entry-level setups, this 2.3 HP motor emphasizes ease of handling and steering. It uses a 52cc engine with a high efficiency rating and a broad operating RPM range up to 8500 rpm. Steering angle exceeds 120°, aiding maneuverability in tight waters or around docks.
Who it’s for: casual boaters and small inflatables needing straightforward control. Why selected: strong steering leverage and reliable two-stroke performance for light tasks. Limitation: limited thrust may not suit larger or heavier boats.
Key Specs
- Power: 2.3 HP
- Displacement: 52cc
- Steering: >120°
DUIBAII 18HP HangKai Outboard Motor
Best for faster boats and demanding applications, this 18 HP two-stroke HangKai engine features a long-running fuel system with a 6.34-gallon external tank option and a maximum speed around 5,500 rpm. It uses a streamlined 8-inch three-blade propeller to maximize thrust and improve efficiency over longer runs.
Who it’s for: operators needing robust propulsion for medium to larger craft or longer trips. Why selected: high power output and fuel-efficiency improvements via carburetion. Limitation: shorter shaft may require mounting adjustments for some boats.
Key Specs
- Power: 18 HP
- Fuel capacity: external tank up to 6.34 gal
- RPM: up to 5500
BJTDLLX 6HP Short Shaft Outboard Motor
Best for inflatable boats and small craft requiring a compact, reliable 6 HP engine, this two-stroke motor uses corrosion-resistant cast aluminum and a built-in CDI ignition system. It includes a 360° steering rotation and enough power to propel small boats with confidence.
Who it’s for: buyers needing a compact, maneuverable engine for dinghies and light fishing craft. Why selected: versatile steering and robust build for saltwater or freshwater use. Limitation: short shaft may not suit deeper transoms or larger boats without extension.
Key Specs
- Power: 6 HP
- Shaft: Short
- Steering: 360° rotation
Buying Guide: How To Choose A Second-Hand Outboard Motor
- What boat size and weight will the engine need to move efficiently?
- Which shaft length matches your transom height and boat type?
- Is the ignition system reliable, and does it use a CDI or traditional points?
- What fuel type and mixing ratio does the engine require, and can you source fuel easily?
- How important is weight, portability, and ease of maintenance for you?
- Will you operate in saltwater, freshwater, or both, and does the motor have corrosion resistance?
Practical Comparisons
- Best for inflatables and small boats: YIYIBYUS 2.3HP and BJTDLLX 6HP.
- Best for medium boats and fishermen: NAZEAOB 18HP.
- Best for portability and quick trips: Gosangom 3.5HP and HinLIaDa 2.3HP.
- Best for higher speed and longer trips: DUIBAII 18HP HangKai.
FAQ
- Q: Are second-hand outboard motors reliable? A: Reliability depends on maintenance history, hours run, and storage conditions. Look for engines with clean ignition, no external damage, and a clear service history.
- Q: What shaft length should I choose? A: Short shafts suit small boats; long shafts fit transoms higher on larger boats. Match to your boat’s transom height.
- Q: Can I mix fuel for two-stroke engines? A: Yes, follow the manufacturer’s recommended fuel-oil ratio for proper lubrication and optimal performance.
- Q: How can I assess corrosion risk in a used motor? A: Inspect aluminum alloys and exterior surfaces for pitting, flaking, or excessive corrosion, especially near saltwater exposure.
- Q: Is it okay to buy a motor without a test run? A: If possible, request a brief test or vendor-reported run data to confirm starting and idle behavior before purchase.
- Q: What maintenance should I plan after purchase? A: Change the oil (for 2-strokes as applicable), inspect cooling passages, check propeller integrity, and verify fuel lines and clamps.