Key Factors to Consider When Buying A Used Boat Engine

12 Feb 2024

A pair of Yamaha outboards attached to a boat.

Investing in a used boat engine can be a cost-effective way to power your Stacer boat (or whatever boat you have) if you’re currently in a financial bind right now. While it can be risky to buy a used engine, a lot of used engines for sale in the market are in peak condition and you can even find  “good as brand new” engines at a discounted price. To ensure you make a wise decision on buying a used engine, here are some key factors to consider when buying a used boat engine:

Type of Engine

There are various types of boat engines, such as outboard, inboard, and sterndrive. Each type has its advantages and considerations. The type of engine you choose depends on your boat’s design, purpose, and specific preferences. Search on Google the type of engine you’re planning to get and make sure to include the name of your area when you’re searching. For example, if you’re located in Gold Coast Queensland, type in “used boat engines for sale gold coast” or something similar to those keywords.   

Compatibility with Your Boat

Ensure that the engine is compatible with your boat's specifications. For example, if you’re getting a Yamaha outboard, consider factors such as weight, size, and power. An engine that is too powerful or too weak for your boat can impact its performance and safety. Refer to your boat's manufacturer guidelines to determine the appropriate engine specifications.

Hours of Use

The number of hours an engine has been in operation is a crucial factor. Like any mechanical device, boat engines have a lifespan, and the number of hours it has been used provides insight into its overall wear and tear. Make sure to look for this information first when you’re reading all the listings of the engines. Engines with excessively high hours may require more maintenance and could be nearing the end of their life. Avoid buying those models.

Maintenance History

Request detailed maintenance records from the seller. A well-maintained engine is likely to be more reliable and have a longer lifespan. Look for evidence of regular oil changes, tune-ups, and any significant repairs. A lack of maintenance records could be a red flag indicating potential neglect or hidden issues. Move on to other sellers/dealers if they can’t provide you with these records.

Fuel Efficiency

This is an important consideration especially if you plan or currently use your boat frequently. Older engines (15+ years and older) may be less fuel-efficient than newer models. Research the expected fuel consumption for the specific engine model you’re considering and factor this into your decision.

Seller Reputation

Research the reputation of the seller or dealership. If buying from an individual, inquire about their experience with the engine, the reason for selling, and their overall maintenance practices. For dealerships, read reviews and testimonials to gauge customer satisfaction and the quality of the products they offer.

Inspection

Conduct a visual inspection of the engine. Look for signs of corrosion, leaks, or unusual wear. Check the colour of the oil; clean oil is typically amber while dark or milky oil can indicate engine problems. Inspect the belts, hoses, and electrical components for any visible damage.

Performing a compression test is an effective way to assess the internal health of the engine. Low compression levels can indicate issues with cylinders, piston rings, or valves. A compression test should be part of your inspection as they are vital to how a boat engine works.

Ask the seller to demonstrate the engine's starting and running conditions. Pay attention to how easily it starts, any unusual noises, and the overall smoothness of its operation. An engine that struggles to start, emits strange sounds or runs unevenly may require extensive repairs.

When it’s time to buy the boat engine, make sure to focus on considering these factors:

Legal Documentation

Ensure that the engine comes with proper legal documentation, including the title and any relevant registration. Verify that the seller has the legal right to sell the engine and that there are no outstanding liens or legal issues.

Availability of Parts

Check the availability of replacement parts and other necessary boat engine accessories. Some older or less common models may have limited availability of spare parts, which could result in delays and increased costs for repairs. Opt for engines with readily available parts to ensure timely and cost-effective maintenance.

Return Policy

Inquire about any existing warranties or return policies offered by the seller. While used engines may not come with the same warranty as new ones, reputable sellers may provide some form of assurance regarding the engine's condition such as providing you with their engine servicing work.

Cost of Installation

Consider the cost of installing the engine on your boat. Installation costs can vary depending on the complexity of the process and any modifications. 

 

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