Buying a used 2-stroke outboard can be a cost-effective way to power your boat, but careful inspection is key. Check for corrosion, compression levels, and signs of excessive wear. Start the engine to ensure it runs smoothly and doesn’t emit excessive smoke. Inspect the lower unit for leaks and ensure the water pump is functional. Ask about maintenance history and avoid engines with unclear pasts. A well-maintained 2-stroke can be a great deal if chosen wisely. buying a used 4 stroke outboard