Never buy "as-is." Seek a supplier offering at least a . Some offer labor coverage for an extra fee. 4. History Report

Ask for the or a run-test video. Check for signs of overheating or sludge under the oil cap. 🚩 Red Flags to Avoid

Ensure you get a bill of sale with the engine serial number. 🛠️ Pro Tip for Installation

Lower isn't always better if the engine sat for years. Look for engines with for the best balance of price and longevity. 3. Warranty Terms