What are the precautions after an engine overhaul?

[Alice]

Precautions after an engine overhaul include: 1. Avoid high engine speeds, preferably not exceeding 3000 RPM; 2. After a cold start, it's best to warm up the engine for a while before driving, usually about 5 minutes, until the water temperature changes; 3. Adhere to the vehicle's specified load capacity, preferably not exceeding 70% of the maximum load; 4. Try to avoid sudden acceleration and hard braking, as hard braking can cause significant impact damage to the engine, especially sudden acceleration, which can severely affect the running-in of new engine components and directly impact the fitting clearance between parts; 5. Anticipate sudden situations while driving, maintain a steady speed, and keep the speed between 50 to 80 kilometers per hour, but avoid prolonged low-speed driving. Pay attention to gear changes while driving and avoid staying in one gear for too long.