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What to Do When a Motorcycle Won't Start After Long-Term Storage?

1 Answers

DeAndres

07/29/25 3:53pm

There are four main methods to address a motorcycle's failure to start after prolonged storage. Below is a detailed introduction to these four solutions: 1. Replace the gasoline: Under normal circumstances, gasoline that remains unused for more than six months will degrade in quality. It may also develop gum deposits, which can cause engine gumming and make starting difficult. Therefore, when a motorcycle fails to start, it is advisable to replace the old gasoline with fresh fuel. 2. Manually rotate the crankshaft quickly: When a motorcycle is left unused for an extended period, the engine loses lubrication from the oil, resulting in low cylinder pressure and insufficient lubrication for the crankshaft components. In such cases, manual intervention by quickly rotating the crankshaft can help. 3. Charge the battery: A motorcycle battery left unused for several months is typically in a discharged state. Promptly charging the battery should resolve the issue. 4. Replace the spark plug: If a motorcycle remains unused for a long time, the spark plug is likely to become damp. A damp spark plug can significantly hinder ignition. In this situation, the spark plug should be inspected first, and if found faulty, it should be replaced with a new one.

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