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Harley motorcycles may puke oil due to a few common issues, such as overfilling the oil tank, which can cause excess pressure and lead to oil leaks. A malfunctioning crankcase ventilation system or faulty seals and gaskets can also contribute to oil expulsion. Additionally, riding the motorcycle at high RPMs for extended periods can cause oil to foam and overflow. Regular maintenance is essential to prevent these problems.

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4d ago

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