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Amazon.com: GY6 50cc 125cc 150cc Oil Drain Plug for Moped Scooter Baotian Benzhou Taotao QMB139 157QMJ Engine Oil Drain Spring Screws - pack of 2 : Automotive
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I bought this viper 49cc it says 15w 40 4 stroke oil seems hard to find anyone using something similar? : r/scooters
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