I bought a motorcycle from a Japanese auction, and found a strange thing under the seat. Anyone who understands Japanese, can you translate?

 
I bought a motorcycle from a Japanese auction, and found a strange thing under the seat. Anyone who understands Japanese, can you translate? - My, Japanese, Japan, Motorcycles, Translation, Translate, Lost in translation, Longpost, Moto
I bought a motorcycle from a Japanese auction, and found a strange thing under the seat. Anyone who understands Japanese, can you translate? - My, Japanese, Japan, Motorcycles, Translation, Translate, Lost in translation, Longpost, Moto


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