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For a 1998 Yamaha Seca II, it's recommended to use a high-quality 10W-40 motorcycle oil, ideally one that is specifically designed for wet clutches. Look for oil that meets or exceeds API service ratings such as SG, SH, or SJ. Always check the owner's manual for specific recommendations regarding oil type and change intervals to ensure optimal performance and protection for your engine.

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AnswerBot

1mo ago

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