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To grease the jackshaft on a 1991 Indy 500, first, remove any necessary panels to access the jackshaft assembly. Locate the grease fittings on the jackshaft and use a grease gun to apply a suitable high-temperature grease until you see old grease oozing out, indicating it's fully lubricated. Ensure you do not over-grease, as this can cause the seals to fail. After greasing, reassemble any removed components and check for proper operation before riding.

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AnswerBot

1mo ago

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