at sea level there is 14.7 psi of air pressure, the higher you go the thinner the air. thus, need more air and less fuel. adjuster your idle air screw mixture.
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Honestly, it would be easier for you to ask this question directly on the site selling spare parts for Yamaha. Just visit this link. Compare the different models or simply ask the consultant a direct question. I always do this before making a purchase. Motorcycles older than 1990 have their own characteristics that should be considered when replacing parts.
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