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Harley Davidson CV40 main speed jet # 195 pictured above
Tuning guideline
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Exhaust, one size larger on pilot and main
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Exhaust & Air filter one size larger on pilot and one or two on main
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Exhaust, Air filter & Cam one or two size larger on pilot and two or three on main
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Exhaust, Air filter, Cam & head work two or three size larger on pilot and three on main |