• Prima Keihin PB Main Jet Kit (4mm, 10 pcs); QMB139, Gen 50cc

Contains 70, 75, 80, 85, 90, 95, 100, 105, 110, 115 jets.

Jetting is something that takes trial and error. See our blog page of for more info.

Genuine RH 50
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Prima Keihin PB Main Jet Kit (4mm, 10 pcs); QMB139, Gen 50cc

Keihin PB Jets

Other products by Prima
  • SKU1300-1129
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Retail Price: $17.00
Your Price: $17.00
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