slow jet for keihin butterfly carb .72 - 76-89 BT/ 76-87 XLSKU: 504135SLOW JET FOR KEIHIN BUTTERFLY CARB. 72Low speed jet. OEM replacement reference 27897-78.Fits: > 76-89 B.T.; 76-87 XL. With Keihin butterfly carburetor3,45€PriceChat or E-mail for Quote