4813 carburettor phm 38 bs1

Description

Engine: 300-750cc, 4 stroke

Application: Motorcycles - BMW 900CC 1974

Venturi diam.: 38 - 40 - 41mm

Features:

• Piston-type throttle valve
• Indipendent starting circuit or with a flooding switch
• Idle system with jet and mixture adjusting screw
• Main circuit with mechanical mixture adjustment by a conical needle
• Versions with idle adjusting screws on the left and/or on the right
• Versions with mechanically-operated diaphragm acceleration pump
• Bowl with the possibility to assemble independent floats
• Sleeve connection with insulating reducing socket from Ø 48 to Ø 45 and Ø 46 elastic fitting connection
• Air intake connection Ø 52 and Ø 83 or Ø M52 x 1.25 for trumpet or joint assembly

Products reserved exclusively for racing in specifically designed locations according to the provisions of the competent sporting authorities. We disclaim all liability for improper use