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Carburetor Adjustment Specifications

A - Venturi Diameter (mm)

B - Main Jet No.

C - Idle Jet No.

D - Air Correction Jet No.

E - Idle Jet Air Bleed Diameter (mm) or No.

F - Pump Jet No.

G - Power Fuel Jet Diameter (mm) or No.

H - Float Needle Valve Diameter (mm)

I - Float Weight (grams)

J - Accel. Pump Volume per Stroke (cc)

Carburetor No. A B C D E F G H 1 J
28 PICT                     
From Engine #5000 001 22.5 122.5 g55 130y(2) 2.00 0.5 1.0 1.5 5.7 1.1 -1.4(1)
From Engine #0143 543 22.5 115 g45 145y 1.55 0.5 0.7 1.5 5.7 1.1 -1.4(1)
From Engine #DO234015 22.5 122.5 g55 150y 2.00 0.5 #75 1.5 5.7 1.1 -1.4(1)
28 PICT-1                     
From Engine #5000 001 22.5 122.5 g55 130y(2) 2.00 0.5 1.0 1.5 5.7 1.1 -1.4(1)
From Engine #0143 543 22.5 115 g45 145y 1.55 0.5 0.7 1.5 5.7 1.1 -1.4(1)
From Engine #DO234015 22.5 122.5 g55 135y 2.00 0.5 #75 1.5 5.7 1.1 -1.4
28 PICT-2                     
From Engine #5000 001 22.5 122.5 g55 130y(2) 2.00 0.5 1.0 1.5 5.7 1.1 -1.4(1)
From Engine #0143 543 22.5 115 g45 145y 1.55 0.5 0.7 1.5 5.7 1.1 -1.4(1)
From Engine #DO234015 22.5 122.5 g55 135y 2.00 0.5 #75 1.5 5.7 1.1 - 1.4
30 PICT-1                     
From Engine #F0000 001 24.0 125 g55 125z(3) 1.50 50 (4) 1.5 5.7 1.3-1.6(5)
From Engine #H0000 001 24.0 115 g55 135z 1.50 50 #75 1.5 5.7 1.3-1.6(5)
From Engine #B0000 001 24.0 120 g60 135z 1.40 50 #50 1.5 5.7 1.3-1.6(5)
30 PICT-2                     
From Engine #F1462 682 24 x120 g55 125z(6) 140 50 50 1.5 8.5 1.3-1.6(7)
From Engine #H0879 927 24 x120 g55 125z(6) 140 50 50 1.5 8.5 1.3-1.6(7)
From Engine #HO204 001 24 x120 g55 125z(6) 150 50 50 1.5 5.7 1.3-1.6(7)
From Engine #HO874 200 24 x120 g55 125z(6) 140 50 50 1.5 8.5 1.3-1.6(7)
From Engine #H5000 001 24 x116 g55 125z 140 50 60 1.5 8.5 1.3-1.6(7)
From Engine #B5000 001 24 x116 g55 125z 140 50 60 1.5 8.5 1.3-1.6(7)
30 PICT-3                     
From Engine #B6000 001(8) 24 x122.5 65 125z 135 ... 100 1.5 8.5 1.2-1.35
From Engine #B6000 002(9) 24 x112.5 65 125z 135 ... 100 1.5 8.5 1.2-1.35
From Engine #B5116437 24 x112.5 65 125z 135 ... 100 1.5 8.5 1.2-1.35
From Engine #AE 000 001 26 x127.5 65 75z 135 ... 100 1.5 8.5 1.45 ±0.15
From Engine #AH 000 001 26 x127.5 65 75z 135 ... 100 1.5 8.5 1.45 ±0.15
From Engine #AK 000 001 26 x127.5 65 75z 135 ... 100 1.5 8.5 1.45 ±0.15
(1) 1.2 - 1.3 cc before June 1963.
(2) Transporter and Karmann Ghia use 145y.
(3) Karmann Ghia use 170z.
(4) Karmann Ghia only use #75.
(5) Cotter pin in inner position.
(6) Karmann Ghia used 135z.
(7) 1.05 - 1.35 from Engine No. H1124670. All use cotter pin in inner position.
(8) Type 1 Manual Trans.
(9) Type 1 Auto. Trans.
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