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PIAGGIO B 250 - Page 13

PIAGGIO B 250
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Carburettor
125cc Version
Kehin
KEIHIN CARBURETTOR 125
Specification
Desc./Quantity
Depression type CVEK30
Printing on the body CVK
Device CUT-OFF Not present
Max. jet 105
Minimum jet 35
Max. air jet 70
Minimum air jet 130
Minimum mixture set screw initial opening 2 ± ¼
Conical pin Ø 2,450
Diffuser nozzle Ø 2.8
Starter air jet Ø 1,5
Starter jet 42
Starter device resistance ~ 20
Venturi choke Ø 29
Throttle valve Ø 30,5
Choke maximum cone Ø 47
Walbro
WALBRO CARBURETTOR
Specification
Desc./Quantity
Type to depression WVF-7G*
Body stamping 7GO
Device CUT-OFF Not present
Max. jet 108
Minimum jet 36
Max. air jet 115
Minimum air jet 100
Throttle valve spring 100 g
Minimum mixture set screw initial opening 2 5/8 ± 1/2
Tapered pin stamping 51C
Tapered pin notches from above 2
Diffuser nozzle Ø 2.7
Gasoline inlet hole Ø 1.5
Starter air jet 200
B 125-250 Characteristics
CHAR - 13

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