PIAGGIO X9 Evolution 125 2008 - Page 13

Carburettor Keihin Walbro
Max. air jet 70 115
Minimum air jet 130 100
Throttle valve spring 100 ± 160 g 100 g
Minimum mixture set screw initial open-
ing
2 ± 1/4 2 5/8 ± 1/2
Tapered pin stamping NDYA 51C
Tapered pin notches position from top Fixed position 2
Diffuser nozzle Ø 2.8 Ø 2.7
Starter air jet Ø 1.5 (body) 200
Starter diffuser jet 130
Starter jet 42 50
Starter device resistance ~ 20 Ω ~ 40 Ω
Diffuser Ø 29 Ø 29 (30.3x27.0)
* The identification letter can vary with each carburettor update.
Kehin
KEHIN CARBURETTOR
Specification
Desc./Quantity
Depression carburettor CVEK-30
Body stamping CVEK
Stamping 303A
Max. jet 105
Minimum jet 35
Max. air jet 70
Throttle valve spring 100 ÷ 160 g
Minimum mixture set screw initial opening 2 ± ¼
Tapered pin stamping NDYA
Tapered pin notches position from top Fixed position
Diffuser nozzle Ø 2.8
Starter diffuser jet
Starter jet 42
Starter device resistance ~ 20 Ω
Diffuser Ø 29
125 keihn - Minimum air jet 130
125 keihn - Maximum air jet 70
N.B.
* THE IDENTIFICATION LETTER MAY VARY WITH EACH CARBURETTOR UPDATE.
Walbro
WALBRO CARBURETTOR
Specification
Desc./Quantity
Venturi diffuser Ø 29 (30.3x27)
Starter device resistance ~ 40 Ω
Starter jet 50
Starter diffuser jet 130
Starter air jet 200
X9 Evolution 125 Characteristics
CHAR - 13