Specification Desc./Quantity
Minimum mixture set screw initial opening 2
Tapered pin stamping
NDYA
Diffuser nozzle Ø 2.8
Starter air jet Ø 1.5 (body)
Starter diffuser nozzle Ø 1.5 (body)
Starter jet 42
Starter device resistance ~ 20 Ω (at 24°)
Diffuser Ø 29
200cc Version
Kehin
KEHIN CVEK-30 CARBURETTOR
Specification Desc./Quantity
Depression carburettor CVEK-30
Body stamping CVK
Stamping 309C
Max. jet 90
Minimum jet 35
Max. air jet 70
Minimum air jet 115
Throttle valve spring 150 ÷ 250 g
Minimum mixture adjustment screw initial opening 2±½
Tapered pin stamping
NDYC
Diffuser nozzle Ø 2.8
Starter air jet Ø 1.5 (body)
Starter diffuser jet Ø 1.2
Starter jet 42
Starter device resistance ~ 20 Ω (at 24°)
Diffuser Ø 29
N.B.
THE IDENTIFICATION LETTER CAN VARY WITH EACH CARBURETTOR UPDATE
Tightening Torques
TORQUE IN NM BY TYPE OF TIGHTENED MATERIAL
Name
Torque in Nm
M4 Ø 8.8 steel screw on plastic with metallic spacers 2
M4 Ø 8.8 steel screw on brass, copper, aluminium and their
alloys
2
M4 Ø 8.8 steel screw Iron, steel 3
M5 Ø 8.8 steel screw on plastic with metallic spacers 4
M5 Ø 8.8 steel screw on brass, copper, aluminium and their
alloys
4
M5 Ø 8.8 steel screw Iron, steel 6
M6 Ø 8.8 steel screw on plastic with metallic spacers 6.5
M6 Ø 8.8 steel screw on brass, copper, aluminium and their
alloys
6.5
M6 Ø 8.8 steel screw Iron, steel 10.5
M7 Ø 8.8 steel screw on brass, copper, aluminium and their
alloys
10.5
M7 Ø 8.8 steel screw Iron, steel 17
M8 Ø 8.8 steel screw on brass, copper, aluminium and their
alloys
16
M8 Ø 8.8 steel screw Iron, steel 26
M10 Ø 8.8 steel screw Iron, steel 52
M12 Ø 8.8 steel screw Iron, steel 100
Runner 125 - 200 Characteristics
CHAR - 13