Table des Matières
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SETTING
Jet needle adjustment
The jet needle is adjusted by changing it.
Standard jet needle
* Except for USA
The tapered sections of all jet needles have
the same starting positions, but the needles
are available with different straight-portion
diameters.
<Example>
OBELR - 4
Effects of changing the jet needle (refer-
ence)
(Diameter of the straight portion)
Changing the diameter of the straight portion
adjusts the air-fuel mixture when the throttle is
1/8 to 1/4 open.
È
1/4
È Idle
É Fully open
7 - 7
T U N
OBELR
* OBEKS
Clip position
Diameter a of straight portion
1/2
3/4
Q
S
É
+10 %
R
–10 %
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