7 - 7
T U N
Jet needle adjustment
The jet needle is adjusted by changing it.
* For EUROPE
** For CDN, ZA, AUS and NZ
The tapered sections of all jet needles have
the same starting positions, but the needles
are available with different straight-portion
diameters.
Standard jet needle
OBELQ
* OBELN
** OBEKP
<Example>
OBELQ - 3
Clip position
Diameter
a
of straight portion
Effects of changing the jet needle (reference)
(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.
Å
Idle
ı
Fully open
+10 %
Q
–10 %
P
R
1/4
1/2
3/4
ı
Å
SETTING
Summary of Contents for WR250F(P)
Page 604: ...5 67 CHAS REAR SHOCK ABSORBER 8 Install Band 1 Taillight connector 2...
Page 692: ......
Page 693: ......