carb ???


2 replies to this topic
  • yamayota

Posted April 23, 2009 - 04:31 PM

#1

i have a 2000 yzf 426...i was wondering if the pilot screw in the carb bowl needs to be adjusted....

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  • saca

Posted April 23, 2009 - 06:55 PM

#2

The richness of the air-fuel mixture with the
throttle fully closed to 1/4 open can be set by
turning the pilot screw . Turning in the pilot
screw will make the mixture lean at low
speeds, and turning it out will enrich it.
If the idling speed fluctuates, turn the pilot
screw only 1/2 of a turn in either direction.
• To optimize the fuel flow at a smaller throttle
opening, each machine’s pilot screw has
been individually set at the factory. Before
adjusting the pilot screw, turn it in fully and
count the number of turns. Record this num-
ber as the factory-set number of turns out.

factory-set number of turns out:1 3/8 out if Im right.

  • grayracer513

Posted April 23, 2009 - 09:56 PM

#3

i have a 2000 yzf 426...i was wondering if the pilot screw in the carb bowl needs to be adjusted....

Of course it does.

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