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Post Subject:
2002 KLX110 Warming Up and Idling Issues?
Hi Guys,
Purchased this bike new in '02 for my son. Always seemed to take a few
more kicks than I thought it should and seems to take a fairly long
time to warm up to where it will idle without the choke. Adjusting the
idle doesn't make a difference.
This bike doesn't have a whole lot of hours on it and has always
seemed to run like this. Anyone else own one of these and have any
issues with it?
Thanks,
Tim
Purchased this bike new in '02 for my son. Always seemed to take a few
more kicks than I thought it should and seems to take a fairly long
time to warm up to where it will idle without the choke. Adjusting the
idle doesn't make a difference.
This bike doesn't have a whole lot of hours on it and has always
seemed to run like this. Anyone else own one of these and have any
issues with it?
Thanks,
Tim
rkandrlover@aol . com wrote:
>Hi Guys,
>
>Purchased this bike new in '02 for my son. Always seemed to take a few
>more kicks than I thought it should and seems to take a fairly long
>time to warm up to where it will idle without the choke. Adjusting the
>idle doesn't make a difference.
* houseofmotorcycles.bikebandit . com /partsbandit/ShowSchematic.aspx?deptId=1072252&machineId=3710
16014: SCREW-PILOT AIR
Adjust the pilot air screw to make the idle mixture richer. The parts list
calls it a "pilot air screw" but it has a rubber o-ring like an idle mixture
screw.
To richen the idle mixture of a carb with a pilot air screw, turn the screw
clockwise about 1/4 to 1/2 turn.
Turn the idle *speed* screw whichever way is necessary to adjust the idle
speed back to normal.
If you idle the engine down as low as possible with the engine warm, it will
start easier.
The old time British motorcycle riders would make a habit of turning the idle
speed screw as low as it would go to increase vacuum to help the engine suck
gasoline out of the float bowl.
Modern Japanese carburetors have cross-drilled emulsion holes and premix air
and gasoline to make the fuel and air droplets finer, but the EPA requires
the idle mixture to be leaner than what is needed for easy starting, quick
warmup and good throttle response.
So, adjust that pilot air screw.
If you have turned it almost all the way closed and the mixture isn't richer,
maybe the problem is an idle jet that's too small or is clogged up.
--
Message posted via MotorcycleKB . com
* w w w .motorcyclekb . com /Uwe/Forums.aspx/tech/200710/1
>Hi Guys,
>
>Purchased this bike new in '02 for my son. Always seemed to take a few
>more kicks than I thought it should and seems to take a fairly long
>time to warm up to where it will idle without the choke. Adjusting the
>idle doesn't make a difference.
* houseofmotorcycles.bikebandit . com /partsbandit/ShowSchematic.aspx?deptId=1072252&machineId=3710
16014: SCREW-PILOT AIR
Adjust the pilot air screw to make the idle mixture richer. The parts list
calls it a "pilot air screw" but it has a rubber o-ring like an idle mixture
screw.
To richen the idle mixture of a carb with a pilot air screw, turn the screw
clockwise about 1/4 to 1/2 turn.
Turn the idle *speed* screw whichever way is necessary to adjust the idle
speed back to normal.
If you idle the engine down as low as possible with the engine warm, it will
start easier.
The old time British motorcycle riders would make a habit of turning the idle
speed screw as low as it would go to increase vacuum to help the engine suck
gasoline out of the float bowl.
Modern Japanese carburetors have cross-drilled emulsion holes and premix air
and gasoline to make the fuel and air droplets finer, but the EPA requires
the idle mixture to be leaner than what is needed for easy starting, quick
warmup and good throttle response.
So, adjust that pilot air screw.
If you have turned it almost all the way closed and the mixture isn't richer,
maybe the problem is an idle jet that's too small or is clogged up.
--
Message posted via MotorcycleKB . com
* w w w .motorcyclekb . com /Uwe/Forums.aspx/tech/200710/1
