4.4
Fuel System
9923396 - 2007-2012 EDGE/Widetrak LX Service Manual
©2011 Polaris Sales Inc.
Throttle Opening and Fuel Flow
The illustration below depicts how each fuel metering
circuit effects the total fuel flow of the carburetor as well as
the fuel flow characteristics when the jet needle e-clip is
moved from position 2 to position 4.
This illustration can be helpful when trying to diagnose a
fuel-related problem when the throttle opening at which
the rich or lean condition occurs is determined.
For example, changing main jets to resolve an off-idle
hesitation or rich condition would do nothing as the main
jet’s effect on total fuel output is minimal at idle speeds.
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