The fuel injectors used on the 2005 Polaris Liberty twin 900s are color coded, much like Arctic Cat’s injectors were coded with a symbol...

The fuel injectors used on the 2005 Polaris Liberty twin 900s are color coded, much like Arctic Cat’s injectors were coded with a symbol (diamond, square, triangle). This is for the purpose of matching the injector flow rates to the machine electronics. And the coding should be followed when replacing an injector. Only replace injectors with one of the same color code! Mismatching of injectors can lead to improper fuel delivery and potentially engine damage.

The tips of these injectors are also very delicate, and should be visually inspected before installation. Injectors with any visual deformation or damage should not be installed, as this can cause a lean condition on the cylinder which it is installed.

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