Polaris 90/K@N Filter jetting
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Polaris 90/K@N Filter jetting
Yes the needle needs to be adjusted. Move the clip down, moves tapered end away from the seat. Test it until you get it running right at about half throttle (needle), THEN move on to the main at full throttle.
RICH or LEAN:
Lean: If you can partially cover your new air filter and the quad runs better, you are lean.
Rich: Turn off the gas. If the quad runs better as the carb runs out of fuel, you are rich.
Better a little rich than a little lean. Lean is mean!
RICH or LEAN:
Lean: If you can partially cover your new air filter and the quad runs better, you are lean.
Rich: Turn off the gas. If the quad runs better as the carb runs out of fuel, you are rich.
Better a little rich than a little lean. Lean is mean!
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