2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 178Get this manual
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8 Remove the vacuum hose fuel-pump-to-carburetor hose and
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10 Disconnect the crankcase vent hose from the air filter housingRemove the clamp securing the carburetor intak