2008 Polaris ATV Sportsman 300 400 H.O. Service Manual, Page 100Get this manual

2008 Polaris ATV Sportsman 300 400 H.O. Service Manual, Page 100

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FUEL SYSTEM Pilot (Idle and Slow) System
Main System
As throttle valve (1) is opened, engine speed rises, and this increases negative pressure in the venturiConsequently the vacuum slide (

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