2000 Polaris Indy 500 / 600 snowmobile service manual, Page 104Get this manual

2000 Polaris Indy 500 / 600 snowmobile service manual, Page 104

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ENGINES Variable Exhaust System (V.E.S 4 Install spring, valve cover, and adjuster nutTorque exhaust valve cover bolts to specification
V.E.SAdjustment
The RPM at which the exhaust valves