Index Snowmobiles / ATV Snowmobile Polaris 440 PRO X Fan, 440 PRO X, 600 PRO X, 700 PRO X, 800 PRO X - service manual 2003 year
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ENGINE 2.8 Variable Exhaust System (V.E.S.) - 440 Pro X CDI Box Solenoid Open Solenoid Open Wire Wire Yellow Wire to Wiring Harness Balance Tube T-Fitting T-Fitting Hose Hose Spring Bellows Outlet Hole Inlet Hole from Cylinder Exhaust Valve Inlet Hole from Cylinder Spring Bellows 440 Pro X Variable Exhaust System: The exhaust valve system on the new 440 Pro X is electronically controlled by solenoids. Pressure from CDI Box Solenoid Closed Solenoid Closed Wire Wire Yellow Wire to Wiring Harness Balance Tube T-Fitting T-Fitting Hose Hose Spring Bellows Inlet Hole from Cylinder Exhaust Valve Spring Bellows Outlet Hole Inlet Hole from Cylinder Below 6700 RPM Above 6700 RPM Exhaust Valves Fully Open Exhaust Valves Closed Exhaust Valve Exhaust Valve |