2007 Polaris Two Stroke Snowmobile Workshop Repair manual, Page 106Get this manual
ENGINE Exhaust Valve Disassembly CAUTION
EV spring under tensionUse care when removing housing from assembly base1234567Remove the vent lines from the exhaust valve base(s)Remove the four cover fasteners (1) securing housing and the valve assembly onto the cylinderRemove exhaust valve assembly from cylinderRemove the exhaust valve base gasket(s) (8) and discardTo remove the guillotine (9), secure the guillotine, then apply heat to remove the bellows retaining nut cap nut (4)Separate the cap nut, bellows (5) and bellows washer (6) from the guillotineRemove the guillotine from the base (7)
Optional Exhaust Valve Springs
SPRING7041704-01 7041704-02 7041704-03 7041704-04 7041704-05 7041704-06 COLOR Blue Orange Pink Purple Yellow White FREE LENGTH 1.752 1.729 1.734 1.726 1.734 1.537
Reed Valve Disassembly
Exhaust Valve Assembly