2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 31Get this manual
MAINTENANCE VEHICLE INSPECTION
Shift Link Rod Inspection
NOTE: Shift rod is preset at time of manufacturer1Lubricate pivot points with light aerosol lubricant or grease if desired
Throttle Inspection
Check for smooth throttle opening and closing in all handlebar positionsThrottle lever operation should be smooth and lever must return freely without bindingPlace the gear selector in ParkSet parking brakeStart the engine and let it idleTurn handlebars from full right to full leftIf idle speed increases at any point in the turning range, inspect throttle cable routing and conditionAdjust cable tension as needed until lock-to-lock turning can be accomplished with no rise in engine rpm5Replace the throttle cable if worn, kinked, or damaged3 1234