Engine oil and filter Replace
Oil lines and brake system Inspect for leaks
Air cleaner Inspect, service as required
Tires Check pressure, inspect tread
Wheel spokes Check tightness
Primary chaincase lubricant Replace
Transmission lubricant Replace
Clutch Check adjustment
Primary chain Check adjustment
Rear belt and sprockets Inspect, adjust belt
Throttle, brake, and clutch controls Check, adjust, and lubricate
Jiffy stand Inspect and lubricate
Fuel lines and fittings Inspect for leaks
Brake fluid Check levels and condition
Brake pads and discs Inspect for wear
Spark plugs Inspect
Electrical equipment and switches Check operation
Engine idle speed Check adjustment
Front fork oil Replace
Air suspension Check pressure, operation, and leakage
Cruise control Inspect disengage switch and components
Fuel door, Tour-Pak, saddlebags Lubricate hinges and latches
Battery Check battery and clean connections
Road test Verify component and system functions
From the Harley Davidson website (of all places).