Specifications include, but are not limited to: Major Inspection to be performed one (1) time per calendar year. Service to include but is not limited to: INGITION Change all spark plugs Change points Change condenser Check distributor cap and rotor and change. If necessary Check all ignition wires and replace, if necessary Check start solenoid terminals Check and adjust choke, when applicable ENGINE Change lube oil Change lube oil filter Tighten valve covers Fill governor sump with lube oil, when applicable Lubricate governor linkage Service oil bath air cleaner, when applicable Check entire unit for noticeable oil leaks COOLING SYSTEM Test coolant protection Test coolant alkalinity Check water hoses – both upper and lower Check bypass hoses Check fan belts Check engine block heater for operation, when applicable Check louver operation