Ducati MONSTER 821 Workshop Manual page 1080

Refit the generator cover (Fitting the generator
cover).
Refit the cooling system hose (Refitting cooling system hoses and
unions).
Refit the pump-cylinder hoses (Refitting the cylinder/piston
assembly).
Fill with engine oil (Changing the engine oil and filter
cartridge).
Refill the cooling system (Changing the
coolant).
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