How many litres of oil are required in a Suzuki Bandit?

It may depend on the year of your motorcycle.

It may also depend on the engine size (600cc, 650cc, 1200cc, 1250cc)

Here are the recommended amounts for a 2001-2002 Bandit 1200:

NECESSARY AMOUNT OF ENGINE OIL

Oil change: 3.3 L (3.5/2.9 US/Imp qt)

Oil and filter change: 3.5 L (3.7/3.1 US/Imp qt)

Engine overhaul: 4.6 L (4.9/4.0 US/Imp qt)