Mine too 4 quarts or the whole med Jug of oil.
3.1 quarts
5.8q-6q
3.5 quarts
1992 suzuki gxr 750 with the replacement of the filter will hold around 3.4 to 3.6 quarts.
Rectifier is probably bad. Battery not getting sufficient charge.
3.2
2.2quarts
2.5 quarts of 10W40 without a filter change, 3 quarts with filter change, according to my 2003 Suzuki VS800 factory manual.
7.5 quarts
4.5 Quarts
Hold the bike level and check the coolant bottle behind the lower left fairing.
4.5 quarts