1999-2004 Suzuki King Quad LT-300 300F ATV Factory Service Manual, Page 51Get this manual
After installing the engine, route the wire harness, cables,
and hoses properly(See pp8-14 to 8-27
Pour 4.6 (4.9 US qt, 4.0 Imp qt) for LT-F300 or 4.3 (4.5 US qt, 3.8 Imp qt) for LT-F300F of SF or SG classified (API) engine oilwith viscosity rating of 10W40 (SAE), into the engine after overhauling it Start up the engine and allow it to run for few minutes at idle speed and then stop the engineWait one minute and then check that the oil level remains between the marks on the oil level inspection windowOil change Oil and filter change Engine overhaul LT-F300 3500 ml (3.7 US qt, 3.1 Imp qt) 600 ml (3.8 US qt, 3.2 Imp qt) 4600 ml (4.9 US qt, 4.0 Imp qt)