1991+ Kawasaki 650 SC Factory Service Manual, Page 180Get this manual

14-6 STORAGE
.After refueling and before starting the engine, tilt the seat to the rear for several minutes to ventilate the engine compartment
A concentration of gasoline fumes in the engine compartment can cause fire or explosion Check for fuel leaksRepair if necessary Check the engine oil levelFill the oil tank with the specified oil
Test Run

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives