2003 ST 4 Stroke 9.9/15HP Johnson outboards Service Manual, Page 210Get this manual

2003 ST 4 Stroke 9.9/15HP Johnson outboards Service Manual, Page 210

GasolineHandle With Care!
Gasoline vapor and air mixtures explode easily and violently when mixed as shown Part Gasoline '

Parts Air

By Volume

When you smell ANY odor of gasoline, explosion is possible
Gas Fumes