Mercury Mariner Outboard 225 3 Litre Service Manual 1994, Page 365Get this manual
Set Up Instructions for Oil Injection System Refer to page for proper routing of oil hose routing thru clamp in the bottom cowl
A CAUTION
Be careful not to get dirt or other contamination in tanks, hoses or other components of the oil injection system during installation
A CAUTION
Oil injected engines additionallymust be run on 50 :1 gasolineloil mixture in the fuel tank for the first 30 gal Ions ofluel Referto engine break-in procedures in the OperationMaintenance Manual
A CAUTION
If an electric fuel pump is to be used on engines with oil injection, the fuel pressure at the engine must not exceed psigIf necessaryinstall pressure regulator between electrical fuel pump and engine and set at psig maximumINSTALLING REMOTE OIL TANK HOSES TO ENGINE
12Remove (and discard) the shipping cap from hose fitling (a)Connect oil hose (with blue stripe) to fitting as bshownSecure with sta-strap