Mercury Mariner Outboard 225 3 Litre Service Manual 1994, Page 7Get this manual
General Specifications Model 225
Horsepower
Idle RPM (In Forward Gear)
Full Throttle RPM Range
225 (168kw) 550-625 5000-5500 185 cuin(3044cc) 3.625 (921mm) 3.00 (76.2) Cycle V-6 (60 Degree Vee)
Piston Displacement
Cylinder Bore Diameter Stroke
Engine Type
Ignition Type Recommended Spark Plug
Digitally Controlled Capacitor Discharge
NGK BP8H-N-l0 [.040 in(1.0mm) Gap] NGK BPZ8H-N- [040 in(1 .Omm) Gap]
Cylinder Firing Order Recommended Oil Recommended Gasoline
Quicksilver Cycle TC-W III
Automotive Regular or Unleaded with Minimum
Octane Rating of 87 (Research Octane No90)