Mercury 225 - Page 21

GENERAL INFORMATION
17
Models 225
Kilowatts 168
Full Throttle RPM range 5000-6000
Idle RPM in Neutral Engine Warm
1.
650-750
Number of Cylinders 6
Piston Displacement 3,352 cc (204.54 cu. in.)
Cylinder Bore 94.0 mm (3.70 in)
Stroke 80.5 mm (3.17 in.)
Valve Clearance (cold)
Intake Valve 0.17 - 0.23 mm (0.007 - 0.009 in.)
Exhaust Valve 0.31 - 0.37 (0.012 - 0.015 in.)
Recommended Spark Plug NGK LFR5A-11
Spark Plug Gap 1.1 mm (0.043 in.)
Gear Ratio 2.00:1
Recommended Fuel Refer to Fuel & Oil
Recommended Oil Refer to Fuel & Oil
Gearcase Lubricant Capacity 1.15 l (39.0 fl. oz.)
Engine Oil Capacity
Without Oil Filter Replacement 5.8 l (6.1 qt)
With Oil Filter Replacement 6.0 l (6.3 qt)
Battery Rating
Operation Above 0° C (32° F)
465 MCA (Marine Cranking Amps) or 350 CCA (Cold
Cranking Amps)
Operation Below 0° C (32° F)
1000 MCA (Marine Cranking Amps) or 750 CCA (Cold
Cranking Amps)
Ampere Hour (AH) 70-100
Sound at Drivers Ear (ICOMIA 39-94) 81 dBA
1.
With engine fully warmed up