Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 214Get this manual
Powerhead Specifications Block
Type 60 V, Cycle Displacement 185.9 cuin(3047cc)
Water Pressure
Idle 1-124-12 psi Poppet Valve Opening 6-126-34 psi
W.O.T10 psi
Engine Weight
20 in(50.8cm) Shaft 440 Ibs(199.8kg) 25 in(63.5cm) Shaft 445 Ibs(202.0kg) 30 in(76.2cm) Shaft 461 Ibs(209.3kg)
Reed Valve Opening
Opening (Max 0.020 in(0.50mm)
Length 3.00 in(76.2mm)
Cylinder Bore
DiaStandard 3.625 in(92.1 mm) 0.015 Oversize 3.640 in(92.5mm) 0.030 Oversize 3.655 in(92.8mm) TaperOut of Round Max0.003 in(0.076mm)
Tools for Powerhead Repair
Tool Description
Lifting Eye Flywheel Holder Protector Cap Flywheel Puller Powerhead Stand (13 Spline) Piston Ring Expander Lockring Removal Tool Piston Pin Tool Driver Head Universal Puller Plate Snap Ring Pliers Piston Ring Compressor Piston Lock Ring Installer Compression Tester