Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 337Get this manual
Bearing Preload Tool 91-14311A2
ForwardReverse Gear Backlash and Pinion Depth (Ratcheting and Non-Ratcheting)
Pinion Depth All Models 0.025 in(0.635mm) with Tool 91-12349A2 Using Disc #2 and Flat #4 Forward Gear Backlash 1.64:1and 1.75:1 Gear 0.017 into 0.018 inRatios (0.431 mm to 0.457mm) 1.62:1 Gear Ratio Pointer on line mark #1 Service Replacement with Backlash Indicator Rod 91-53549 Reverse Gear Backlash 1.64:1and 1.75:1 Gear Ratios 1.62:1 Gear Ratio Service Replacement Lubricant Capacity 1.87:1 Gear Ratio (High Altitude) 0.030 into 0.050 in(0.76mm to 1.27mm)
Bearing Removal and Installation Tool 91-31229A7Includes Driver Head 91-36569: Driver Head Rod 91-37323; Nut 11-24156; Pilot Washer 91-36571; Pilot Plate 91-29610; PullerDriver Head 91-38628; Mandrel 91-30366; Plate 91-29310; Driver Head 91-32325; Puller Shaft 91-31229; Washer 91-34961