Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 137Get this manual
10Inspect reverse gear ball bearingIf bearing is rusted or does not roll freely, replace bearing 11.lnspect bearing (a)If bearing is rusted or does not roll freely, replace bearing
aBearingMandrel (91-24273)
Drive Shaft and Pinion Gear Removal
1Place gear housing assembly in to padded vise as shown2Remove pinion nut3Remove drive shaft from gear housingaUniversal Puller Plate (91-37241)Mandrel (91-37312)