2005+ Mercury Verado 4 Stroke 200/225/250/275 6 gear housing Service Manual, Page 70Get this manual
Right Hand Rotation Puller Jaws Assembly Puller Bolt Description Propeller shaft torque Nm 5.5 91-46086A1 91-85716 Ib.in50 Ib.ft
5Install dial indicator and align the dial indicator pointer so that it is perpendicular to and touching the mark on the dial indicator toolTighten the indicator tool onto the driveshaft and rotate the driveshaft so that the needle in the dial makes at least one full revolution and comes to "0" on the dial indicator scale
ob01534
aNuts (4) (obtain locally)Threaded rod9.5 mm (38 in obtain locallyDial Indicator Holding Tool
Dial Indicator Holding Tool Dial Indicator Backlash Indicator Rod
dDial IndicatorIndicator PointerBacklash Indicator Rod
91-83155 91 -58222A1 91-78473
6Take the backlash readings by lightly turning the driveshaft back and forth, (no movement should be noticed at the propeller shaft)aObserve the dial indicator and record the readingbLoosen the indicator tool and rotate the driveshaft 90 degrees in clockwise directioncRepeat step above and take and record another readingRepeat step until total of backlash readings have been taken7Add the four readings together and divide the sum by fourThis is your average backlashForward Gear Average Backlash