CYLINDER BLOCK/CRANKCASE
Page 4B-36 90-857046R1 NOVEMBER 2001
Powerhead Installation
CAUTION
When lubricating the driveshaft splines do not allow any grease on top of the drive-
shaft. Grease on top of the driveshaft will force the shaft down when installing the
gearcase, causing the pinion gear to bind with the forward gear. This can result in
damage or failure of the gears.
1. Install powerhead and new base gasket.
2. Tighten the powerhead mounting bolts to the first torque value in the sequence shown
below. Repeat this procedure for the second torque value.
IMPORTANT: If the crank shaft splines do not line up with the driveshaft splines, shift
the gearcase into forward, place a prop on the propshaft and rotate it counterclock-
wise. This will allow the splines to line up.
b
a
1
2
3
4
5
6
7 8
c
a-Powerhead Mounting Bolts (4 Each Side) M8 x 110
b-Hoist
c-Base Gasket
Powerhead Mounting Bolt Torque
1st Torque: 27.5 lb-ft. (37 Nm)
2nd Torque: 34 lb-ft. (46 Nm)
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