Mercury 100 FourStroke, Service Manual

Page: 264 / 574

4-52 - POWERHEAD 90-830234R3 DECEMBER 1997
•
Install 2 ring seals into slot between each center
main bearing and position ring seal end gaps
180
apart.
a
51083
a - Ring Seal 2 Each Center Main
Any GREASE used for bearings INSIDE the Pow-
erhead MUST BE gasoline soluble. Use only
Quicksilver 2-4-C w/Teflon (92-825407A12). If
other lubricants are used inside the Powerhead,
damage to engine may occur.
Grease crankshaft journal with 2-4-C w/Teflon to hold
bearings in place. Position bearings on journal, 32
each center main bearing.
95 2-4-C With Teflon (92-825407A12)
20046
95
Attach bearing races with holes toward lower gear
end of crankshaft. Secure each main bearing race
with retaining ring.
a b c
20040
a - Main Bearing Race
b - Retaining Ring
c - Top Main Bearing
To install top main bearing, lubricate needle bearing
with light oil, and slide bearing assembly, (holes to-
ward lower end), onto shaft.
14 2 Cycle Outboard Oil (92-826666A24)
20040
14