Mariner 70 Service Manual page 144

Mariner outboard motor service manual
Table of Contents

Advertisement

21. Remove piston pin needle bearings (29 per piston
pin) and locating washers ( 2 per piston) as
shown.
IMPORTANT: We recommend that you use new
needle bearings at reassembly for lasting repair.
However, if needle bearings must be re-used,
keep each set of bearings identified for reas-
sembly on same connecting rod.
a
a - Locating Washers
22. Inspect crankshaft bearing.
Only if removal is necessary, remove retaining ring ,
using a pair of snap-ring pliers.
a - Crankshaft Bearing
b - Retaining Ring
NOTE: There is NO main bearing retaining ring or re-
taining ring groove in the crankshaft on the following
outboards:
75/90--SERIAL NUMBER OC259434 and above.
4A-16
23. Press crankshaft out of bearing, as shown.
51088
24. If oil pump drive gear replacement is necessary,
remove gear after pressing off main bearing
(slides-off shaft). Lower crankshaft seal carrier.
a
b
20037
a - Oil Drive Gear
b - Key
POWERHEAD
a
90-13645--2 495
20340
b
51084

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

751159080100

Table of Contents