MerCruiser 305 CID (5.0L) Service Manual page 241

SERVICE MANUAL NUMBER 24
19. Remove main bearing caps and carefully lift crankshaft out of cylinder block.
20. If new main and/or connecting rod bearings are to be installed, remove main bearing
Cleaning and Inspection
1. Wash crankshaft in solvent and dry with compressed air.
2. Measure main bearing journals and crankpin dimensions with a micrometer for
3. Check crankshaft for runout (by supporting at front and rear main bearings journals in
4. Replace or recondition crankshaft if not within specifications.
Index
90-861327--1 OCTOBER 1999
a - Connecting Rod Bearing Caps
b - Main Bearing Cap
c - Crankshaft
inserts from cylinder block and bearing caps, and/or connecting rod bearing inserts from
connecting rod and caps. Install new bearings following procedures outlined.
out-of-round, taper or undersize (see "Specifications").
V-blocks) and check at front and rear intermediate journals with a dial indicator (see
"Specifications").
a
5.0l / 305 cid / 5.7l / 350 cid ENGINES
b
c
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