Mercury 305 CID - Page 204

3A-12 - ENGINES 90-823225--1 1096
350 CID Gen + Engine Specifications
Unit Of Measurement
In. (mm)
CRANKSHAFT
Main
Journal
Diameter No.1 2.4484-2.4493 (62.189-62.212)
Mi
Diameter
No. 2, 3, 4 2.4481-2.4490 (62.182-62.205)
Mi
Diameter
No.5 2.4479-2.4488 (62.177-62.199)
Main
Taper
Production .0002 (0.005) Max
Journal
Taper
Service .001 (0.025) Max
Out of Round
Production .0002 (0.005) Max
Out
of
Round
Service .001 (0.005) Max
Mi B i
Pd i
No.1 .0007-.0021 (0.018-0.053)
Mi B i
Production No. 2, 3, 4 .0022-.00610 (0.0009-0.0024)
Main Bearing
C
No.5 .00250-.00690 (0.0010-0.0027)
g
Clearance
Si
No.1 .0010-.0.0020 (0.250-0.510)
Service No. 2, 3, 4 .0010-.0025 (0.0250-0.0640)
No.5 .0025-.0035 (0.0760-0.0380)
Crankshaft End Play .002-.008 (0.0500-0.2000)
CiRd
Diameter 2.0978-2.0998 (53.2840-53.3340)
Connecting Rod
Taper
Production .0003 (0.007) Max
C
onnect
i
ng
R
o
d
Journal
Taper
Service .001 (0.025) Max
Journal
Out of Round
Production .0003 (0.007) Max
Out
of
Round
Service .001 (0.025) Max
Rod Bearing Clearance
Production .0006-.0014 (0.16-0.35)
Rod
Bearing
Clearance
Service 0.0010-0.0030 (0.025-0.076)
Rod Side Clearance .006-.014 (0.15-0.35)