Piston Pin; Crankshaft; Connecting Rod; Valve - Mercury MerCruiser Service Manual

Engine Inspection and Assembly
Oil Control
Description
Groove clearance
Gap

Piston Pin

Description
Diameter
Clearance
Clearance in connecting rod

Crankshaft

Main Bearing Journal
Description
Diameter
Taper
Out of round
Main Bearing Clearance
Description
Production
Connecting Rod Journal
Description
Diameter
Taper
Out of round
Miscellaneous
Description
Runout
End play (thrust clearance)

Connecting Rod

Connecting Rod Bearing
Description
Clearance
Rod side clearance

Valve

Clearance (Lash)
Description
Intake and exhaust
Page 3B-4
Production
Production
Production
Number 1, 2, 3, 4
Number 5
Production
Production
Number 1, 2, 3, 4
Number 5
Production
Production
Production
© 2016 Mercury Marine
6.2 Liter (377 cid)
0.020–0.165 mm (0.0008–0.0065 in.)
0.18–0.72 mm (0.007–0.028 in.)
6.2 Liter (377 cid)
21.997–22.000 mm (0.8660–0.8661 in.)
0.004–0.014 mm (0.0002–0.0005 in.)
0.016–0.029 mm (0.0006–0.0011 in.) interference
6.2 Liter (377 cid)
62.195–62.215 mm (2.4486–2.4494 in.)
62.181–62.201 mm (2.4481–2.4488 in.)
0.008 mm (0.0003 in.) maximum
0.008 mm (0.0003 in.) maximum
6.2 Liter (377 cid)
0.043–0.107 mm (0.0017–0.0042 in.)
0.043–0.107 mm (0.0017–0.0042 in.)
6.2 Liter (377 cid)
53.3095–53.3295 mm (2.0988–2.0995 in.)
0.005 mm (0.0002 in.) maximum
0.008 mm (0.0003 in.) maximum
6.2 Liter (377 cid)
0.065 mm (0.0025 in.) maximum
0.025–0.305 mm (0.001–0.012 in.)
6.2 Liter (377 cid)
0.047–0.110 mm (0.0019–0.0043 in.)
0.312–0.588 mm (0.013–0.023 in.)
6.2 Liter (377 cid)
Net lash
No adjustment
90-8M0099748 eng DECEMBER 2015