Timing Chain and Front Cover Components
Ref. No. Qty. Description
Torque
Nm lb‑in. lb‑ft
1 1 Steering pump bracket
2 3 Screw
3 8 Belt tensioner
4 2 Screw
5 1 Pulley
6 4 Screw 26.4 – 19.5
7 3 Stud 29 – 21.4
8 1 Bolt 29 – 21.4
9 2 Gasket
10 1 Water pump
11 1 Screw 102 – 75.2
12 3 Screw 27 – 19.9
13 1 Crankshaft pulley
14 1 Lockwasher
15 1 Washer
16 1 Harmonic damper
17 1 Crank sensor screw 10 88.5 –
18 1 Crank sensor
19 6 Screw 12 106.2 –
20 1 Timing front cover
21 1 Seal
22 1 Reluctor wheel
23 1 Timing chain
24 1 Crankshaft timing gear
25 1 Cam timing gear
26 3 Timing gear screws 30 – 22.1
27 1 Timing front cover gasket
28 1 Belt
29 1 Water pump pulley
30 1 Screw 10 88.5 –
31 1 Cam sensor
Engine Disassembly
90-8M0099748 eng DECEMBER 2015 © 2016 Mercury Marine Page 3A-11
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