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Mercury 40 Service Manual

Mercury 40
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CYLINDER HEAD
Page 4A-38 90-828631R3 MARCH 1999
Camshaft Installation
1. Apply engine oil to the main journals (5 places) on the camshaft.
2. Slide camshaft into cylinder head (threaded end towards driven gear).
3. Install camshaft retaining bolt. Tighten bolt to the specified torque.
4. Place driven gear on camshaft so alignment pin is in hole. Hold gear with tool
(91-83163M) and fasten with washer and bolt. Tighten bolt to the specified torque.
5. Remove any oil from the camshaft lobes and apply Moly Grease to the lift portion of the
lobes. Obtain Moly Grease from a local source.
NOTE: Rotate camshaft after assembly to ensure it rotates smoothly.
53739
a
b
d
f
e
c
a-Camshaft
b-Camshaft Retaining Bolt
c-Alignment Pin
d-Driven Gear
e-Washer
f-Bolt
Driven Gear Bolt Torque (f)
28 lb-ft (38 Nm)
Camshaft Retaining Bolt Torque (b)
57 lb-in. (6.4 Nm)

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Mercury 40 Specifications

General IconGeneral
Horsepower40 hp
Starting SystemElectric
SteeringRemote
Fuel Induction SystemEFI (Electronic Fuel Injection)
Shaft Length20"
Full Throttle RPM Range6000

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