Mercury 40 Service Manual

CYLINDER HEAD
90-828631R3 MARCH 1999 Page 4A-43
3. Torque center bolts in sequence and in two steps, than torque the Cylinder Head and
carburetor flange bolts.
53740
8
5
3
4
1
2
5
9
10
6
7
1
1
6
4
4
8
7
3
3
2
2
5
Cylinder Head Bolt Torque
Center Bolts Qty. 10 (Larger Dia. M9)
1st: 17 lb-ft (23 Nm)
2nd: 34.7 lb-ft (47 Nm)
Cyl. Head Flange Bolts Qty. 5 (Smaller Dia. M6)
1st: 53 lb-in. (6 Nm)
2nd: 106 lb-in. (12 Nm)
Carburetor Flange Bolts Qty. 8 (Smaller Dia. M6)
75 lb-in. (8.5 Nm)
4. Install timing belt. Refer to Section 4 Part B.
5. Adjust valves. Refer to Section 4 Part A.
30033
1
4
2
3
a
a-Timing Belt

Mercury 40 Specifications

General

Horsepower	40 hp
Starting System	Electric
Steering	Remote
Fuel Induction System	EFI (Electronic Fuel Injection)
Shaft Length	20"
Full Throttle RPM Range	6000