Mercury 40 Service Manual page 214

CYLINDER HEAD
3. Install timing belt as follows:
IMPORTANT: Make sure the Part Number on the belt is upright, not inverted.
NOTE: The spring loaded belt tensioner will automatically apply the correct tension against
the belt.
b
a
c
a -
b -
c -
Fastening Bolt (b) 221 lb–in. (25 Nm) Pivot Bolt (c) 70 lb-in. (8.0 Nm)
4. Reinstall trigger base with four bolts.
a -
b -
Page 4A-18
Align both gears with their alignment marks (Steps 1 and 2).
Install the timing belt around the gears as shown.
Allow the spring loaded belt tensioner to pivot against the belt. Fasten the belt ten-
sioner at this position.
1
4
Belt Tensioner
Belt Tensioner Fastening Bolt
Belt Tensioner Pivot Bolt
Belt Tensioner Bolt Torque
a
b
Trigger Base
Mounting Bolts (4)
Trigger Base Bolt Torque
75 lb-in. (8.5 Nm)
30033
30033
90-828631R3 MARCH 1999