Mercury 90 - Accelerator Pump Installation (4 Cylinder Models)

4-60 - POWERHEAD 90-830234R3 DECEMBER 1997
4 Cylinder Models
a
b
25914
a - Intake Manifolds
b - Reed Block Assemblies
4 Cylinder Models
87
3
1
4
2
6
5
78
4
3
12
6
9
5
9
Torque each intake manifold, in sequence, to 18 lb.
ft. (24.4 Nm).
Accelerator Pump Installation
(4 Cylinder Models)
• Install accelerator pump check valves and hoses.
4 Cylinder Models
b
a
25913
a - Accelerator Pump Hoses
b - Check Valves
• Install accelerator pump with 2 bolts. Torque bolts
to 130 lb. in. (14.7 Nm).
NOTE: After powerhead reassembly is complete, re-
fer to Section 2C for proper positioning of accelerator
pump against throttle cam.
4 Cylinder Models
a
b
25963
a - Bolts [Torque to 130 lb. in. (14.7 N·m)]
b - Accelerator Pump