Powerhead Installation - Mercury FourStroke 2.5 Service Manual

Powerhead
11. Secure the fuel shutoff valve bracket to the cylinder block with two bolts. Tighten the bolts to the specified torque.
f
Description
Bolt (M6 x 20) with washer

Powerhead Installation

1. Install the fuel shutoff knob into the pan.
2. Clean the driveshaft housing powerhead mounting surface.
3. Install a new gasket.
4. Lubricate the driveshaft splines with 2‑4‑C with PTFE. Do not apply lubricant to the top of the driveshaft.
5. Align the fuel shutoff valve with the shutoff knob.
6. Align the driveshaft to the crankshaft spline and install the powerhead.
Page 4A-42
c
e
d
a a - Oil sight gauge hose
b - Fuel pump inlet hose
c - Fuel shutoff valve
d - Fuel shutoff valve bracket
e - Bolt (M6 x 20) with washer
f - Fuel tank outlet hose
b
50014
Nm lb‑in.
6 53
41773
90-8M0065421 NOVEMBER 2012
lb‑ft