Throttle Body; Throttle Body Removal - Mercury 25 EFI Service Manual

Hose Clamp Tool Kit
3. Install the gasket onto the back side of the fuel cooler.
4. Secure the fuel cooler to the fuel cooler mounting bracket with two bolts. Tighten the fuel cooler mounting bolts to the
specified torque.
5. Install a 16.8 mm diameter hose clamp to the fuel hose. Secure the fuel hose to the fuel cooler. Crimp the hose clamp
using a hose clamp tool.
6. Install the water pump indicator hose to the fuel cooler water exit port. Secure the water pump indicator hose to the fuel
cooler with a spring clamp.
a
b
Description
Fuel cooler mounting bolt
Hose Clamp Tool Kit

Throttle Body

Throttle Body Removal

1. Remove the timing belt cover and the recoil assembly. Refer to Section 8 ‑ Manual Starter.
2. Remove the wire harness. Refer to Section 2B ‑ Engine Wire Harness.
3. Remove the IAC. Refer to Section 3C ‑ Idle Air Control (IAC).
4. Remove the two bolts securing the air horn to the bracket. Disconnect the crankcase breather hose and remove the air
horn from the throttle body.
b
a
90-8M0105568 eng MARCH 2016
a - Bolts securing fuel cooler to bracket (2)
b - Clamp securing fuel hose
c - Water pump indicator hose
c
10379
a - Air horn
b - Crankcase breather hose
c - Bolts securing the air horn (2)
c
11517
© 2016 Mercury Marine
Service Procedures
91‑803146A04
Nm lb. in.
6 53
91‑803146A2
lb. ft.
Page 3C-35