Model 135/150 Dfi Powerhead Top View - Mercury Optimax 115 Service Manual

GENERAL INFORMATION

Model 135/150 DFI Powerhead Top View

18
17
14
13
1 - Air Compressor Inlet Nozzle
2 - Water Outlet (Tell-Tale) Hose
3 - Thermostat Outlet Hose to Adaptor Plate
4 - Fuel (90 PSI) to Fuel Rails
5 - 40 psi Check Valve
6 - Fuel Return to Vapor Separator
7 - Belt Tensioner
8 - 60 Ampere Alternator
9 - Electric Fuel Pump
10 - Throttle Plate Assembly
11 - Crank Position Sensor
Page 1C-12
20
19
15
21
16
12
11
10
2
7
22
23
9
12 - MAP Sensor Hose
13 - Oil Return Hose from Air Compressor
14 - Starter Motor
15 - Oil Hose from Oil Pump to Air Compressor
16 - Serial Number Plug
17 - Fuel Pressure Test Valve
18 - Air Hose (80 PSI) to Fuel Rail
19 - Check Valve
20 - Air Compressor
21 - Starboard to Port Thermostat Hose
22 - Vent Canister
23 - Throttle Plate Adjustment Screw
1
3
5
6
8
4
57313
90-855347R1 JANUARY 1999