Mercury 20 EFI FourStroke

15/20 FourStroke EFI Manual Start Starboard View
Tiller model shown, remote control model similar
a - Oil drain screw
b - Water pump indicator
c - Vapor separator tank (VST) assembly
d - Fuel injector (2)
e - Fuel rail
f - Fuel rail service port with cap
g - Throttle body
h - Throttle position sensor (TPS) connector
NOTE: The TPS is behind (on the port side of) the throttle body.
i - Temperature and manifold absolute pressure (TMAP) sensor
j - Idle air control (IAC) valve
k - Throttle bypass (to IAC valve)
l - Throttle link
m - 14‑pin connector from operator controls
n - Shift cable
o - Copilot handle
p - Tilt lock
e
d
b
g
k
j
l
m
p
62791
o
i
h
n
a
c
d
f
General Information
Page 1C-4 © 2018 Mercury Marine 90-8M0125265 eng NOVEMBER 2017