S&S Cycle VFI Induction System User Manual
Page 6
c.
From the right side of the engine, slide the
fuel rail/manifolds assembly into installed
position. Guide the fuel line into position
around the motor mount. Guide the manifold
assembly to enable the open ended slots on
the manifold flanges to engage the hex
head screws.
d.
Slip each gasket up into place and secure
assembly in place using
5
/
16
"-18 socket head
cap screws. TIGHTEN ONLY TO TAKE UP
SLACK. DO NOT COMPLETELY TIGHTEN
SCREWS AT THIS TIME.
2. Install Intake Air Temperature Sensor
a.
Install the Intake Air Temperature (IAT) sensor
and TORX T10 screws from the OEM manifold
onto the S&S
®
VFI manifold, using the new
gasket provided in the kit, install with wiring
harness already attached. Tighten screws to 6
in-lbs.
See Picture 12.
3.
Install Throttle Body
a. Place a throttle body gasket between the
manifolds and throttle body.
See Picture 13.
b. Attach the throttle body with the IAC motor pointing
up. Use four (4)
1
/
4
"-20 x
7
/
8
" socket head cap
screws, provided in the kit, and thread the screws
in a few turns. DO NOT TIGHTEN SCREWS AT
THIS TIME.
See Picture 14.
c.
Plug in the wiring harness connectors to the
injectors, TPS, and IAC motor. The injector
harness is labeled (F)ront and (R)ear to ensure
correct assembly. The TPS wiring harness may
need to be extracted an additional distance from
the main harness to comfortably reach the TPS.
TPS and ignition coil connectors are the same,
so ensure they are installed correctly.
4.
Install Manifold Absolute Pressure Sensor
(MAP Sensor)
a.
Remove stock rubber sealing grommet from
existing MAP sensor.
6
Picture 12
Intake Air
Temperature
Sensor
Picture 13
Picture 14
Picture 15
MAP Sensor
MAP sensor
vacuum hose to
rear manifold
spigot in all
applications.
MAP sensor must be installed on the rear intake manifold
spigot for correct engine operation. Installation to the front
manifold will result in an incorrect signal to the VFI module.