7. Install pull cable (see Figure 1) end into
the 8:00 position of the cable wheel
and the return cable into the 11:00
position. Secure cables into cable
bracket by replacing end piece and
phillips screw. See figure 2.
INSTRUCTION SUPPLEMENT FOR
1998-LATER YAMAHA
YZ/WR400/426/450F
Removing stock carburetor and cables
Figure 1.
1. Remove seat and gas tank. Make
sure fuel petcock is in “off”
position.
2. Remove throttle cables paying
close attention to routing, as the
new cables will need too be routed
the same.
3. Remove stock carburetor and stock
throttle cables.
Pull Cable
4. Unplug TPS (throttle position
sensor) and tape end off coming
from bike.
Figure 2.
5. Remove hot start button and hose
(for externally mounted hot starts
only).
6. Stuff a dry, clean rag into the
intake manifold to keep debris from
entering engine.
NOTE: It may be easier to remove sub-
frame prior to installation.
SPECIAL NOTE: The Edelbrock
Carburetor was designed to be used
without TPS (throttle position sensor).
We recommend the plug be taped off to
keep debris and water from entering.
With the TPS disconnected there is no
damage that can occur to ignition
system.
Installing the Edelbrock Carburetor and
Throttle Cables
1. Install the provided throttle cables into
OEM throttle housing and place back
onto clean handle bar.
2. Remove the rubber carburetor
alignment tabs from the manifold using
a razor blade or sharp cutters. This
should be done with the rag left in the
manifold. Be very careful not to
damage the manifold or your hands
while doing this!!
3. Remove the hex pipe plug from the
carb cap using a 11mm or 7/16 wrench.
Do not discard plug, as it will be
needed later. Install the metering
adjustment tool included in the
8. Place provided vinyl cap over brass
barb on cylinder and secure with small
tie-wrap. See figure 3.
Figure 3.
hardware kit. Do not over-tighten as
damage may occur to cap.
4. Install provided fuel line onto fuel inlet
banjo and secure with pinch clamp.
5. Place Edelbrock carburetor into
manifold. Do not tighten clamp yet.
6. Remove the cable bracket end from
cable bracket using #2 phillips.
9. Insert aluminum plug into airboot where
hot start button was located. See
figure 4. Secure with oem pinch clamp.
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