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1. Carefully trim the rubber alignment tab off of
the face of the manifold with a razor blade or
side cutters.
2. 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 hardware kit. Do not over-tighten as
damage may occur to cap.
3. Attach fuel line to carburetor and secure with
clamp.
4. Place carburetor into manifold and air boot.
Tighten clamps with carb sitting as close to
vertical as possible.
5. Lay cables in on top of plastic heat guard as
shown in figure 4.
Figure 4.
6. Adjust throttle cable to take up the slack in
the throttle. Note: When throttle cables are
properly adjusted, there should be
approx. 1/8” of free play in the throttle.
7. After throttle cables have been adjusted the
handle bars should be rotated from full right
stop to full left stop while opening and
closing throttle to ensure smooth operation.
Also check to make sure the cables do not
catch or bind on anything, i.e., hand guards,
stabilizers.
8. Install fuel tank and connect fuel line to
petcock and secure with provided pinch
clamp. Do not bolt tank in place, as minor
adjustments may be necessary and my be
easier with the tank off.
9. Turn fuel petcock to “on” and check for
leaks.
10. Open throttle 3-5 times to prime accelerator
pump. Do not open throttle any more than
5 times as this may flood engine!!
11. Once pump is primed, If Motor will not fire
open idle cable ½ turn and repeat starting
process.
NOTE: If flooding occurs, slowly open
throttle to wide open and hold. With
throttle still open engage starter until
engine fires.
For any questions regarding tuning or
installation of Edelbrock products, please
call our toll free tech line M-F 8:00am-12:
30pm, 1:30pm-5:00pm PST.
877-888-7504 ext.2.
Edelbrock #3198 and #3199
TRX450R Carburetor Specifications
Bore Size: 40mm
Needle: 24E @ 18 Clicks
Accelerator Pump Bypass: 2 1/4
turns out
Alternate Needles: 22E, 26E
Main Jet: 82
Alternate main Jets: 80, 84
Replacement Cable
Thumb #9339
Twist #9355