INSTRUCTION SUPPLEMENT
1993-LATER HONDA
TRX300EX
Figure 1.
Twist Throttle
Removing Stock Carb and Cables
1. Remove stock thumb throttle
housing from handle bar end.
1. Remove seat/fender assembly and fuel
tank.
2. Install cables into supplied twist
throttle housing by clamping the end
with the plastic elbows into throttle
housing.
2. Remove throttle cables paying close
attention to routing.
3. Remove thumb throttle housing if you are
installing a twist throttle.
3. Install the pull (see figure 3 for cable
identification), cable end into the 8:00
position and the idle cable end into the
11:00 position on the cable wheel. See
Figure 2.
4. Remove air box.
5. Remove stock carburetor.
6. Stuff a clean rag into intake manifold to
keep debris from entering engine.
Figure 2.
Preparing machine for carburetor
installation
1. Route the provided throttle cables per
manufacturer’s recommended procedure,
routing them the same as the stock cables.
2. Remove the rubber alignment tabs from
the manifold using a razor blade or cutters.
Be very careful not to damage the intake
manifold!
Figure 3.
Thumb Throttle
1. Thread cable into cable housing ob
handle bar and install cable end into throttle
lever. Refer to service manual for assistance
disassembling and reassembling throttle
housing.
Pull Cable
2. Attach cable into cable wheel with the
cable end at the 8:00 position of the cable
wheel, then into bracket. Secure by
replacing the cable bracket end and phillips
screw. See Figure 1.
3. Adjust the pull cable to achieve wide-
open throttle. Adjust the idle cable to take
up the slack. When cables are properly
adjusted, there should be approx. 1/8” of
free-play in the throttle.
Edelbrock Carburetor Installation
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