Honda CRF450X 2007 Owner's Manual page 138

11.Remove the throttle drum cover bolt (10) and
throttle drum cover (11).
(10) throttle drum cover bolt
(11) throttle drum cover
12.Remove the throttle cables (12) by looseing
the throttle cable lock nut (13) and adjusting
nuts (14).
(12)
(12) throttle cables
(13) throttle cable lock nut
(14) adjusting nuts
Carburetor Disassembly/Assembly
1. Pull up the cable clamp (1) and remove the
carburetor top bolts (2).
(10)
Then remove the carburetor top (3).
(1)
(11)
(3)
(1) cable clamp
(2) carburetor top bolts
(3) carburetor top
(14)
2. Remove the jet needle holder (4) and jet
needle (5) from the throttle valve (6).
(13)
(4) jet needle holder
(5) jet needle
(6) throttle valve
Carburetor Adjustment & Tuning Tips
(2)
(5)
(4)
(6)
3. Remove the link arm torx screw (7).
When installing the link arm torx screw, apply
a locking agent to the link arm torx screw
threads.
4. Remove the throttle valve (8), throttle valve
roller (9) and floating valve (10).
(7)
(10)
(8)
(7) link arm torx screw (9) throttle valve roller
(8) throttle valve (10) floating valve
Adjustments for Competition
(8)
(9)
(cont'd)
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