Honda CRF250X 2007, Owner'S Manual & Competition Handbook

Page: 136 / 185

Carburetor Adjustment & Tuning Tips
Adjustments for Competition
131
Carburetor Disassembly
1. Pull up the cable clamp (1) and remove the
carburetor top cover bolts (2).
Then remove the carburetor top cover (3).
(1) cable clamp
(2) carburetor top cover bolts
(3) carburetor top cover
2. Remove the jet needle/holder assembly (4)
from the throttle valve (5).
(4) jet needle/holder assembly
(5) throttle valve
3. Remove the link arm set torx screw (6).
When installing the link arm set torx screw,
apply a locking agent to the link arm set torx
screw threads.
4. Remove the throttle valve (7), throttle valve
roller (8) and floating valve (9).
(6) link arm set torx screw (8) throttle valve roller
(7) throttle valve (9) floating valve
(2)
(1)
(3)
(5)
(4)
(6)
(7)
(9)
(7)
(8)
10. Remove the throttle drum cover bolt (8) and
throttle drum cover (9).
(8) throttle drum cover bolt
(9) throttle drum cover
11.Remove the throttle cables (10) by looseing
the throttle cable lock nut (11) and adjusting
nuts (12).
(10) throttle cables
(11) throttle cable lock nut
(12) adjusting nuts
(cont’d)
(8)
(9)
(12)
(11)
(10)
130-139.qxd 06.7.4 14:28 ページ131