Carburetor Disassembly/Assembly - Honda CRF150R 2020 Owner's Manual & Competition Handbook

Carburetor Adjustments & Tuning Tips

Carburetor Disassembly/Assembly

1. Pull up the cable clamp (1) and remove the
carburetor top screws (2).
Then remove the carburetor top (3).
(2)
(1) cable clamp
(2) carburetor top screws
(3) carburetor top
2. Remove the jet needle/holder assembly (4)
from the throttle valve (5).
(4)
(4) jet needle/holder assembly
(5) throttle valve
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Adjustments for Competition
3. Remove the link arm torx screw (6).
When installing the link arm torx screw, apply
a locking agent to the link arm torx screw
threads.
4. Remove the throttle valve (5).
(3)
(1)
(5) throttle valve
(6) link arm torx screw
5. Remove the floating valve (7) and roller (8)
from the throttle valve.
(5)
(8)
(7) floating valve
(5)
(6)
(7)
(8) roller
When installing the floating valve (7) onto the
throttle valve (5), make sure the floating
valve's flat side faces out and the hole (9) faces
down.
(5)
(9)
(5) throttle valve
(7) floating valve
(9) hole
(7)