Honda CR85 Expert Owner's Manual page 96

Carburetor Adjustments & Tuning Tips
7. Change the jets as required.
(4)
(3) main jet (4) slow jet
8. Reinstall the float bowl and its plug securely.
9. Remove the carburetor top, throttle valve and
throttle cable (page 93), and then change the
jet needle clip position as required.
10.Reinstall the jet needle, throttle valve, cable
holder and carburetor top (page 93).
11.Turn the carburetor upright and tighten its
clamp screws.
12.Adjust the air screw opening required.
Reconnect the fuel line at the carburetor.
13.Repeat steps 2 through 11 until the engine
gives maximum power with the correct spark
plug reading. It is always better to jet a little
rich than a little lean. It is advisable to record
the settings, course conditions, lap times, and
climatic and barometric conditions for future
reference.
92
Adjustments for Competition
Carburetor Disassembly/Assembly
1. Turn the fuel valve off.
2. Disconnect the fuel line (1) from the
carburetor.
3. Loosen the insulator and connecting tube
clamp screws (2).
(3)
(1)
(1) fuel line
(2) insulator and connecting tube clamp screws
4. Remove the carburetor to the left side.
Be careful not to damage around the throttle
sensor.
Do not assemble or move the carburetor while
holding the throttle sensor lead.
5. Remove the screws (3) and carburetor top (4),
then pull out the throttle valve.
(2)
(3) screws
(4) carburetor top
(4)
(3)