Honda CR250R Owner's Manual & Competition Handbook page 113

Carburetor Adjustments & Tuning Tips
7. Remove the throttle cable (9) and collar (10)
from the cable holder (11).
8. Remove the collar and throttle valve spring
(12) from the throttle cable.
9. Remove the throttle cable holder and jet
needle (13) from the throttle valve (14).
(10)
(14)
(11)
(13)
(9) throttle cable (12) throttle valve spring
(10) collar (13) jet needle
(11) cable holder (14) throttle valve
108
Adjustments for Competition
10. 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.
11. Remove the float chamber screws (15) and
float chamber (16).
WARNING
(9)
Gasoline is highly flammable and
explosive. You can be burned or
seriously injured when handling fuel.
(12)
• Stop the engine and keep heat, sparks
and flame away.
• Handle fuel only outdoors.
• Wipe up spills immediately.
(15)
(15) float chamber screws (16) float chamber
12. Use a float level gauge (17) to measure the
float level (18) with the float tab just
contacting the float valve and the carburetor
intake (19) facing up. The float level should
be 0.30 in (7.5 mm). Adjust the float level by
bending the float tab carefully.
(19)
(17) float level gauge
(18) float level
13. To assemble, reverse the disassembly
procedures.
To install the carburetor, reverse the removal
(16)
procedures.
(18)
(17)
(19) carburetor intake