Honda 2000 XR50R Service Manual page 63

Install the jet needle into the throttle valve and
secure
it with
the needle clip retainer.
Check the seal ring is in good condition, replace if
necessary.
Install the throttle valve spring onto the throttle
cable.
Connect the throttle cable to the throttle valve while
compressing the throttle valve sprin g.
Install the throttle valva into the carburetor body.
aligning its cut-out with the throttle stop screw.
FUEL SYSTEM
THROTTLE VALVE
JET NEEDLE
~ "["
'..4
5-9