Inspection - Yamaha XZ550RJ 1982 Service Manual

9. Remove the jet plugs, jets, secondary ven-
turi, and accelerator pump nozzle as neces-
sary.
1. Accelerator pump nozzle
10. Remove the accelerator relay rod from the
throttle valve lever. Remove the accelera-
tor pump cover, and remove the spring and
diaphragm.
1. Accelerator relay rod
NOTE:
The accelerator relay rod is properly adjusted and
locked with LOCTITE® at the Yamaha factory.
Never attempt to disassemble or adjust it.
2. Weight 3. Ball
2. Diaphragm

Inspection

1. Examine the carburetor body and fuel pas-
sages. If they are contaminated, wash the
carburetor in a petroleum-based solvent. Do
not use any caustic carburetor cleaning so-
lutions. Blow out all passages and jets with
compressed air.
2. Examine the condition of the floats. If the
floats are damaged, they should be re-
placed.
3. Inspect the float needle valve and seat for
wear or contamination.
components as a set. Inspect the O-ring for
damage, and replace if damaged.
1. O-ring
4. Inspect the rubber diaphragm and spring. If
the diaphragm is torn or spring is damaged,
replace these components as a set.
1. Diaphragm 2. Spring
Replace these
104