FUEL SYSTEM
CS-501SX, CS-501SXH
501sx
23
C
A
D
B
C
4-3 Inspecting fuel tank and line
1. Clean fuel tank inside as required.
2. Remove cleaner lid, air fi lter and cylinder cover.
3. Disconnect fuel line (A) from carburetor.
4. Connect Pressure tester 897803-30133 (B) to
fuel line.
NOTE:
To connect pressure tester to fuel line, it is
recommended to use pipe joint V186-000020 (C).
5. Remove fuel cap and pull out fuel strainer from
fuel tank.
6. Pinch fuel line (D) with longnose pliers as
shown.
NOTE:
Wrap the ends of longnose pliers with tape
(or cover with soft pipes) to protect fuel line from
damage.
7. Apply pressure approx. 49 kPa (0.5 kgf/cm
2
) (7
psi).
8. If pressure drops, replace fuel line.
9. Put fuel strainer in fuel tank and fasten fuel cap
securely.
10. Apply pressure approx. 9.8kPa (0.1 kgf/cm
2
)
(1.4 psi).
11. Pressure should not drop. If pressure drops,
leakage may occur from fuel cap, fuel cap O-ring,
mating surface of fuel tank on rear handle, grom-
met, or tank vent. Inspect and replace defective
part(s) with new one.
12. Remove pressure tester and connect fuel line
to carburetor.
