Section05FUELSYSTEM
Subsection 01 (CARBURETOR)
NOTE: Injectors are also equipped with check
valves.
F04F0JB
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2
TYPICAL
1. Install pump gauge tester to injector hose
2. Injector
Pump tester. Injector check valve should open at
19.4 kPa ± 4.7 (2.8 ± .6 PSI).
NOTE: If the obtained pressure is too low, the
check valve is leaking. If it is too high, less fuel will
be delivered which may lead to engine hesitation
under acceleration.
ASSEMBLY
When assembling pump, ensure to properly posi-
tion components together. Refer to previous illus-
trations if necessary.
Choke Plate and Throttle Plate
When installing choke plate no. 11 or throttle plate
no. 12 onto shaft(s), close plate so that it cen-
ters into carburetor bore. Apply Loctite 243 (blue)
(P/N 293 800 060) on thread screws then firmly
tighten screws.
Needle Valve Lever
Rounded end of needle valve lever no. 13 must
be flush with surrounding metering chamber floor
and not with body assembly. Place the end of a
ruler over lever to check adjustment.
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F01F0ZA
3
2
1. Metering chamber floor
2. Lever end
3. Flush
To adjust, bend lever very slightly to change its
height.
CAUTION: When adjusting lever, do not pry
it so that it applies pressure on needle. This
could damage valve seat/needle.
F01F0HB
1 2
HIGH LEVER
1. Depress here
2. Push tab down
90 smr2005-052
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