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Kawasaki FC540V Carburetor
Kawasaki FC540V carburetor is float type with adjustable pilot screw
(idle mixture), fixed main jet, and float chamber drain screw.
Kawasaki FC540V carburetor parts:
1 - Choke shaft, 2 - Collar, 3 - Spring, 4 - Choke valve, 5 - Screw, 6 -
Ring, 7 - Pilot jet, 8 - Screw, 9 - Pilot screw, 10 - Spring, 11 -
Throttle shaft, 12 - Seal, 13 - Throttle valve, 14 - Screw, 15 - Main
air jet, 16 - Pilot air jet, 17 - Needle valve, 18 - Clip, 19 - Main
nozzle, 20 - Bleed pipe, 21 - Main jet, 22 - Float, 23 - Float pin, 24 -
Gasket, 25 - Float chamber, 26 - Drain screw, 27 - Spring, 28 - Bolt, 29
- Washer, 30 - Collar, 31 - Spring, 32 - Screw, 33 - O-ring, 34 - Plate,
35 - Seal, 36 - Collar, 37 - Carburetor body
Kawasaki FC540V carburetor removing
Before removing carburetor from engine, drain fuel in float chamber to
suitable container loosening drain screw (A).
Float chamber removal
Before removing float chamber, rotate float chamber clockwise and
counterclockwise for 1/6 turns 2 or 3 times, pushing float chamber to
carburetor body to release sticking of float chamber and rubber gasket.
Kawasaki FC540V carburetor - Cleaning and
checking
Do not clean jet orifices with hard object. Dip carb components except
non-metaric parts such as gasket into carburetor cleaner until dirt is
removed and rinse them with solvent. Rinse carb aluminum components in
hot water to neutralize corrosive action of cleaner, if so instructed by
the manufacturer.
Dry components with compressed air. Make sure all orifices and passages
are free from dirt or foreign object. Do not use rags or paper to dry
components to avoid plugging orifices by lint. Check diaphragm for
crack, tear, or pin hole. If defect is found, replace it.
Kawasaki FC540V carburetor adjustment
Float adjustment
Do not strike float pin to remove or install it, to avoid breakage of
pin holder. To remove float pin, pull the transformed end with pliers.
To install float pin, push float pin transformed end until the other end
flushes with pin holder outer surface.
Do not push down float or needle valve when checking parallelism. Check
float angle and correct it as follows. Place carburetor upside down and
check whether float surface (A) is parallel with carb. body (B) when
float tang (C) just begins to come in contact with point of needle valve
(F). If not parallel, adjust float surface angle bending tang (C) with
needle-nose pliers.
Slow idle speed adjustment
Turn Kawasaki FC540V carburetor pilot screw (B) in until it just seats
and then back out 1-1/2 turns. Start and warm up engine without load.
Move throttle lever on dash to "SLOW" position. Adjust slow idle speed
to specified rpm by moving throttle stop screw (A). Adjust pilot screw
(B) until engine idles at maximum speed and then turn pilot screw out
additional 1/4 turn. Readjust slow idle speed, to specified rpm.
Fast idle speed adjustment
Air cleaner must be installed to engine before starting. Start and warm
up engine without load. Loosen two control plate bolts (I). Align hole
(B) of speed control lever (C) with hole (D) of control plate (E) and
insert 6 mm (0.24 in.) diameter pin or 6 mm bolt through two holes.
Make sure choke valve is fully opened. Adjust fast idle speed for specified rpm by moving control plate (E). Tighten two bolts (I) securely in a manner to avoid changing specified speed. Stop engine, remove 6 mm pin, and set throttle lever on dash in "CHOKE" position. Make sure carburetor choke valve is closed completely.
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KOHLER ENGINES SPECS AND SERVICE DATA |
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KAWASAKI ENGINES SPECS AND SERVICE DATA |
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BRIGGS AND STRATTON ENGINES SPECIFICATIONS |
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HONDA ENGINES SPECS AND SERVICE DATA |
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