FUEL SYSTEM
5-8
FLOAT VALVE
Check the float valve and its seat [1] for wear or
contamination.
Check the valve seat [2] for clogs.
Before installation, check for wear or a weak float valve
spring [3].
Check the operation of the float valve.
PILOT SCREW REPLACEMENT
Leave the pilot screw [1] and limiter cap [2] in place
during carburetor cleaning. Remove only if necessary
for carburetor repair.
Removal of the limiter cap requires breaking the pilot
screw. A new pilot screw and limiter cap must be
installed.
When the limiter cap has been broken off, remove the
broken pilot screw.
Place the spring on the replacement pilot screw, and
install it on the carburetor.
Turn the pilot screw in until it is lightly seated and then
turn the screw out the required number of turns.
Refer to the table above for carburetor pilot screw initial
opening setting.
Apply LOCTITE
®
638 or equivalent to the inside of the
limiter cap and then install the cap so the stop prevents
the pilot screw from being turned counterclockwise.
Apply LOCTITE
®
638 or equivalent to the inside of the
limiter cap and then install the cap.
Be careful to avoid turning the pilot screw while
installing the limiter cap. The pilot screw must stay at its
required setting.
REPLACE
CLEAN
OK
[1]
[3]
[2]
PILOT SCREW OPENING: 2
–
1/2 turns out
BE69G A
carburetor only:
RA07 A carburetor
only:
Pilot screw will break at narrow point.
[1]
[2]
[2]
[1]
STOP
BE69G A shown:
Summary of Contents for FQ650
Page 7: ...MEMO ...
Page 21: ...SERVICE INFORMATION 2 8 TUBE ROUTING FUEL TUBE BREATHER TUBE HIGH TENSION CORD ...
Page 37: ...MEMO ...
Page 43: ...MEMO ...
Page 45: ...FUEL SYSTEM 5 2 FUEL SYSTEM TOOLS Float level gauge 07401 0010000 ...
Page 53: ...MEMO ...
Page 67: ...MEMO ...
Page 74: ...9 1 9 dummytext 9 MUFFLER MUFFLER REMOVAL INSTALLATION 9 2 ...
Page 76: ...10 1 10 dummytext 10 ENGINE REMOVAL INSTALLATION ENGINE REMOVAL INSTALLATION 10 2 ...
Page 78: ...11 1 11 dummytext 11 CLUTCH PULLEY V BELT REMOVAL INSTALLATION 11 2 ...
Page 81: ...MEMO ...
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