Honda V65 Magna-VF1100C 1983 Shop Manual page 360

TROUBLESHOOTING
POOR PERFORMANCE AT LOW AND IDLE SPEEDS
1. Check ignition timing and valve clearance
CORRECT
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2. Check carburetor pilot screw adjustment
CORRECT
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3. Check for leaking intake pipe
NO LEAK
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4. Perform spark test
GOOD SPARK
POSSIBLE CAUSE
I N C O R R E C T - - - - - - - - - - - - - - ( 1 ) Improper valve clearance
(2) Improper ignition timing
(Faulty spark unit)
INCORRECT-------------~
See Fuel System Section
LEAKING - - - - - - - - - - -- - -- (1) Deteriorated insulator 0-i'ing
(2) Loose carburetor
WEAK OR INTERMITTENT SPARK - - - - . . . , ( 1 ) Faulty or fouled spark plug
(2) Faulty spar k unit
(3) Faulty ignition col i
POO R PERFORMANCE AT HIGH SPEED
1. Check ignition timing and valve clearance
CORRECT
. t
2. 01sconnect fuel tube at carburetor
FUEL FLOWS FREELY
!
3. Remove carburetor and check for
clogged jet
NOT CLOGGED JETS
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4. Check valve timing
CORRECT
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5. Check valve spring tension
NOT WEAKENED
INCORRECT - - - - - - - -- -- - - - (1 l Improper valve clearance
(2) Faulty spark unit
(3) Faulty pulse generator
FUEL FLOW RESTRICTED----- - - -(1) Lack of fuel in tank
(2) Clogged fuel line
(3) Clogged fuel tank breather hole
(4) Clogged fuel valve
(5) Faulty fuel pump
C L O G G E D - - - - - - - - -- - - - _ . . Clean
INCORRECT---------- - -- ...,Cam sprocket not installed
properly
WEAK-- - - - - - - - - - -- -- - - . Faulty spring
POOR HANDLING
_____
___,.~ Check
tire pressure
1. If steering
is heavy - - - - - - - - -- - - -- - - -- - - - - - - - -- - -( 1) Steering top th read nut
too
tight.
(2) Damaged steering head bearings
2. If either wheel is
wobbling-------------------------~
(1)
Excessive wheel bearing play
(2) Bent rim
(3) Improperly installed wheel hub
(4) Swingarm pivot bearing
excessively worn
(5) Bent frame
(6) Swingarm pivot adjusting bolt too
tight
3. If the motorcycle pulls to one side
----------------------t~
(1)
Faulty shock absorber
(2)
Front and rear wheels not aligned
(3)
Bent front fork
(4)
Bent swingarm
24-3