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CHAPTER 8°
TROUBLESHOOTING
FAILURE TO START/DIFFICULTIES IN STARTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
FUEL SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
ELECTRICAL SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
POOR ENGINE COMPRESSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
POOR PERFORMANCE AT IDLE SPEED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
UNSATISFACTORY PERFORMANCE AT MEDIUM-HIGH SPEED . . . . . . . . . . . . . . . . . 8-3
DIFFICULTIES IN SHIFTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4
SHIFTING IMPOSSIBLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4
THE SHIFT PEDAL FAILS TO MOVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4
DISENGAGING GEARS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4
CLUTCH SLIDES OR FAILS TO RELEASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5
CLUTCH SLIDES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5
CLUTCH FAILS TO RELEASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5
DEFECTIVE BRAKES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
POOR BRAKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
OIL LEAKS OR MALFUNCTIONING OF FRONT FORK . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
OIL LEAKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
MALFUNCTIONING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
UNSTABLE STEERING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7
DEFECTIVE FUNCTIONING OF LIGHTS AND INDICATORS . . . . . . . . . . . . . . . . . . . . . 8-8
POOR HEADLIGHT ILLUMINATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8
FREQUENT BURNING OF BULB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8
DIRECTION INDICATORS FAIL TO TURN ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8
DIRECTION INDICATORS FAIL TO TURN OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8
DELAYED TURNING ON OF INDICATORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9
EXCESSIVE INDICATOR INTERMITTENCE FREQUENCY . . . . . . . . . . . . . . . . . . . 8-9
THE HORN FAILS TO WORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9
OVERHEATING OF ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9
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DEFECTIVE FUNCTIONING OF LIGHTS AND INDICATORS
8-8
TRBL
SHTG
?
PROBABLE CAUSES
•Incorrect bulb
•Excessive absorption of electrical accessories
•Difficulties in charging (charging coil broken
and/or rectifier/regulator defective)
•Uncertain connections
•Wrong negative earthing
•Insufficient contacts (main switch)
•Bulb gone
HEADLIGHT DOES NOT LIGHT
PROBABLE CAUSES
•Light relay/diode defective
•Incorrect bulb
•Rectifier/regulator defective
•Wrong negative earthing
•Main switch defective
•Bulbs gone
FREQUENT BURNING OF BULB PROBABLE CAUSES
•Wrong negative earthing
•Battery flat
•Defective direction indicator switch
•Indicator lamp relay defective
•Harness cut off
•Connector loose
•Bulb gone
DIRECTION INDICATORS FAIL TO TURN ON
PROBABLE CAUSES
•Indicator lamp relay defective
•Insufficient battery capacity
(battery almost flat)
•Bulb (front or rear) burnt out
•Direction indicator switch defective
DIRECTION INDICATORS FAIL TO TURN OFF
DEFECTIVE FUNCTIONING OF LIGHTS AND INDICATORS
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