Troubleshooting - KYMCO AGILITY 125 Service Manual

5
. FUEL SYSTEM

TROUBLESHOOTING

Engine is hard to start
No spark at plug ( Section 15)
Compression too low
No fuel to carburetor
Clogged fuel filter
Restricted fuel line
Faulty float valve
Incorrectly adjusted float level
Engine flooded with fuel
Clogged air cleaner
Fuel overflowing
Intake air leak
Contaminated fuel
Faulty auto bystarter
Clogged idle system or auto bystarter passages Lean mixture
Rich mixture
Faulty auto bystarter
Faulty float valve
Float level too high
Clogged air jets
Dirty air cleaner
Flooded carburetor
Backfiring at deceleration
Lean mixture in idle system
Improper air cut-off valve operation
5-3
Misfiring during acceleration
Faulty ignition system
Lean mixture
Faulty accelerating pump
Engine idles roughly, stalls or runs poorly
Clogged fuel system
Ignition malfunction
Rich or lean mixture
Contaminated fuel
Intake air leak
Incorrect idle speed
Incorrectly adjusted pilot screw
Clogged idle system or auto bystarter passages
Incorrectly adjusted float level
Clogged fuel jets
Faulty float valve
Float level too low
Clogged fuel system
Intake air leak
Improper vacuum piston operation
Improper throttle operation
AGILITY 50