KYMCO UXV 500i Service Manual page 408

13. FUEL INJECTION SYSTEM
INSTALLATION
Apply the engine oil to a new O-ring.
Install the fuel injector into the fuel pipe.
Ensure the clip of the fuel injector inserted
into the groove of the fuel pipe.
Install the fuel pipe into the intake manifold
Be careful not to damage the O-ring.
Tighten the fuel pipe mounting bolts.
FUEL INJECTOR CLEANING
PROBLEM
1. Fuel Injector cannot output the fuel.
2. The Injector injection time (ms) is shorter
or longer.
Standard: See the KYMCO Diagnostic
report
ANALYSIS
Injector block (With some carbons).
TROUBLESHOOTING
1. Use the specified injector cleaner.
2. Pouring the liquid of injector cleaner until
half container.
3. Connect the battery as picture.
4. The injector cleaner with the flash relay.
5. Keeping the fuel Injector operation.
6. Waiting for 20~30 minutes.
7. Cleaning the carbons completely.
22-23
O-ring
Fuel
Injector
Container
Flash Relay
UXV500i
Groove
clip
Injector
cleaner
Battery