XY Powersports XY500UTV, Руководство по обслуживанию

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13. TROUBLESHOOTING
13-15
（
1
）
Starting Failure/Hard Starting
Possible defective part ： 1.Battery ； 2.Starter motor ； 3. Wiring harness or ignition switch;4.engine
mechanism part.
Overhaul:
Ref No. Operation Test result Next Steps
yes next
1
Check the voltage between the two poles of battery
by multimeter, the voltage whether around 8-12V or
not when engine starting.
no Replace battery
yes next
2 Keep ignition switch in engine starting station.
Check positive pole of Starter motor by multimeter,
the voltage whether above 8V or not.
no
Repair or replace
wiring harness
yes
Repair or replace
Starter Motor
3 Remove starter motor and check its working
condition, if circuit break or starter motor locked
because of improper lubricate.
no next
yes
Replace appropriate
grade of lubricating
oil
4 Fault only happens on winter, please check
lubricating oil if is improper for engine which caused
high resistance of starter motor.
no next
yes
Overhaul the
resistance inside of
engine mechanism
5 Check the resistance inside of engine mechanism
whether is high or not, which makes starter motor
stop rotates or rotate slowly.
no Repeat above steps
（
2
）
Engine can rotate but starting failure
Possible defective part
：
1
、
no gasoline in tank
；
2
、
Fuel pump
；
3
、
Trigger
；
4
、
Ignition coil
；
5
、
engine mechanism part.
Overhaul
:
Ref No. Operation Test
result
Next Steps
yes next
1 Contact fuel pressure meter(contact front point of oil
input pipe of injector)
，
open ignition switch and repeat it
if possible, or starting engine, check the fuel pressure
whether is around 300kPa or not
no examine and repair oil
support system
yes next
2 Contact Electronic injection diagnostic meter, observe
item of “engine rotate speed”, starting engine, and
observe the rotate speed signal if is normally output.
no examine and repair
sensor wiring of rotate
speed
yes next
3 Pull out ignition coil, and contact with spark plug, keep
pole of spark plug 5mm with body of engine, starting
engine and check it whether has blue-white high spark.
no Examine and repair
ignition system.
13