(Ix)Inspection Of Ignition Timing - ATV 250 Service Manual

(IX)Inspection of ignition timing

Notice:
Before checking the correct timed ignition
adjust the engine idle speed and free clear-
ance of throttle grip to correct position.
1.Put the vehicle on the flat groud.
2.Start the engine for pre-heating ,and then
stop the engine.
3.Mount induction engine tachometer (90890-
03113)
4.Mount correct timed ignition meter on con-
nection line of spark plug cap(9890-00314)
5.Inspection of ignition timing.
Inspection steps:
a.Take off plug ¢Ù
b.Start the engine, and make the engine run at
1450r/min-1550r/min idle speed.
Warning
When the engine is running, the machine, oil
maybe splash out, so be careful to start the
engine.
c.Check if the mark ¢Úon the crankcase is in
the range¢Û of ignition under the magneto ro-
tor indication.If it is out of range, check if the
rotor and pulse coil is loosen or damaged.
(Refer to chapeter 4 electricity)
¢Ù
Caution
Ignition timing can't be adjusted.
6.Mount plug¢Ù
7.Take off ignition timing meter induction en-
gine tachometer.
-61-