Checking The Ignition Timing - Yamaha XVS250 2001 Service Manual

CHECKING THE IGNITION TIMING

EAS00062
CHECKING THE IGNITION TIMING
NOTE:
Prior to checking the ignition timing, check the
wiring connections of the entire ignition system.
Make sure that all connections are tight and free
of corrosion.
1. Remove:
2. Install:
3. Check:
a. Start the engine, warm it up for several min-
b. Check that the mark a on the generator ro-
NOTE:
The ignition timing is not adjustable.
4. Install:
3-14
S timing plug 1
S timing light 1
S engine tachometer 2
(to the spark plug lead of cyl. #1)
Timing light
90890-03141
Engine tachometer
90890-03113
S ignition timing
utes, and then let it run at the specified en-
gine idling speed.
Engine idling speed
1,200 X 1,400 r/min
tor is within the firing range b on the genera-
tor cover.
Incorrect firing range  Check the ignition
system.
S timing plug 1
CHK
ADJ