Checking The Ignition Timing - Yamaha 2010 XMAX YP125R Service Manual

7. Install:
• Spark plug
Spark plug
13 Nm (1.3 m·kgf, 9.4 ft·lbf)
TIP
Before installing the spark plug, clean the spark
plug and gasket surface.
8. Connect:
• Spark plug cap
EAS37P1092

CHECKING THE IGNITION TIMING

TIP
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. Stand the vehicle on a level surface.
TIP
Place the vehicle on the centerstand.
2. Remove:
• Timing mark accessing plug "1"
1
3. Connect:
• Timing light "1"
(onto the spark plug lead)
Timing light
90890-03141
Inductive clamp timing light
YU-03141
4. Check:
• Ignition timing
M MMM M MMM M M MMM
a. Start the engine, warm it up for several min-
utes, and then let it run at the specified en-
gine idling speed.
Engine idling speed
1600–1800 r/min
b. Check that the stationary pointer "a" on the
generator cover is within the firing range "b"
on the generator rotor.
Incorrect firing range → Check the ignition
system.
TIP
The ignition timing is not adjustable.
L LLL L LLL L L LLL
5. Disconnect:
• Timing light
6. Install:
• Timing mark accessing plug
(along with the O-ring
Timing mark accessing plug
8 Nm (0.8 m·kgf, 5.8 ft·lbf)
3-10
ENGINE (YP125R)
1
M M MMM M M MMM M
L L LLL L L LLL L
New
)
M MMM M MMM
L LLL L LLL