Checking The Ignition Timing - Yamaha YP400T Service Manual

CHECKING THE IGNITION TIMING

1
EAS00064
CHECKING THE IGNITION TIMING
NOTE:
_
Prior to checking the ignition timing, check the
wiring connections of the entire ignition sys-
tem. Make sure all connections are tight and
free of corrosion.
1. Remove:
• storage box lower plate
Refer to "RIDER SEAT AND STORAGE
BOX".
2. Remove:
• timing plug
3. Connect:
• timing light 1
Timing light
90890-03141, YU-03141
4. Check:
• ignition timing
M MMM M MMM M M MMM M
a. Start the engine, warm it up for several min-
utes, and then let it run at the specified
engine idling speed.
Engine idling speed
1,300 ~ 1,500 r/min
b. Check that the stationary pointer a is within
the firing range b on the generator rotor.
Incorrect firing range → Check the ignition
system.
NOTE:
_
The ignition timing is not adjustable.
L LLL L LLL L L LLL L
5. Install:
• timing plug
6. Install:
• storage box lower plate
Refer to "RIDER SEAT AND STORAGE
BOX".
3 - 20
CHK
ADJ
M MMM M M MMM M M MMM M MMM
L LLL L L LLL L L LLL L LLL
8 Nm (0.8 m · kg, 5.8 ft · lb)