Yamaha YZF-R6T Supplementary Service Manual page 484

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
EAS00743
4. Ignition spark gap
The following procedure applies to all of the
spark plugs.
S Disconnect the ignition coil from the spark
plug.
S Connect the dynamic spark tester
ignition coil 2 as shown.
S Turn the main switch to "ON".
S Measure the ignition spark gap
S Crank the engine by pushing the starter
switch and gradually increase the spark gap
until a misfire occurs.
Minimum ignition spark gap
6 mm (0.24 in)
S Is there a spark and is the spark gap within
specification?
NO
email: info@motomatrix.co.uk
1 and
a
.
YES
The ignition system
is OK.
8-10
IGNITION SYSTEM
EAS00747
5. Ignition coil resistance
The following procedure applies to all of the
ignition coils.
S Disconnect the ignition coil leads from the
wire harness.
S Connect the pocket tester (Ω
ignition coil as shown.
Positive tester probe !
Negative tester probe !
S Measure the primary coil resistance.
Primary coil resistance
0.17 X 0.23 Ω at 20_C (68_F)
S Connect the pocket tester (Ω
ignition coil as shown.
Negative tester probe !
ignition coil terminal
Positive tester probe !
spark plug terminal
S Measure the secondary coil resistance.
Secondary coil resistance
4.8 X 7.2 kΩ at 20_C (68_F)
S Is the ignition coil OK?
YES
ELEC
1) to the
ignition coil terminal
ignition coil terminal
1k) to the
1
2
NO
Replace the ignition
coil.