Yamaha XVS6501997 Service Manual page 275

:
EB802013
3. Spark plugs
S Check the spark plug condition.
S Check the spark plug type.
S Check the spark plug gap.
Refer to "SPARK PLUG INSPECTION" in
CHAPTER3.
Spark plug gap:
0.8 X 0.9 mm
EB802014
4. Ignition spark gap
S Disconnect the spark plug cap from the
spark plug.
S Connect the ignition checker
Spark plug cap
2
S Turn the main switch to "ON".
S Check the ignition spark gap
S Crank the engine by pushing the starter
switch, and increase the spark gap until a
misfire occurs.
Minimum spark gap:
6.0 mm
EB802015
5. Spark plug cap resistance
S Remove the spark plug cap.
S Connect the pocket tester (Ω
spark plug cap.
CORRECT
as shown.
1
.
a
OUT OF
SPECIFICATION
OR NO SPARK
1k) to the
IGNITION SYSTEM
Standard spark plug:
DPR7EA-9/NGK
X22EPR-U9/DENSO
INCORRECT
Repair or replace the spark plugs.
MEETS SPECIFICATION
The ignition system is not faulty.
7-7
ELEC