Suzuki VLR1800, Service Manual

Page: 362 / 624

1H-6 Ignition System:
Spark Plug Removal and Installation
B822H11806010
Removal
1) Remove the ignition coil/plug cap and spark plug
cap. Refer to “Ignition Coil / Plug Cap and Spark
Plug Cap Removal and Installation (Page 1H-4)”.
2) Remove the spark plugs with the special tool.
Special tool
(A): 09930–10121 (Spark plug wrench set)
Installation
Install the spark plugs in the reverse order of removal.
Pay attention to the following points:
• Screw the spark plugs into the cylinder head with
fingers, and then tighten them to the specified torque.
CAUTION
!
Do not cross thread or over tighten the spark
plug, or such an operation will damage the
aluminum threads of the cylinder head.
Special tool
(A): 09930–10121 (Spark plug wrench set)
Tightening torque
Spark plug: 11 N·m (1.1 kgf-m, 8.0 lb-ft)
Spark Plug Inspection and Cleaning
B822H11806002
Refer to “Spark Plug Inspection and Cleaning in Section
0B (Page 0B-10)”.
Ignition Coil / Plug Cap / Ignition Coil Inspection
B822H11806003
Refer to “Electrical Components Location in Section 0A
(Page 0A-7)”.
Ignition Coil / Plug Cap Primary Peak Voltage
1) Remove the fuel tank. Refer to “Fuel Tank Removal
and Installation in Section 1G (Page 1G-8)”.
2) Disconnect the two ignition coil/plug cap coupler (1).
Refer to “Ignition Coil / Plug Cap and Spark Plug Cap
Removal and Installation (Page 1H-4)”.
3) Connect new spark plug to each ignition coil/spark
plug cap.
4) Connect all the ignition coil/plug cap lead wire
couplers to the ignition coil/plug caps respectively,
and ground them on the cylinder head.
5) Connect new spark plugs to each ignition coil/spark
plug cap and ground them to the cylinder head.
NOTE
Be sure that all the spark plugs are
connected properly and the battery used is in
fully-charged condition.
(A)
I822H1180010-01
(A)
I822H1180011-01
“A”: New spark plug “B”: Contact to the cylinder head
I822H1180012-01
“A”
“B”
I822H1180025-02