Suzuki 2005 GSF1200 Service Manual page 32

0B-6 Maintenance and Lubrication:
Spark Plug Inspection and Cleaning
Refer to "Spark Plug Removal and Installation: ".
Inspect spark plug
Every 6 000 km (4 000 miles, 12 months)
Replace spark plug
Every 12 000 km (7 500 miles, 24 months)
Heat Range
Check spark plug heat range by observing electrode
color.
If it is white or glazed appearing, replace the spark plug
with colder type one.
Heat range
Standard
NGK JR9B
Carbon Deposits
Check to see if there are carbon deposits on the spark
plug.
If carbon is deposited, remove it using a spark plug
cleaner machine or carefully use a tool with a pointed
end.
Spark Plug Gap
Measure the spark plug gap using a thickness gauge.
Adjust the spark plug gap if necessary.
Spark plug gap
0.6 – 0.7 mm (0.024 – 0.028 in)
Special tool
(A): 09900–20803 (Thickness gauge)
(A)
B649G10206004
Cold type Hot type
JR10B JR8B
I649G1020010-01
I649G1020011-03
Electrodes Condition
Check to see the worn or burnt condition of the
electrodes.
If it is extremely worn or burnt, replace the plug. And also
replace the plug if it has a broken insulator, damaged
thread.
Exhaust Pipe Bolt and Muffler Mounting Bolt
Inspection
Tighten exhaust pipe bolt and muffler mounting bolt
Initially at 1 000 km (600 miles, 2 month) and every
12 000 km (7 500 miles, 24 months) thereafter.
Check the exhaust pipe bolts, muffler mounting bolts and
nut to the specified torque.
Tightening torque
Exhaust pipe bolt (a): 23 N·m (2.3 kgf-m, 16.5 lb-ft)
Muffler mounting bolt (b): 23 N·m (2.3 kgf-m, 16.5
lb-ft)
Muffler connecting bolt (c): 23 N·m (2.3 kgf-m, 16.5
lb-ft)
(a)
(b)
B649G10206021
(a)
(a)
I649G1020054-03
(b )
(c)
I649G1020053-02