Suzuki GSF1250 Service Manual page 35

Exhaust Pipe Bolt and Muffler Bolt Inspection
Tighten exhaust pipe bolts, muffler bolt and nut
Initially at 1 000 km (600 miles, 2 months) and every
12 000 km (7 500 miles, 24 months) thereafter.
Check the exhaust pipe bolts, muffler bolts and nut to the
specified torque.
Tightening torque
Exhaust pipe bolt (a): 23 N·m (2.3 kgf-m, 16.5 lb-ft)
Exhaust pipe 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)
Muffler mounting bolt (d): 26 N·m (2.6 kgf-m, 19.0
lb-ft)
(a)
Spark Plug Replacement
Replace spark plug
Every 12 000 km (7 500 miles, 24 months)
Refer to "Ignition Coil / Plug Cap and Spark Plug
Removal and Installation in Section 1H (Page 1H-4)".
Spark Plug Inspection and Cleaning
B718H10206005
Inspect spark plug
Every 6 000 km (4 000 miles, 12 months)
Heat Range
Carbon Deposits
(d)
(c)
(b)
I718H1020007-04
B718H10206003
Maintenance and Lubrication:
1) Remove the spark plugs. Refer to "Ignition Coil /
Plug Cap and Spark Plug Removal and Installation in
Section 1H (Page 1H-4)".
2) Check spark plug heat range by observing electrode
color.
If it appears white or glazed, replace the spark plug
with colder type one.
Heat range
Standard
NGK CR7E
DENSO U22ESR-N
3) After finishing the spark plug inspection, reinstall the
removed parts.
1) Remove the spark plugs. Refer to "Ignition Coil /
Plug Cap and Spark Plug Removal and Installation in
Section 1H (Page 1H-4)".
2) Check 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.
3) After finishing the spark plug inspection, reinstall the
removed parts.
0B-4
B718H10206004
Cold type Hot type
CR8E CR6E
U24ESR-N U20ESR-N
I649G1020010-02