Suzuki 2005 GSF1200 Service Manual page 34

0B-8 Maintenance and Lubrication:
9) Insert the thickness gauge between the valve stem
end and adjusting screw on the rocker arm. If the
clearance is out of specification, hold the lock-nut
with a wrench and use the special tools to adjust the
clearance.
CAUTION
!
Both the right and left valve clearances
should be as closely as possible.
Special tool
(A): 09900–20803 (Thickness gauge)
(B): 09917–14920 (Valve adjuster driver)
10) Turn the crankshaft clockwise 360° (one full rotation)
and align the "T" mark on the rotor with the center of
the CKP sensor. Also, position the notches "C" on
the right end of each camshaft as shown. Then,
measure the following valve clearances "E".
• Cylinder #2: Intake valve clearance
• Cylinder #3: Exhaust valve clearance
• Cylinder #4: Intake and exhaust valve clearances
11) Measure the valve clearances of the remaining
valves "E" and adjust them if necessary.
"C"
"E"
"E" "E"
(B)
(A)
I649G1020015-03
"C"
I649G1020016-03
"E"
I649G1020018-02
Camshaft position
Measuring position
12) Turn the crankshaft and recheck the valve
clearances.
13) After finishing the valve clearance adjustment,
reinstall the following items.
a) CKP sensor cover (Refer to "CKP Sensor
Removal and Installation: in Section 1H".)
b) Cylinder head cover (Refer to "Engine Top Side
Assembly: in Section 1D".)
c) Breather cover
d) Spark plugs and plug caps (Refer to "Spark Plug
Removal and Installation: ".)
e) PAIR valve (Refer to "PAIR System Removal and
Installation: in Section 1B".)
f) Frame head covers (for GSF1200) (Refer to
"Exterior Parts Removal and Installation: in
Section 9D".)
g) Fuel tank (Refer to "Fuel Tank Removal and
Installation: in Section 1G".)
h) Seat (Refer to "Exterior Parts Removal and
Installation: in Section 9D".)
Fuel Line Inspection
Inspect fuel line
Every 6 000 km (4 000 miles, 12 months)
Inspect the fuel line in the following procedures:
1) Remove the seat. Refer to "Exterior Parts Removal
and Installation: in Section 9D".
2) Remove the fuel tank mounting bolts. Refer to "Fuel
Tank Removal and Installation: in Section 1G".
3) Lift up the fuel tank.
4) Inspect the fuel hose for damage and fuel leakage. If
any defects are found, the fuel hose must be
replaced.
Notch "C" position
faces inside
"E"
B649G10206006
I649G1020065-01