Yamaha FJR1300R Service Manual page 133

ADJUSTING THE VALVE CLEARANCE
EX
IN
3. Remove:
• hose holder 1
• lead holder 2
• pickup coil rotor cover 3
4. Measure:
• valve clearance
Out of specification → Adjust.
Valve clearance (cold)
Intake valve
0.15 ~ 0.22 mm
(0.0059 ~ 0.0087 in)
Exhaust valve
0.18 ~ 0.25 mm
(0.0071 ~ 0.0098 in)
M MMM M MMM M M MMM M
a. Turn the crankshaft clockwise.
b. When piston #1 is at TDC on the compres-
sion stroke, align the "T" mark a on the
pickup coil rotor with the crankcase mating
surface b.
NOTE:
@
TDC on the compression stroke can be found
when the camshaft lobes are turned away from
each other.
c. Measure the valve clearance with a thick-
ness gauge 1.
NOTE:
@
• If the valve clearance is incorrect, record the
measured reading.
• Measure the valve clearance in the following
sequence.
Valve clearance measuring sequence
Cylinder #1 → #2 → #4 → #3
È Front
d. To measure the valve clearances of the
other cylinders, starting with cylinder #1 at
TDC, turn the crankshaft counterclockwise
as specified in the following table.
3 - 17
CHK
ADJ
M MMM M M MMM M M MMM M MMM