Yamaha RX10H Service Manual page 26

VALVE CLEARANCE ADJUSTMENT
NOTE:
S If the valve clearance is incorrect, record the
S Measure the valve clearance in the following
4. Remove:
NOTE:
S Refer to "CAMSHAFTS" in CHAPTER 5.
S When removing the timing chain and cam-
5. Adjust:
Adjustment steps:
S Remove the valve lifter 1 and the valve pad
2-10
measured reading.
sequence.
Valve clearance measuring sequence
Cylinder #1 ! #2 ! #4 ! #3
A Front
For each cylinder, starting with cylinder #1 at
TDC, turn the crankshaft clockwise as specified
in the following table.
B Degrees that the crankshaft is turned clockwise
C Cylinder
D Combustion cycle
#2 Cylinder
#4 Cylinder
#3 Cylinder
S Intake camshaft
S Exhaust camshaft
shafts, fasten a wire to the timing chain to re-
trieve it if it falls into the crankcase.
S Valve clearance
2 with a valve lapper 3 .
INSP
ADJ
180_
360_
540_