Yamaha FX10X Service Manual page 54

VALVE CLEARANCE ADJUSTMENT
1
• Measure the valve clearance with a thickness
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 #3 → #2 → #1
È Front
For each cylinder, starting with cylinder #3 at TDC,
turn the crankshaft clockwise as specified in the fol-
lowing table.
É Degrees that the crankshaft is turned clockwise
Ê Cylinder
Ë Combustion cycle
Cylinder #2
Cylinder #1
5. Remove:
• Intake camshaft
• Exhaust camshaft
NOTE:
• Refer to "CAMSHAFTS" in CHAPTER 5.
• When removing the timing chain and camshafts,
fasten a wire to the timing chain to retrieve it if it
falls into the crankcase.
2-8
INSP
ADJ
120°
240°