Yamaha YZ250F(V) Owner's Service Manual page 200

VALVE CLEARANCE INSPECTION AND ADJUSTMENT
• Measure the valve clearance e using a
feeler gauge 1.
NOTE:
Record the measured reading if the clear-
ance is incorrect.
5. Adjust:
• Valve clearance
Adjustment steps:
• Remove the
exhaust).
Refer to "CAMSHAFTS" section in the
CHAPTER 4.
• Remove the valve lifters 1 and the pads
2.
NOTE:
• Place a rag in the timing chain space to
prevent pads from falling into the crank-
case.
• Identity each valve lifter and pad position
very carefully so that they can be rein-
stalled in their original place.
• Select the proper pad using the pad
selecting table.
Pad range
No. 120 1.20 mm
~
No. 240 2.40 mm
3 - 20
INSP
ADJ
camshaft (intake
Pad Availability:
25 increments
Pads are available in
~
0.05 mm increments
and