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Yamaha Motor F100A Manuel D'entretien page 86

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INSP
ADJ
POWER UNIT
Adjustment steps:
Insert a thin screwdriver into the notch
in the valve lifter.
Carefully pry up the valve pad and
remove it.
Measure the thickness removed valve
pad with a micrometer.
Select a proper replacement valve pad
by calculating its thickness with the
following formula.
Proper valve pad thickness =
Removed valve pad thickness +
Measured valve clearance –
Specified valve clearance
Install the proper valve pad into the
valve lifter.
NOTE:
Measure the thickness of the new valve
pad with a micrometer because the
thickness number is not indicated on the
pad.
Lubricate the valve pad with molybde-
num disulfide grease.
Perform the above procedure for all
valves whose clearances are out of spec-
ification.
11. Install:
Camshafts
Camshaft caps
Driven sprockets
Timing belt
12. Tighten:
Timing belt tensioner
Refer to "POWER UNIT" in chapter 5.
13. Recheck:
Valve clearance
NOTE:
If any valve clearance is still out of specifi-
cation, repeat all of the valve clearance
adjustment steps until the specified clear-
ance is obtained.
3-12
E

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Ce manuel est également adapté pour:

F100x