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Valve/valve Guide Clearance; Measurement (wobble Method) - Kawasaki KX450F Service Manual

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5-26 ENGINE TOP END
Valves
Ream the valve guide with valve guide reamer [A], even
if the old guide is reused.
Special Tool - Valve Guide Reamer, 5.5: 57001-1079
Valve/Valve Guide Clearance Measurement (Wobble
Method)
If a small bore gauge is not available, inspect the valve
guide wear by measuring the valve/valve guide clearance
with the wobble method as indicated below.
Insert a new valve [A] into the guide [B] and set a dial
gauge against the stem perpendicular to it as close as
possible to the cylinder head mating surface.
Move the stem back and forth [C] to measure the valve
wobble.
Repeat the measurement in a direction at a 90° angle to
the first measurement.
If the reading exceeds the service limit, replace the guide.
The reading is greater than the actual valve/valve guide
clearance because the measurement is taken outside
of the guide.
Valve/Valve Guide Clearance Measurement (Wobble
Method)
Standard:
0.09 ∼ 0.16 mm (0.0035 ∼ 0.0063 in.)
Exhaust
0.06 ∼ 0.14 mm (0.0024 ∼ 0.0055 in.)
Inlet
Service Limit:
Exhaust
0.36 mm (0.014 in.)
Inlet
0.33 mm (0.013 in.)
NOTE

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Kx450f 2006Kxf 450

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  • paulo sergio borges Apr 13, 2016 05:03:
    quantidade oleo suspencao kx 450 f