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Valve Clearance Inspection; Valve Clearance Adjustment; Valve Seat Inspection - Kawasaki KLX110 Service Manual

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Table of Contents
Valve/Valve Guide

Valve Clearance Inspection

Refer to Valve Clearance Inspection in the Periodic Maintanance
Chapter.

Valve Clearance Adjustment

Refer to Valve Clearance Adjustment in the Periodic Maintanance
Chapter.

Valve Seat Inspection

Remove the valve.
Check the valve seat surface [A] between the valve [B] and valve seat
[C].
Coat valve seat with machinists dye.
Push the valve into the guide.
Rotate the valve against the seat with a lapping tool.
Pull the valve out, and check the seating pattern on the valve head.
It must be the correct width and even all the way around.
Measure the outside diameter [D] of the seating pattern on the valve
seat.
If the outside diameter is too large or too small, repair the seat (see
Seat Repair).
Valve Seating Surface Outside Diameter
Standard:
Inlet
Exhaust
The valve stem and guide must be in good condition or this check
will not be valid.
If the valve seating pattern is not correct, repair the seat.
Measure the seat width [E] of the portion where there is no build-up
carbon (white portion) of the valve seat with a vernier caliper.
Good [F]
If the width is too wide [G], too narrow [H] or uneven [J], repair the
seat (see Seat Repair).
Valve Seat Width
Standard:
Inlet
Exhaust
22.9
23.1 mm
19.9
20.1 mm
NOTE
0.80
1.15 mm
0.80
1.15 mm
ENGINE TOP END 4-21

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