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4-28 ENGINE TOP END
Valves
If the outside diameter of the seating surface is too large,
make the 32° grind described below.
If the outside diameter [A] of the seating surface is within
the specified range, measure the seat width as described
below.
Grind the seat at a 32° angle [B] until the seat outside
diameter is within the specified range.
To make the 32° grind, fit a 32° cutter into the holder, and
slide it into the valve guide.
Turn the holder one turn at a time while pressing down
very lightly. Check the seat after each turn.
The 32° cutter removes material very quickly.
Check the seat outside diameter frequently to pre-
vent overgrinding.
After making the 32° grind, return to the seat outside di-
ameter measurement step above.
To measure the seat width, use a vernier caliper to mea-
sure the width of the 45° angle portion of the seat at sev-
eral places around the seat.
If the seat width is too narrow, repeat the 45° grind until
the seat is slightly too wide, and then return to the seat
outside diameter measurement step above.
If the seat width is too wide, make the 60° [A] grind de-
scribed below.
If the seat width is within the specified range, lap the valve
to the seat as described below.
Grind the seat at a 60° angle until the seat width is within
the specified range.
To make the 60° grind, fit 60° cutter into the holder, and
slide it into the valve guide.
Turn the holder, while pressing down lightly.
After making the 60° grind, return to the seat width mea-
surement step above.
Correct Width [B]
NOTICE

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   Also See for Kawasaki KLX110

This manual is also suitable for:

Klx110l

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