Honda Transalp XL700V Manual page 269

CYLINDER HEAD/VALVES
Using a 60° cutter, remove the bottom 1/4 of the old
seat.
TOOLS:
Interior cutter, 34 mm (IN)
Interior cutter, 26 mm (EX)
Cutter holder, 5.5 mm
Using a 45° seat cutter, cut the seat to the proper
width.
Make sure that all pitting and irregularities are
removed.
• Excessive lapping pressure may deform or dam-
age the seat.
• Change the angle of lapping tool frequently to
prevent uneven seat wear.
• Lapping compound can cause damage if it enters
between the valve stem and guide.
After cutting the seat, apply lapping compound to
the valve face, and lap the valve using light pres-
sure.
After lapping, wash any residual compound off the
cylinder head and valve.
Recheck the seat contact after lapping.
8-22
07780-0014700
07780-0014500
07781-0010101
or equivalent com-
mercially available
LAPPING TOOL
OLD SEAT WIDTH
60°
SEAT WIDTH
45°