Honda CBF600SA Service Manual page 279

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys.
Use a 60-degree cutter to remove the bottom 1/4 of
the old seat.
TOOLS:
Interior cutter, 30 mm (IN)
Interior cutter, 24 mm (EX)
Cutter holder, 4.0 mm
Using a 45-degree seat cutter, cut the seat to the
proper width.
Make sure that all pitting and irregularities are
removed.
Refinish if necessary.
After cutting the seat, apply lapping compound to
the valve face, and lap the valve using light pres-
sure.
• Excessive lapping pressure may deform or dam-
age the seat.
• Change the angle of lapping tool frequently to
prevent uneven seat wear.
• Do not allow lapping compound to enter the
guides.
After lapping, wash all residual compound off the
cylinder head and valve.
email: info@motomatrix.co.uk
07780-0014000
070PH-Z0D0100
07781-0010500 or
equivalent commer-
cially available
CYLINDER HEAD/VALVES
OLD SEAT WIDTH
60°
1.0 mm (0.04 in)
45°
HAND-LAPPING TOOL
8-21