Suzuki RV125 Service Manual page 63

VALVE SEAT SERVICE
The valve seats for both intake and exhaust valves are
machined to two different angles. (The seat contact surface is
cut at 45°.)
INTAKE SIDE
15° N-212
45° N-122
% 09916-20620: Valve seat cutter (N-122)
09916-21111: Valve seat cutter set
09916-24480: Solid pivot (N-140-5.5)
09916-24920: Valve seat cutter (N-212)
NOTE:
Use the solid pilot (N-140-5.5) along with the valve seat cutter
(N-121, -122 and -212)
"
The valve seat contact area must be inspected after
each cut.
• When installing the solid pilot 1, rotate it slightly.
• Seat the pilot snugly. Install the 45° cutter 2, attachment 3
and T-handle 4.
EXHAUST SIDE
15° N-121
45° N-122
ENGINE
45˚
15˚
Valve seat
45˚
15˚
45˚
15˚
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