Dazon Raider Extreme 1100D Service Manual download pdf (Page 31)

Raider-Classic 150 (Oil-cooled&Internal Gearbox): Service Manual (single/ double-seat) EEC Version;3.0 Feb..2005

The valve seat-grinding cutter is the customized trimming tool for the

valve seat, and it has three cutting angles: 32º, 45º, and 60º. While

trimming, press the valve seat-grinding cutter to make the rotary

motion with 40 - 50N force.

3.9.2 Finishing

a) Ream out the defects on the working surface with a 45º coarse

tooth-grinding cutter.

b) Ream the upper angle of the valve seat working surface with a 30º

grinding cutter.

c) Ream the lower angle of the valve seat working surface with a 60º

grinding cutter.

d) Ream the valve seat to the specific seat width with a 45º grinding

cutter.

3.9.3 Touching Position Inspection

a) Apply a thin layer of the fluid on the valve seat, and put the valve

on the seat rotate joint, then take out the valve and observe the

contact surface on the valve face.

 Some oil must be applied on the valve seat-grinding cutter to

eliminate scraps when trimming.

 Don’t ream too much.

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Dazon Raider Extreme 1100D Service Manual Page 31