6. Cylinder Head / Valve
6-12
Use 60° cutter to cut a quarter lower parts out.
Remove the cutter and check new valve seat.
Use 45° cutter to grind the valve seat to specified
width.
Caution
Make sure that all roughness and uneven faces
had been ground.
Grind valve seat again if necessary.
Coat the valve seat surface with red paint.
Install the valve through valve guide until the valve
contacting with valve seat, slightly press down the
valve but do not rotate it so that a seal track will be
created on contact surface.
Caution
The contact surfaces of valve and valve seat
are very important to the valve sealing capacity.
If the contact surface too high, grind the valve seat
with 32° cutter.
Then, grind the valve seat to specified width.
If the contact surface too low, grind the valve seat
with 60° cutter.
Then, grind the valve seat to specified width.
Old valve seat width
60°
1.0mm
60°
45°
32°
Old valve seat width
Contact surface too high
Old valve seat width
Contact surface too low
To this chapter contents
Summary of Contents for MAXSYM 400i
Page 23: ...1 General Information 1 18 NOTE To this chapter contents...
Page 75: ...4 Fuel Injection System 4 30 EFi System Circuit To this chapter contents...
Page 104: ...4 Fuel Injection System 4 59...
Page 109: ...5 ENGINE REMOVAL 5 5...
Page 132: ...7 Cylinder Piston 7 7...
Page 136: ...7 Cylinder Piston 7 11 NOTE To this chapter contents...
Page 171: ...11 Crankshaft Crankcase 11 8 NOTE To this chapter contents...
Page 183: ...12 Cooling System 12 12 NOTE To this chapter contents...
Page 199: ...13 Body Cover 13 16 NOTE To this chapter contents...
Page 219: ...14 Brake System 14 20 NOTE...
Page 231: ...14 Brake System 14 12 NOTE To this chapter contents...
Page 253: ...17 Electrical System 17 5 Fuse Fuse circuit diagram To this chapter contents...
Page 270: ...17 Electrical System 17 22 NOTE To this chapter contents...
Page 271: ...18 Wiring Diagram 18 1 18 Homepage Contents...
Page 272: ...18 Wiring Diagram 18 2...
Page 273: ...18 Wiring Diagram 18 3...
Page 274: ...18 Wiring Diagram 18 4 NOTE Homepage Contents...