3-36 ENGINE
• After installing the valve guides, re-finish their guiding bores
using the reamer.
• Clean and engine oil the guides after reaming.
%
09916-34570: Valve guide reamer (5.0 mm)
09916-34542: Reamer handle
NOTE:
* Be sure to cool down the cylinder head to ambient air tempera-
ture.
* Insert the reamer from the combustion chamber and always
turn the reamer handle clockwise.
VALVE SEAT WIDTH INSPECTION
• Visually inspect for valve seat width on each valve face.
• If the valve face has worn abnormally, replace the valve.
• Coat the valve seat with a red lead (Prussian Blue) and set
the valve in place. Rotate the valve with light pressure.
• Inspect that the transferred red lead (Prussian Blue) on the
valve face is uniform all around and in center of the valve
face.
%
09916-10911: Valve lapper set
• If the seat width
W
measured exceeds the standard value or
seat width is not uniform, refuse the seat using the seat cutter.
&
Valve seat width
W
:
Standard: 0.9 – 1.1 mm (0.035 – 0.043 in)
If the valve seat is out of specification, correct the seat by servic-
ing it as follows:
Summary of Contents for LT-A450X
Page 2: ...SUPPLEMENTS LT A450XK9 09 MODEL LT A450XK8 12 13 WIRING DIAGRAM 14 ...
Page 47: ...PERIODIC MAINTENANCE 2 29 ...
Page 48: ...2 30 PERIODIC MAINTENANCE ...
Page 63: ...ENGINE 3 7 Remove the engine mounting nuts Remove the engine from the right side ...
Page 215: ......
Page 315: ...7 24 COOLING AND LUBRICATION SYSTEM ENGINE LUBRICATION SYSTEM To cylinder head OIL PUMP ...
Page 316: ...COOLING AND LUBRICATION SYSTEM 7 25 EXHAUST SIDE INTAKE SIDE ...
Page 317: ......
Page 332: ...8 14 CHASSIS REAR CARRIER Remove the rear carrier REAR BOX Remove the rear box 1 ...
Page 417: ......
Page 452: ...9 34 ELECTRICAL SYSTEM HEADLIGHT INSTALLATION Head light coupler Head light R Adjusting point ...
Page 484: ...10 26 SERVICING INFORMATION Rear box Rear fender Right mud guard Left mud guard ...
Page 510: ......
Page 514: ......