13-1
1. CYLINDER HEAD .............................. 13-1
2. VALVE GUIDE REPLACEMENT........ 13-5
3. VALVE SEAT RECONDITIONING ..... 13-6
13. CYLINDER HEAD/VALVES
1. CYLINDER HEAD
a. REMOVAL/INSTALLATION
Remove the following parts:
– Fuel tank (P. 7-1)
– Rear cover, outer muffler protector (P. 8-1)
– Muffler (P. 8-2)
– Inner muffler protector (P. 8-3)
– Upper shroud and right side shroud (P. 11-1)
[17]
HEAD COVER GROMMET
[1]
HEAD COVER
WASHER
[16]
CYLINDER HEAD COVER
[11]
6 mm SPECIAL BOLT (3)
8.5 N·m (0.9 kgf·m, 6.3 lbf·ft)
[8]
CYLINDER HEAD
REMOVAL/INSTALLATION:
• Before installation, remove any
carbon deposits from the combustion
chamber and inspect the valve seats.
• Measure the cylinder compression
after reassembly (P. 2-30).
DISASSEMBLY/REASSEMBLY:
P. 13-2
[15]
8 mm SEALING WASHER
[9]
LOWER SHROUD
BRACKET
[10]
ENGINE SHROUD
6 x 25
6 x 12 (2)
[12]
LOWER
SHROUD
[13]
LOWER SHROUD
INSULATOR
[5]
CYLINDER HEAD GASKET
[6]
DOWEL PIN (2)
[7]
CYLINDER
[14]
ENGINE TEMPERATURE
SENSOR
INSPECTION:
P. 13-5
TORQUE:
9 N·m (0.9 kgf·m, 6.6 lbf·ft)
Do not reuse.
[4]
CYLINDER HEAD COVER GASKET
REASSEMBLY:
Install the gasket as shown noting the
installtion direction.
[4]-1
CYLINDER
HEAD COVER
[4]-2
CYLINDER
HEAD
COVER
GASKET
[2]
HEAD COVER BOLT
10 N·m (1.0 kgf·m,
7 lbf·ft)
[3] 10 x 80 (4)
REMOVAL:
Loosen the bolts in a
crisscross pattern in 2-3
steps.
INSTALLATION:
Apply oil to the threads of
the bolts. Tighten the bolts
in a crisscross pattern in 2-3
steps.
TORQUE:
35 N·m (3.5 kgf·m, 25 lbf·ft)
cap.13 EU65is 6500is 07.12.17 5:05 PM ページ13-1
