CYLINDER HEAD
5-16
EAS24120
REMOVING THE CYLINDER HEAD
1. Remove:
• Cylinder head bolts
• Cylinder head nuts
TIP
• Loosen the bolts and nuts in the proper se-
quence as shown.
• Loosen each nut 1/2 of a turn at a time. After all
of the nuts are fully loosened, remove them.
EAS24160
CHECKING THE CYLINDER HEAD
1. Eliminate:
• Combustion chamber carbon deposits
(with a rounded scraper)
TIP
Do not use a sharp instrument to avoid damag-
ing or scratching:
• Spark plug bore threads
• Valve seats
2. Check:
• Cylinder head
Damage/scratches
→
Replace.
• Cylinder head water jacket
Mineral deposits/rust
→
Eliminate.
3. Measure:
• Cylinder head warpage
Out of specification
→
Resurface the cylinder
head.
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a. Place a straightedge “1” and a thickness
gauge “2” across the cylinder head.
b. Measure the warpage.
c. If the limit is exceeded, resurface the cylinder
head as follows.
d. Place a 400–600 grit wet sandpaper on the
surface plate and resurface the cylinder head
using a figure-eight sanding pattern.
TIP
To ensure an even surface, rotate the cylinder
head several times.
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EAS24240
INSTALLING THE CYLINDER HEAD
1. Install:
• Dowel pins
• Cylinder head gasket
2. Install:
• Cylinder head
TIP
Pass the timing chain through the timing chain
cavity.
3. Tighten:
• Cylinder head nuts “1”
Warpage limit
0.03 mm (0.0012 in)
New
Summary of Contents for 2009 XP500Y TMAX
Page 1: ...2009 SERVICE MANUAL XP500Y LIT 11616 22 08 4B5 28197 10 ...
Page 6: ......
Page 8: ......
Page 26: ...SPECIAL TOOLS 1 17 ...
Page 47: ...TIGHTENING TORQUES 2 20 Cylinder head tightening sequence ...
Page 56: ...LUBRICATION SYSTEM DIAGRAMS 2 29 1 2 3 4 4 ...
Page 57: ...LUBRICATION SYSTEM DIAGRAMS 2 30 1 Secondary shaft 2 Drive axle 3 Clutch 4 Crankshaft ...
Page 60: ...COOLING SYSTEM DIAGRAMS 2 33 1 2 3 4 5 6 7 8 9 10 11 12 ...
Page 64: ...CABLE ROUTING 2 37 A B A C D E F G H I J K L 1 2 1 2 3 3 4 5 6 6 7 A A A A A A A A ...
Page 78: ...CABLE ROUTING 2 51 ...
Page 81: ......
Page 115: ......
Page 172: ...FRONT FORK 4 57 2 3 ...
Page 186: ...SWINGARM AND TRANSMISSION CHAIN DRIVE 4 71 ...
Page 270: ...TRANSMISSION 5 81 ...
Page 294: ...THROTTLE BODY 7 9 ...
Page 297: ......
Page 309: ...CHARGING SYSTEM 8 12 2 AC magneto 3 Rectifier regulator 14 Battery 15 Main fuse ...
Page 311: ...CHARGING SYSTEM 8 14 ...
Page 321: ...SIGNALING SYSTEM 8 24 ...
Page 325: ...COOLING SYSTEM 8 28 ...
Page 353: ...FUEL PUMP SYSTEM 8 56 ...
Page 356: ...ELECTRICAL COMPONENTS 8 59 2 1 3 4 5 6 10 8 9 11 7 ...
Page 376: ...ELECTRICAL COMPONENTS 8 79 ...
Page 383: ......
Page 384: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...