Yamaha TTR90 Fahrer- Und Wartungshandbuch Seite 152

SPARK ARRESTER CLEANING (For USA)
a
2
1
6. Install:
• Tappet cover (intake side) 1
• O-ring 2
NOTE:
Apply the lithium soap base grease on the O-ring.
7. Install:
• Tappet cover (exhaust side)
• O-ring
• Spark plug
• Timing plug
• Crankshaft end cover
NOTE:
Apply the lithium soap base grease on the O-ring.
8. Install:
• Air filter case
• Air scoop (right)
SPARK ARRESTER CLEANING (For USA)
• Be sure the exhaust pipe and muffler are
cool before cleaning the spark arrester.
• Do not start the engine when cleaning the
exhaust system.
1. Remove:
3
• Bolt (tailpipe) 1
2. Remove:
• Tailpipe 2
3. Clean:
• Spark arrester
4. Install:
• Tailpipe
• Bolt (tailpipe)
3 - 11
18 Nm (1.8 m · kg, 13 ft · lb)
New
18 Nm (1.8 m · kg, 13 ft · lb)
New
13 Nm (1.3 m · kg, 9.4 ft · lb)
7 Nm (0.7 m · kg, 5.1 ft · lb)
7 Nm (0.7 m · kg, 5.1 ft · lb)
WARNING
Pull the tailpipe out of the muffler.
Use a wire brush to remove any carbon
deposits from the spark arrester portion
of the muffler body 3 inner surface.
Tap the tailpipe lightly and remove the
carbon deposits from the outside portion
a of the tailpipe.
Insert the tailpipe into the muffler and
align the bolt hole.
7 Nm (0.7 m · kg, 5.1 ft · lb)
INSP
ADJ