Checking The Breather Hose; Checking The Exhaust System - Yamaha XT660R 2004 Service Manual

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CHECKING THE BREATHER HOSE/

CHECKING THE EXHAUST SYSTEM

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EAS00098
CHECKING THE BREATHER HOSE
1. Check:
• crankcase-to-crankcase-breather-chamber
hose 1
• air-filter-to-crankcase-breather-chamber
hose 2
Cracks/damage → Replace.
Loose connection → Connect properly.
CAUTION:
_
Make sure the breather hoses are routed
correctly.
EAS00099
CHECKING THE EXHAUST SYSTEM
The following procedure applies to all of the
exhaust pipes and gaskets.
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1. Check:
• exhaust pipes 1
• mufflers 2
Cracks/damage → Replace.
• gaskets 3
6
Exhaust gas leaks → Replace.
2. Check:
• tightening torques
Exhaust pipe nut 4
20 Nm (2.0 m · kg, 14 ft · lb)
Exhaust pipe bolt 5
27 Nm (2.7 m · kg, 19 ft · lb)
Muffler bolt 6
27 Nm (2.7 m · kg, 19 ft · lb)
Exhaust pipe and muffler bolt 7
20 Nm (2.0 m · kg, 14 ft · lb)
Exhaust pipe bolt 8
12 Nm (1.2 m · kg, 8.7 ft · lb)
Exhaust pipe bracket bolt 9
23 Nm (2.3 m · kg, 17 ft · lb)
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CHK
ADJ