Yamaha YZFR1W 2007, Service Manual

Page: 99 / 429

ENGINE
3-16
NOTE:
Before removing the fuel hoses, place a few
rags in the area under where it will be remov-
ing.
CAUTION:
ECA14940
Make sure the fuel tank breather hose is
routed correctly.
3. Install:
• Fuel tank
• Fuel tank side covers
Refer to "FUEL TANK" on page 7-1.
• Rider seat
Refer to "GENERAL CHASSIS" on page 4-
1.
CAUTION:
ECA4C81016
To install the fuel tank, check that the
breather hose is not folded or pinched by
the fuel tank.
EAS21070
CHECKING THE CRANKCASE BREATHER
HOSE
1. Remove:
• Rider seat
Refer to "GENERAL CHASSIS" on page 4-
1.
• Fuel tank side covers
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
2. Check:
• Crankcase breather hose “1”
Cracks/damage
→
Replace.
Loose connection
→
Connect properly.
CAUTION:
ECA13450
Make sure the crankcase breather hose is
routed correctly.
3. Install:
• Fuel tank
• Fuel tank side covers
Refer to "FUEL TANK" on page 7-1.
• Rider seat
Refer to "GENERAL CHASSIS" on page 4-
1.
CAUTION:
ECA4C81016
To install the fuel tank, check that the
breather hose is not folded or pinched by
the fuel tank.
EAS21080
CHECKING THE EXHAUST SYSTEM
The following procedure applies to all of the
exhaust pipes and gaskets.
1. Check:
• Exhaust pipe “1”
• Exhaust valve pipe “2”
• Muffler “3”
Cracks/damage
→
Replace.
• Gasket “4”
Exhaust gas leaks
→
Replace.
• Catalist pipe “5”
Cracks/damage
→
Replace.
2. Check:
• Tightening torque
• Exhaust pipe nut “6”
• Exhaust pipe and exhaust valve pipe bolt
“7”
• Exhaust valve pipe and catalist pipe bolt “8”
• Catalist pipe bolt “9”
• Catalist pipe and muffler bolt “10”
• Muffler and frame bolt “11”