Yamaha XT250X 2008, Service Manual

Page: 69 / 282

ENGINE
3-14
NOTE:
Make sure that the air filter element is installed
securely in the air filter case to prevent any air
leaks.
6. Install:
●
Seat
Refer to “GENERAL CHASSIS” on page 4-1.
EAS20990
CHECKING THE CARBURETOR JOINT AND
INTAKE MANIFOLD
1. Remove:
●
Fuel tank
Refer to “FUEL TANK” on page 6-1.
2. Check:
●
Carburetor joint “1”
●
Intake manifold “2”
Cracks/damage
→
Replace.
Refer to “CARBURETOR” on page 6-3.
3. Install:
●
Fuel tank
Refer to “FUEL TANK” on page 6-1.
EAS21030
CHECKING THE FUEL LINE
The following procedure applies to all of the fuel,
vacuum and breather hoses.
1. Remove:
●
Left fuel tank side cover
Refer to “GENERAL CHASSIS” on page 4-1.
2. Check:
●
Fuel hose “1”
●
Vacuum hose
●
Breather hose
Cracks/damage
→
Replace.
Loose connection
→
Connect properly or re-
place the clip hose.
3. Install:
●
Left fuel tank side cover
Refer to “GENERAL CHASSIS” on page 4-1.
EAS21050
CHECKING THE CYLINDER HEAD
BREATHER HOSE
1. Remove:
●
Left fuel tank side cover
●
Right fuel tank side cover
Refer to “GENERAL CHASSIS” on page 4-1.
2. Check:
●
Cylinder head breather hose “1”
Cracks/damage
→
Replace.
Loose connection
→
Connect properly.
CAUTION:
ECA14920
Make sure the cylinder head breather hose is
routed correctly.
3. Install:
●
Right fuel tank side cover
●
Left fuel tank side cover
Refer to “GENERAL CHASSIS” on page 4-1.
EAS21080
CHECKING THE EXHAUST SYSTEM
The following procedure applies to all of the ex-
haust pipes and gaskets.
1. Check:
●
Exhaust pipe “1”
●
Muffler “2”
Cracks/damage
→
Replace.
●
Gasket
1
2
1
1
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