Checking The Throttle Body Joint; Checking The Fuel Hose; Checking The Fuel Tank Breather Hose; Checking The Crankcase Breather Hoses - Yamaha XT660Z 2008 Service Manual

Cleaning the air filter check hose
1. Check:
• Air filter check hose "1"
Accumulated dirt or water → Clean.
2. Remove:
• Check hose cap "2"
3. Drain:
• Any dirt, water or oil
4. Install:
• Check hose cap
EAS00094

CHECKING THE THROTTLE BODY JOINT

1. Check:
• Throttle body joint "1"
Cracks/damage → Replace.
Refer to "FUEL INJECTION SYSTEM" on
page 7-4.
EAS00096

CHECKING THE FUEL HOSE

1. Remove:
• Seat
Refer to "GENERAL CHASSIS" on page 4-1.
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
2. Check:
• Fuel hose "1"
Cracks/damage → Replace.
Loose connection → Connect properly.
3. Install:
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
• Seat
Refer to "GENERAL CHASSIS" on page 4-1.
CHECKING THE FUEL TANK BREATHER
HOSE
1. Check:
• Fuel tank breather hose "1"
Loose connection → Connect properly.
Cracks/damage → Replace.
CAUTION:
• Make sure that the end of the fuel tank
breather hose is not blocked, and clean it
if necessary.
• Make sure that the end of the fuel tank
breather hose is positioned inside of the
clamp "2".
EAS00098
CHECKING THE CRANKCASE BREATHER
HOSES
1. Check:
• Crankcase-to-crankcase-breather-chamber
hose "1"
• Air-filter-to-crankcase-breather-chamber
hose
Cracks/damage → Replace.
Loose connection → Connect properly.
3-13
ENGINE