Checking The Throttle Body Joint/The Exhaust System - Yamaha YZF-R25 Service Manual

B
A. Throttle body #1
B. Throttle body #2
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2. Stop the engine and remove the measuring
equipment.
3. Install:
• Caps
4. Install:
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
• Fuel tank cover assembly
Refer to "GENERAL CHASSIS (3)" on page
4-5.
• Side panels
Refer to "GENERAL CHASSIS (2)" on page
4-3.
• Rider seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
5. Adjust:
• Throttle grip free play
Refer to "CHECKING THE THROTTLE GRIP
OPERATION" on page 3-26.
Throttle grip free play
3.0–5.0 mm (0.12–0.20 in)
EAS31318
CHECKING THE THROTTLE BODY JOINT
1. Remove:
• Rider seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
• Side panels
Refer to "GENERAL CHASSIS (2)" on page
4-3.
• Fuel tank cover assembly
Refer to "GENERAL CHASSIS (3)" on page
4-5.
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
1
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PERIODIC MAINTENANCE
2. Remove:
• Throttle bodies
Refer to "THROTTLE BODIES" on page 7-6.
3. Check:
• Throttle body joint "1"
Cracks/damage → Replace.
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4. Install:
• Throttle bodies
Refer to "THROTTLE BODIES" on page 7-6.
5. Install:
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
• Fuel tank cover assembly
Refer to "GENERAL CHASSIS (3)" on page
4-5.
• Side panels
Refer to "GENERAL CHASSIS (2)" on page
4-3.
• Rider seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
EAS30625
CHECKING THE EXHAUST SYSTEM
1. Remove:
• Side panels
Refer to "GENERAL CHASSIS (2)" on page
4-3.
• Front side cowling assembly (left)
Refer to "GENERAL CHASSIS (3)" on page
4-5.
• Coolant reservoir
Refer to "RADIATOR" on page 6-1.
• Footrest assembly (right)
Refer to "REAR BRAKE" on page 4-42.
2. Check:
• Exhaust pipe "1"
• Muffler assembly "2"
Cracks/damage → Replace.
• Gasket "3", "4"
Exhaust gas leaks → Replace.
3. Check:
Tightening torque
• Exhaust pipe nuts "5"
3-10
1