Checking The Air Induction System; Replacing The Air Filter Element; Adjusting The Clutch Lever Free Play - Yamaha YZF-R1 Series Service Manual

2. Check:
• Canister "1"
• Canister purge hose
• Fuel tank breather hose
Cracks/damage → Replace.
Loose connection → Connect properly.
TIP
Make sure that the canister breather "a" is not
blocked, and if necessary, clean it.
3. Install:
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
• Rider seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
EAS30627

CHECKING THE AIR INDUCTION SYSTEM

Refer to "AIR INDUCTION SYSTEM" on page
7-20.
EAS30628

REPLACING THE AIR FILTER ELEMENT

1. Remove:
• Rider seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
2. Remove:
• Upper air filter case
• Air filter element
Refer to "AIR FILTER CASE" on page 7-5.
3. Check:
• Air filter element
• Air filter seal
Damage → Replace.
TIP
• Replace the air filter element every 40000 km
(24000 mi) of operation.
• The air filter needs more frequent service if you
are riding in unusually wet or dusty areas.
1 1 1
a a
3-12
PERIODIC MAINTENANCE
4. Install:
• Air filter element
• Upper air filter case
ECA20710
NOTICE
Never operate the engine without the air filter
element installed. Unfiltered air will cause
rapid wear of engine parts and may damage
the engine. Operating the engine without the
air filter element will also affect throttle body
synchronization, leading to poor engine per-
formance and possible overheating.
TIP
• Align projections "a" of the air filter element to
the slots "b" of the air filter case and install.
• When installing the air filter element into the air
filter case, make sure that the sealing surfaces
are aligned to prevent any air leaks.
b
5. Install:
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
• Rider seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
EAS30629
ADJUSTING THE CLUTCH LEVER FREE
PLAY
1. Check:
• Clutch lever free play "a"
Out of specification → Adjust.
Clutch lever free play
10.0–15.0 mm (0.39–0.59 in)
a