Yamaha YZF-R1S Service Manual - Chk
3-33
REPLACING THE AIR FILTER ELEMENT/
CHECKING THE FUEL AND BREATHER HOSES
CHK
ADJ
CAUTION:
NOTE:
NOTE:
4. Install:
Sair filter case cover
Never operate the engine without the air fil-
ter 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
the throttle bodies tuning, leading to poor
engine performance and possible overheat-
ing.
When installing the air filter element into the air
filter case cover, make sure their sealing sur-
faces are aligned to prevent any air leaks.
5. Install:
Sfuel tank
Refer to “FUEL TANK”.
Srider seat
Refer to “SEATS”.
EAS00096
CHECKING THE FUEL AND BREATHER
HOSES
The following procedure applies to all of the fuel
and breather hoses.
1. Remove:
Srider seat
Refer to “SEATS”.
Sfuel tank
Refer to “FUEL TANK”.
2. Check:
Sbreather hose
1
Sfuel hose
2
Cracks / damage
! Replace.
Loose connection
! Connect properly.
Before removing the fuel hoses, place a few
rags in the area under where it will be removed.