2008 Yamaha Motorsports Midnight Warrior Owners Manual - Page 56

2008 Yamaha Motorsports Midnight Warrior Manual

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PERIODIC MAINTENANCE AND MINOR REPAIR d. Connect fuel hose A. 17. Install the air induction system cover by installing the bolts. 18. Install the rider seat. Silencer case air filter element To replace the air filter element 1. Remove the fuel tank. (See steps 1-3 under "Air filter case element".) 2. Remove the silencer case air filter cover by removing the screws. 6 EAU21311 Checking the engine idling speed The engine idling speed must be checked as follows and, if necessary, adjusted by a Yamaha dealer at the intervals specified in the periodic maintenance and lubrication chart. Start the engine and warm it up for several minutes at 1000-2000 r/min while occasionally revving it to 4000-5000 r/min. NOTE: The engine is warm when it quickly responds to the throttle. Engine idling speed: 850-950 r/min 1. Silencer case air filter element 4. Install a new air filter element by inserting it into the air filter case. ECA10480 CAUTION: G G 1. Silencer case air filter cover 2. Screw Make sure that the air filter element is properly seated in the air filter case. The engine should never be operated without the air filter element installed, otherwise the piston(s) and/or cylinder(s) may become excessively worn. 3. Remove the silencer case air filter element. 5. Install the silencer case air filter cover by installing the screws. 6. Install the fuel tank. (See steps 16-18 under "Air filter case element".) 6-17

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PERIODIC MAINTENANCE AND MINOR REPAIR
6-17
6
d.
Connect fuel hose A.
17. Install the air induction system
cover by installing the bolts.
18.
Install the rider seat.
Silencer case air filter element
To replace the air filter element
1.
Remove the fuel tank. (See steps
1–3 under “Air filter case ele-
ment”.)
2.
Remove the silencer case air filter
cover by removing the screws.
3.
Remove the silencer case air filter
element.
4.
Install a new air filter element by in-
serting it into the air filter case.
CAUTION:
ECA10480
●
Make sure that the air filter ele-
ment is properly seated in the
air filter case.
●
The engine should never be op-
erated without the air filter ele-
ment installed, otherwise the
piston(s) and/or cylinder(s) may
become excessively worn.
5. Install the silencer case air filter
cover by installing the screws.
6. Install the fuel tank. (See steps
16–18 under “Air filter case ele-
ment”.)
EAU21311
Checking the engine idling
speed
The engine idling speed must be
checked as follows and, if necessary,
adjusted by a Yamaha dealer at the in-
tervals specified in the periodic mainte-
nance and lubrication chart.
Start the engine and warm it up for sev-
eral minutes at 1000–2000 r/min while
occasionally revving it to 4000–5000
r/min.
NOTE:
The engine is warm when it quickly re-
sponds to the throttle.
1.
Silencer case air filter cover
2. Screw
1.
Silencer case air filter element
Engine idling speed:
850–950 r/min