2015 YAMAHA YZ85 seat adjustment

TABLE OF CONTENTS
LOCATION OF IMPORTANT
LABELS..............................................1-1
SAFETY INFORMATION ...................2-1
DESCRIPTION ...................................3-1
Left view ..........................................3-1
Right view ........................................3-2
Controls and instruments ................3-3
INSTRUMENT AND CONTROL
FUNCTIONS .......................................4-1
Handlebar switch ............................4-1
Clutch lever .....................................4-1
Shift pedal .......................................4-2
Brake lever ......................................4-2
Brake pedal .....................................4-3
Fuel tank cap ...................................4-3
Fuel ..................................................4-3
Fuel tank breather hose...................4-5
Fuel cock .........................................4-6
Starter (choke) knob ........................4-6
Kickstarter .......................................4-7
Seat .................................................4-7
Adjusting the front fork ....................4-8
Front fork bleeding ..........................4-9
Adjusting the shock absorber assembly ....................................4-10
Removable sidestand ....................4-12 FOR YOUR SAFETY –
PRE-OPERATION CHECKS
............. 5-1
OPERATION AND IMPORTANT
RIDING POINTS ................................ 6-1
Starting and warming up a cold engine .......................................... 6-1
Starting a warm engine................... 6-1
Shifting............................................ 6-2
Engine break-in............................... 6-3
Parking ............................................ 6-4
PERIODIC MAINTENANCE AND
ADJUSTMENT .................................. 7-1
Periodic maintenance and lubrication chart .......................... 7-2
Checking the spark plug................. 7-8
Transmission oil .............................. 7-9
Coolant ......................................... 7-10
Cleaning the air filter element ....... 7-12
Adjusting the carburetor ............... 7-14
Adjusting the engine idling speed......................................... 7-14
Adjusting the throttle grip free play ............................................ 7-15
Tires .............................................. 7-15
Spoke wheels ............................... 7-17
Adjusting the clutch lever free play ............................................ 7-18
Checking the brake lever free play ............................................ 7-19 Checking the shift pedal ............... 7-19
Checking the front and rear brake
pads ........................................... 7-20
Checking the brake fluid level ....... 7-20
Changing the brake fluid ............... 7-22
Drive chain slack ........................... 7-22
Cleaning and lubricating the drive chain .......................................... 7-23
Checking and lubricating the cables ........................................ 7-24
Checking and lubricating the
throttle grip and cable ............... 7-24
Checking and lubricating the brake and clutch levers ............. 7-24
Checking and lubricating the brake pedal ................................ 7-25
Lubricating the rear suspension.... 7-25
Lubricating the swingarm pivots ... 7-26
Checking the front fork ................. 7-26
Checking the steering ................... 7-27
Checking the wheel bearings ........ 7-27
Supporting the motorcycle ........... 7-28
Front wheel ................................... 7-28
Rear wheel .................................... 7-29
Troubleshooting ............................ 7-31
Troubleshooting charts ................. 7-32
MOTORCYCLE CARE AND
STORAGE .......................................... 8-1
Matte color caution ......................... 8-1
Care................................................. 8-1
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PERIODIC MAINTENANCE AND ADJUSTMENT
7-12
7
until it reaches the bottom of the
radiator filler neck, and then install
the radiator cap.
9. Start the engine, and then check the vehicle for coolant leakage. If
coolant is leaking, have a Yamaha
dealer check the cooling system.
EAU48392
Cleanin g the air filter elementThe air filter element should be cleaned
or replaced at the intervals specified in
the periodic maintenance and lubrica-
tion chart. Clean or, if necessary, re-
place the air filter element more
frequently if you are riding in unusually
wet or dusty areas.
1. Remove the seat. (See page 4-7.)
2. Remove the air filter case cover as shown. 3. Remove the air filter element by
removing the wing bolt and its
washer.
4. Remove the sponge material from the air filter element frame.1. Air filter case cover
1. Wing bolt
2. Washer
3. Air filter element
U1SN83E0.book Page 12 Monday, September 8, 2014 2:36 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
7-13
75. Clean the sponge material with
solvent, and then squeeze the re-
maining solvent out.
6. Apply oil of the recommended type to the entire surface of the
sponge material, and then
squeeze the excess oil out.
TIPThe sponge material should be wet but
not dripping.7. Pull the sponge material over theair filter element frame.
8. Apply all-purpose grease to the air filter element seat.
9. Insert the air filter element into the air filter case with the projection
facing upward, and then install the
wing bolt and its washer.
NOTICE: Make sure that the air
filter element is properly seate din the air filter case. The en
gine
shoul d never b e operated with-
out the air filter element in-
stalle d, otherwise the piston(s)
an d/or cylin der(s) may become
excessively worn.
[ECA10482]
NOTICE: Be sure to install the
washer with its curve d si de fac-
in g outwar d as shown.
[ECA16692]
1. Sponge material
2. Air filter element frame
1
2
Recommended oil:
Yamaha foam air filter oil or other
quality foam air filter oil1. Air filter element seat
1
1. Air filter element
2. Projection
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PERIODIC MAINTENANCE AND ADJUSTMENT
7-14
7
10. Install the air filter case cover in
the original position as shown.
11. Install the seat.
EAU42111
A djustin g the car buretorThe carburetor is an important part of
the engine and requires very sophisti-
cated adjustment. Therefore, most
carburetor adjustments should be left
to a Yamaha dealer, who has the nec-
essary professional knowledge and ex-
perience. The adjustment described in
the following section, however, may be
serviced by the owner as part of rou-
tine maintenance.NOTICE
ECA10551
The car buretor has b een set and ex-
tensively teste d at the Yamaha fac-
tory. Chan gin g these settin gs
without sufficient technical knowl-
e dge may result in poor perfor-
mance of or damag e to the en gine.
EAU44391
A djustin g the en gine i dlin g
spee dThe engine idling speed must be ad-
justed when necessary.
1. Start the engine and thoroughly warm it up.
2. Turn the throttle stop screw until the engine runs at the lowest pos-
sible speed.
3. To increase the engine idling speed, turn the throttle stop screw
in direction (a). To decrease the
engine idling speed, turn the throt-
tle stop screw in direction (b).
1. Washer
1
1. Throttle stop screw
U1SN83E0.book Page 14 Monday, September 8, 2014 2:36 PM