lights YAMAHA YFM80R 2008 Owners Manual

EBU17420
TABLE OF CONTENTS
SAFETY INFORMATION .............................. 1-1
LOCATION OF THE WARNING AND
SPECIFICATION LABELS ............................ 2-1
DESCRIPTION .............................................. 3-1
Left view ..................................................... 3-1
Right view................................................... 3-1
Controls and instruments ........................... 3-2
INSTRUMENT AND CONTROL
FUNCTIONS .................................................. 4-1
Main switch ............................................... 4-1
Indicator light ............................................. 4-1
Handlebar switches ................................... 4-2
Throttle lever ............................................. 4-2
Speed limiter and air intake restrictor
plate ........................................................ 4-3
Front brake lever ....................................... 4-4
Brake pedal and rear brake lever .............. 4-5
Parking brake ............................................ 4-6
Shift pedal ................................................. 4-6
Fuel tank cap ............................................. 4-7
Fuel ........................................................... 4-7
Fuel cock ................................................... 4-8Choke ...................................................... 4-10
Seat ......................................................... 4-10
PRE-OPERATION CHECKS ..........................5-1
Pre-operation check list ............................. 5-1
Fuel ............................................................ 5-3
Engine oil ................................................... 5-3
Final gear oil .............................................. 5-3
Front and rear brakes ................................ 5-3
Throttle lever .............................................. 5-4
Tires ........................................................... 5-4
Measuring the tire pressure ....................... 5-5
Tire wear limit ............................................ 5-6
Chassis fasteners ...................................... 5-6
Instruments, lights and switches ................ 5-6
Battery ....................................................... 5-6
OPERATION...................................................6-1
Starting a cold engine ................................ 6-1
Starting a warm engine .............................. 6-3
Shifting ....................................................... 6-3
Engine break-in .......................................... 6-5
Parking ....................................................... 6-5
Parking on a slope ..................................... 6-6
Accessories and loading ............................ 6-7

1-3
1
2
3
4
5
6
7
8
9
10
11

Avoid crossing the side of a steep hill if possible.

Always use proper procedures if you stall or roll
backwards when climbing a hill. To avoid stall-
ing, use the proper gear and maintain a steady
speed when climbing a hill. If you stall or roll
backwards, follow the special procedure for
braking described in this manual. Dismount on
the uphill side or to a side if pointed straight up-
hill. Turn the ATV around and remount, following
the procedure described in this manual.

Always check for obstacles before operating in a
new area.

Never attempt to operate over large obstacles,
such as large rocks or fallen trees. Always follow
proper procedures when operating over obsta-
cles as described in this manual.

Always be careful when skidding or sliding.
Learn to safely control skidding or sliding by
practicing at low speeds and on level, smooth
terrain. On extremely slippery surfaces, such as
ice, go slowly and be very cautious in order to re-
duce the chance of skidding or sliding out of con-
trol.

Never operate an ATV in fast flowing water or in
water deeper than that recommended in this
manual. Remember that wet brakes may havereduced stopping ability. Test your brakes after
leaving water. If necessary, apply them several
times to let friction dry out the linings.

Always use the size and type of tires specified in
this manual.

Always maintain proper tire pressure as de-
scribed in this manual.

Never modify an ATV through improper installa-
tion or use of accessories.

Never exceed the stated load capacity for an
ATV. Cargo should be properly distributed and
securely attached. Reduce speed and follow in-
structions in this manual for carrying cargo or
pulling a trailer. Allow greater distance for brak-
ing.
WARNING

EWB00061

Always turn off the engine when refueling.

Do not refuel right after the engine has been
running and is still very hot.

Do not spill gasoline on the engine or ex-
haust pipe/muffler when refueling. Never re-
fuel while smoking, or in the vicinity of
sparks, open flames, or other sources of ig-
nition such as the pilot lights of water heat-
ers and clothes dryers. Gasoline can catch

5-6
1
2
3
45
6
7
8
9
10
11

EBU19830
Tire wear limit
Replace the tire when the tire groove decreases to
3 mm (0.12 in).
EBU19840
Chassis fasteners
Make sure that all nuts, bolts and screws are prop-
erly tightened.
EBU19850
Instruments, lights and switches
Check that all instruments, lights and switches are
working properly. Correct if necessary.
EBU19860
Battery
Check the fluid level in the battery. Fill with distilled
water if necessary. (See page 8-29.) Recommended pressure:
Front
20 kPa (2.9 psi) (0.20 kgf/cm
2
)
Rear
20 kPa (2.9 psi) (0.20 kgf/cm
2
)
Minimum:
Front
17 kPa (2.5 psi) (0.17 kgf/cm
2
)
Rear
17 kPa (2.5 psi) (0.17 kgf/cm
2
)
Maximum:
Front
23 kPa (3.3 psi) (0.23 kgf/cm
2
)
Rear
23 kPa (3.3 psi) (0.23 kgf/cm
2
)
1. Tire wear limit

8-34
1
2
3
4
5
6
78
9
10
11
WARNING

EWB02280
Do not smoke when checking the fuel system.
Fuel can ignite or explode, causing severe inju-
ry or property damage. Make sure there are no
open flames or sparks in the area, including pi-
lot lights from water heaters or furnaces.

INDEX
A
Accessories and loading ................................................ 6-7
Air filter element, cleaning ............................................ 8-13
Air intake restrictor plate, removing.............................. 8-17
B
Battery .................................................................. 5-6
,
8-29
Brake and shift pedals, checking and lubricating ......... 8-28
Brake lever and brake pedal free play (rear),
adjusting..................................................................... 8-23
Brake lever free play, adjusting the front...................... 8-21
Brake lever, front ............................................................ 4-4
Brake levers, checking and lubricating......................... 8-27
Brake pedal and rear brake lever ................................... 4-5
Brakes, front and rear .................................................... 5-3
Brake shoes, checking the front and rear .................... 8-20
C
Cables, checking and lubricating ................................. 8-26
Carburetor, adjusting.................................................... 8-18
Chassis fasteners........................................................... 5-6
Choke ........................................................................... 4-10
Cleaning ......................................................................... 9-1
Clutch free play, adjusting ............................................ 8-26
E
Engine break-in .............................................................. 6-5
Engine, cold start ........................................................... 6-1
Engine idling speed ...................................................... 8-18Engine oil ............................................................... 5-3
,
8-9
Engine, starting a warm ................................................. 6-3
Engine stop switch ......................................................... 4-2
F
Final gear oil......................................................... 5-3
,
8-12
Front knuckle pivots, lubricating ................................... 8-28
Fuel ........................................................................ 4-7
,
5-3
Fuel cock ........................................................................ 4-8
Fuel tank cap.................................................................. 4-7
Fuse, replacing............................................................. 8-31
H
Handlebar switches ........................................................ 4-2
I
Identification numbers .................................................. 11-1
Indicator light .................................................................. 4-1
Instruments, lights and switches .................................... 5-6
K
Key identification number ............................................. 11-1
L
Label locations ............................................................... 2-1
M
Main switch .................................................................... 4-1
Maintenance and lubrication chart ................................. 8-5
Maintenance chart, emission control system ................. 8-3
Model label ................................................................... 11-2