Page 10 of 142

Checking and lubricating the brake and
clutch levers ........................................... 8-32
Checking the shift pedal ........................... 8-33
Checking and lubricating the brake
pedal ...................................................... 8-33
Checking the wheel hub bearings ............ 8-33
Lubricating the swingarm pivots ............... 8-34
Lubricating the upper and lower arm
pivots ...................................................... 8-34
Lubricating the steering shaft ................... 8-35
Battery ...................................................... 8-35
Replacing the fuse ................................... 8-38
Replacing a headlight bulb ....................... 8-39
Adjusting a headlight beam ...................... 8-41
Replacing the tail/brake light bulb
(YFM25RA/YFM250RA).......................... 8-41
Tail/brake light
(YFM25RSEA/YFM250RSEA) ................ 8-42
Removing a wheel .................................... 8-42
Installing a wheel ...................................... 8-42
Troubleshooting ....................................... 8-43
Troubleshooting chart .............................. 8-44
CLEANING AND STORAGE .......................... 9-1
Cleaning ..................................................... 9-1
Storage ....................................................... 9-2SPECIFICATIONS .......................................10-1
CONSUMER INFORMATION.......................11-1
Identification numbers ...............................11-1
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Page 28 of 142

4-3
4
EBU18101Start switch“”
Push this switch to crank the engine with the start-
er. See the starting instructions on page 6-1 prior
to starting the engine.EBU18152Light switch“//OFF”
Set this switch to“” to turn on the low beams
and the taillight. Set the switch to“” to turn on
the high beams and the taillight. Set the switch to
“OFF” to turn off all the lights.NOTICEECB00041Do not use the headlights with the engine
turned off for an extended period of time, oth-
erwise the battery may discharge to the point
that the starter motor will not operate properly.
If this should happen, remove the battery and
recharge it. See page 8-35 for battery charging
information.EBU18282Throttle lever Once the engine is running, pushing the throttle le-
ver will increase the engine speed.Regulate the speed of the ATV by varying the
throttle position. Because the throttle is spring-
loaded, the ATV will decelerate, and the engine will
return to an idle any time the throttle lever is re-
leased.
Before starting the engine, check the throttle to be
sure it is operating smoothly. Make sure it returns
to the idle position as soon as the lever is released.
1. Throttle lever
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Page 127 of 142
8-41
8 6. Install the headlight bulb holder by pushing it
in and turning it clockwise.
7. Install the headlight bulb holder cover.
8. Connect the headlight coupler.
9. Install the headlight unit by installing the bolt.
10. Adjust the headlight beam if necessary.
EBU25561Adjusting a headlight beam NOTICEECB00690It is advisable to have a Yamaha dealer make
this adjustment.
To raise a headlight beam, turn the headlight beam
adjusting bolt in direction (a).
To lower a headlight beam, turn the adjusting bolt
in direction (b).EBU25580Replacing the tail/brake light bulb
(YFM25RA/YFM250RA)If the tail/brake light bulb burns out, have a
Yamaha dealer replace it.
1. Do not touch the glass part of the bulb.
1
1. Headlight beam adjusting bolt
1(a)
(b)
U1BT61E0.book Page 41 Tuesday, April 6, 2010 1:28 PM