ABS YAMAHA YFM250R 2011 Owners Manual

EBU17420
TABLE OF CONTENTS
LOCATION OF THE WARNING AND
SPECIFICATION LABELS ............................ 1-1
SAFETY INFORMATION .............................. 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 .............................................. 4-2
Handlebar switches .................................... 4-2
Throttle lever .............................................. 4-3
Speed limiter .............................................. 4-4
Clutch lever ................................................ 4-4
Brake lever (YFM25RA/YFM250RA) .......... 4-5
Brake lever
(YFM25RSEA/YFM250RSEA) ................. 4-5
Brake pedal ................................................ 4-6
Parking brake lever .................................... 4-6
Shift pedal .................................................. 4-7Fuel tank cap ..............................................4-8
Fuel .............................................................4-8
Fuel cock ..................................................4-10
Starter (choke) ..........................................4-11
Seat ..........................................................4-12
Adjusting the front shock absorber
assemblies (YFM25RA/YFM250RA) .......4-13
Adjusting the front shock absorber
assemblies
(YFM25RSEA/YFM250RSEA).................4-14
Adjusting the rear shock absorber
assembly (YFM25RA/YFM250RA) ..........4-18
Adjusting the rear shock absorber
assembly
(YFM25RSEA/YFM250RSEA).................4-20
PRE-OPERATION CHECKS ..........................5-1
Fuel .............................................................5-3
Engine oil ....................................................5-3
Front and rear brakes .................................5-3
Throttle lever ...............................................5-3
Drive chain ..................................................5-4
Tires ............................................................5-4
Chassis fasteners .......................................5-6U1BT61E0.book Page 1 Tuesday, April 6, 2010 1:28 PM

3-1
3
EBU17680
DESCRIPTION
EBU17690Left view
EBU17700Right view
1. Front shock absorber assembly
2. Spark plug
3. Fuel cock
4. Starter (choke)
5. Throttle stop screw
6. Rear shock absorber assembly
7. Owner’s tool kit
8. Engine oil drain bolt
9. Shift pedal
345
6
7
2
1
9
8
1. Spark arrester
2. Fuse
3. Battery
4. Air filter case
5. Rear brake fluid reservoir
6. Fuel tank cap
7. Oil filter element
8. Engine oil filler cap
9. Brake pedal
10.Rear brake light switch
8 146
5
2,3
7
9
10
U1BT61E0.book Page 1 Tuesday, April 6, 2010 1:28 PM

4-13
4
EBU18992Adjusting the front shock absorber as-
semblies (YFM25RA/YFM250RA)The spring preload can be adjusted to suit the rid-
er’s weight and the riding conditions.
WARNING
EWB00400Always adjust the shock absorber assemblies
on the left and right side to the same setting.
Uneven adjustment can cause poor handling
and loss of stability, which could lead to an ac-
cident.
Adjust the spring preload as follows.
Turn the spring preload adjusting ring in direction
(a) to increase the spring preload and thereby
harden the suspension, and in direction (b) to de-
crease the spring preload and thereby soften the
suspension.TIPA special wrench can be obtained at a Yamaha
dealer to make this adjustment.
1. Projection
2. Seat holder
1
2
1. Spring preload adjusting ring
2. Special wrench
3. Position indicator
1
2
3
4
5
(a)
(b)1
2
3
U1BT61E0.book Page 13 Tuesday, April 6, 2010 1:28 PM

4-14
4
EBU30050Adjusting the front shock absorber as-
semblies (YFM25RSEA/YFM250RSEA)These shock absorber assemblies are equipped
with a spring preload adjusting nut, a rebound
damping force adjusting screw, with a compres-
sion damping force adjusting bolt (for fast com-
pression damping), and a compression damping
force adjusting screw (for slow compression damp-
ing).
WARNING
EWB02491
Suspension components become hot during
operation. Never touch the compression
damping force adjusting bolt and screw, the
rebound damping force adjusting screw or
the oil reservoir with your bare hand or skin
until suspension components have cooled.

Always adjust the shock absorber assem-
blies on the left and right side to the same
setting. Uneven adjustment can cause poor
handling and loss of stability, which could
lead to an accident.NOTICEECB00090Never turn an adjusting mechanism beyond
the minimum and maximum settings.TIPAlthough the total number of clicks or turns of a
damping force adjusting mechanism may not ex-
actly match the following specifications due to
small differences in production, the actual number
of clicks or turns always represents the entire ad-
justing range. To obtain a precise adjustment, it
would be advisable to check the number of clicks
or turns of each damping force adjusting mecha-
nism and to modify the specifications as neces-
sary.Spring preload
1. Loosen the locknut. Spring preload setting:
Minimum (soft):
1
Standard:
2
Maximum (hard):
5
U1BT61E0.book Page 14 Tuesday, April 6, 2010 1:28 PM

4-18
4
WARNING
EWB00410These shock absorber assemblies contain
highly pressurized nitrogen gas. Read and un-
derstand the following information before han-
dling the shock absorber assemblies.
Do not tamper with or attempt to open the
cylinder assemblies.
Do not subject the shock absorber assem-
blies to an open flame or other high heat
source. This may cause the unit to explode
due to excessive gas pressure.
Do not deform or damage the cylinders in
any way. Cylinder damage will result in poor
damping performance.
Do not dispose of a damaged or worn out
shock absorber assembly yourself. Take the
shock absorber assembly to a Yamaha deal-
er for any service.EBU28243Adjusting the rear shock absorber as-
sembly (YFM25RA/YFM250RA)The spring preload can be adjusted to suit the rid-
er’s weight and the riding conditions.
1. Compression damping force adjusting screw (for slow
compression damping)Compression damping setting (for slow com-
pression damping):
Minimum (soft):
16 click(s) in direction (b)*
Standard:
10 click(s) in direction (b)*
Maximum (hard):
1 click(s) in direction (b)*
* With the adjusting screw fully turned in di-
rection (a)
(b)(a)
1
U1BT61E0.book Page 18 Tuesday, April 6, 2010 1:28 PM

4-20
4
WARNING
EWB00450This shock absorber assembly contains highly
pressurized nitrogen gas. If the shock absorb-
er assembly is damaged, it could explode
causing injury or property damage. Shock ab-
sorber cylinder damage could also result in
poor handling which could cause an accident.
Do not tamper with or attempt to open the
cylinder assembly.
Do not subject the shock absorber assembly
to an open flame or other high heat.
Do not deform or damage the cylinder in any
way.
Do not dispose of a damaged or worn out
shock absorber assembly yourself. Take the
shock absorber assembly to a Yamaha deal-
er for any service.
EBU29312Adjusting the rear shock absorber as-
sembly (YFM25RSEA/YFM250RSEA)The spring preload, rebound damping and com-
pression damping forces of the rear shock absorb-
er assembly can be adjusted to suit the rider’s
weight and the riding conditions.
WARNING
EWB02500Suspension components become hot during
operation. Never touch the compression
damping force adjusting screw, the rebound
damping force adjusting dial or the oil reser-
voir with your bare hand or skin until suspen-
sion components have cooled.NOTICEECB00090Never turn an adjusting mechanism beyond
the minimum and maximum settings.Spring preload
1. Loosen the locknut. Tightening torque:
Locknut:
42 Nm (4.2 m·kgf, 30 ft·lbf)
U1BT61E0.book Page 20 Tuesday, April 6, 2010 1:28 PM

4-24
4
WARNING
EWB00430This shock absorber assembly contains highly
pressurized nitrogen gas. Read and under-
stand the following information before han-
dling the shock absorber assembly.
Do not tamper with or attempt to open the
cylinder assembly.
Do not subject the shock absorber assembly
to an open flame or other high heat source.
This may cause the unit to explode due to ex-
cessive gas pressure.
Do not deform or damage the cylinder in any
way. Cylinder damage will result in poor
damping performance.
Do not dispose of a damaged or worn out
shock absorber assembly yourself. Take the
shock absorber assembly to a Yamaha deal-
er for any service.
U1BT61E0.book Page 24 Tuesday, April 6, 2010 1:28 PM

8-7
8
14*Chassis fastenersMake sure that all nuts, bolts, and screws are
properly tightened.√√√√√
15*Shock absorber as-
sembliesCheck operation and correct if necessary.
Check for oil leakage and replace if necessary.√√√
16*Steering shaftLubricate with lithium-soap-based grease.√√√
17*Steering systemCheck operation and repair or replace if damaged.
Check toe-in and adjust if necessary.√√√√√
18 Engine oilChange.
Check ATV for oil leakage, and correct if neces-
sary.√ √√√
19Engine oil filter ele-
mentReplace.√√√
20*Moving parts and
cablesLubricate.√√√√
21*Throttle lever hous-
ing and cableCheck operation and correct if necessary.
Check throttle cable free play and adjust if neces-
sary.
Lubricate throttle lever housing and cable.√√√√√
22*Front and rear brake
switchesCheck operation and correct if necessary.√√√√√
23*Lights and switchesCheck operation and correct if necessary.
Adjust headlight beams.√√√√√ NO. ITEMCHECK OR MAINTENANCE
JOBINITIAL EVERY
Whichev-
er comes
firstmonth136612
km
(mi)320
(200)1300
(800)2500
(1600)2500
(1600)5000
(3200)
hours 20 80 160 160 320U1BT61E0.book Page 7 Tuesday, April 6, 2010 1:28 PM

9-1
9
EBU25860
CLEANING AND STORAGE
EBU25902Cleaning Frequent, thorough cleaning of your ATV will not
only enhance its appearance but will improve its
general performance and extend the useful life of
many components.
1. Before cleaning the ATV:
a. Block off the end of the exhaust pipe to
prevent water entry. A plastic bag and
strong rubber band may be used.
b. Make sure the spark plug and all filler caps
are properly installed.
2. If the engine case is excessively greasy, apply
degreaser with a paint brush. Do not apply de-
greaser to the chain, sprockets or wheel ax-
les.
3. Rinse the dirt and degreaser off with a garden
hose. Use only enough pressure to do the job.
WARNING! Wet brakes may have reduced
stopping ability, increasing the chance of
an accident. Test the brakes after washing.
Apply the brakes several times at slow
speeds to let friction dry out the linings.
[EWB02311]
NOTICE: Excessive water pressuremay cause water seepage and deteriora-
tion of wheel bearings, brakes, transmis-
sion seals and electrical devices. Many
expensive repair bills have resulted from
improper high-pressure detergent applica-
tions such as those available in coin-oper-
ated car washers.
[ECB00711]
4. Once most of the dirt has been hosed off,
wash all surfaces with warm water and mild,
detergent-type soap. An old toothbrush or bot-
tle brush is handy for hard-to-reach places.
5. Rinse the ATV off immediately with clean wa-
ter and dry all surfaces with a chamois, clean
towel or soft absorbing cloth.
6. Dry the chain and lubricate it to prevent it from
rusting.
7. Clean the seat with a vinyl upholstery cleaner
to keep the cover pliable and glossy.
8. Automotive type wax may be applied to all
painted and chrome plated surfaces. Avoid
combination cleaner-waxes. Many contain
abrasives which may mar the paint or protec-
tive finish. When finished cleaning, start the
engine and let it idle for several minutes.
U1BT61E0.book Page 1 Tuesday, April 6, 2010 1:28 PM

10-4
10
Rim size:
9 x 8.0ATFront brake:Type:
Dual disc brake
Operation:
Right hand operation
Recommended fluid:
DOT 4Rear brake:Type:
Single disc brake
Operation:
Right foot operation
Recommended fluid:
DOT 4Front suspension:Type:
Double wishbone
Spring/shock absorber type:
YFM250RA Coil spring/oil damper
YFM250RSEA Coil spring/gas-oil damper
YFM25RA Coil spring/oil damper
YFM25RSEA Coil spring/gas-oil damper
Wheel travel:
190 mm (7.5 in)Rear suspension:Type:
Swingarm
Spring/shock absorber type:
Coil spring/gas-oil damperWheel travel:
200 mm (7.9 in)
Electrical system:Ignition system:
DC CDI
Charging system:
AC magnetoBattery:Model:
YTZ7S
Voltage, capacity:
12 V, 6.0 AhHeadlight:Bulb type:
Krypton bulbBulb voltage, wattage × quantity:Headlight:
12 V, 30/30 W × 2
Tail/brake light:
YFM250RA 12 V, 5.0/21.0 W × 1
YFM25RA 12 V, 5.0/21.0 W × 1
Tail/brake light:
YFM250RSEA LED
YFM25RSEA LED
Neutral indicator light:
12 V, 1.7 W × 1Fuse:Fuse:
15.0 A
U1BT61E0.book Page 4 Tuesday, April 6, 2010 1:28 PM