2011 YAMAHA YFM250R-W brake

9-2
9abrasives which may mar the paint or protec-
tive finish. When finished cleaning, start the
engine and let it idle for several minutes.
WARNING
EWB02310Wet 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 thelinings.EBU25932Storage Short-term
Always store your ATV in a cool, dry place and, if
necessary, protect it against dust with a porous
cover.NOTICEECB00720
Storing the ATV in a poorly ventilated room
or covering it with a tarp while it is still wet,
will allow water and humidity to seep in and
cause rust.

To prevent corrosion, avoid damp cellars,
stables (because of the presence of ammo-
nia) and areas where strong chemicals arestored.
Long-term
Before storing your ATV for several months:
1. Follow all the instructions in the “Cleaning”
section of this chapter.
2. Turn the fuel cock lever to “OFF”.
3. Drain the carburetor float chamber by loosen-
ing the drain bolt; this will prevent fuel deposits
from building up. Pour the drained fuel into the
fuel tank.
4. Fill up the fuel tank and add fuel stabilizer (if
available) to prevent the fuel from deteriorat-
ing.
5. Perform the following steps to protect the cyl-
inder, piston rings, etc. from corrosion.
a. Remove the spark plug cap and spark
plug. Specified amount:
7.5 ml of stabilizer to each liter of fuel (or 1 oz
of stabilizer to each gallon of fuel)
U33B70E0.book Page 2 Wednesday, June 11, 2008 1:38 PM

10-3
10
Front tire:Type:
Tubeless
Size:
AT21 x 7-10
Manufacturer/model:
MAXXIS/C9207Rear tire:Type:
Tubeless
Size:
AT20 x 10-9
Manufacturer/model:
MAXXIS/M976Loading:Maximum loading limit:
100.0 kg (220 lb)
(Total weight of rider, cargo, accessories, and tongue)Tire air pressure (measured on cold tires):Recommended:
Front:
27.5 kPa (0.275 kgf/cm², 4.0 psi)
Rear:
27.5 kPa (0.275 kgf/cm², 4.0 psi)
Minimum:
Front:
24.5 kPa (0.245 kgf/cm², 3.6 psi)
Rear:
24.5 kPa (0.245 kgf/cm², 3.6 psi)
Front wheel:Wheel type:
Panel wheel
Rim size:
10 x 5.5ATRear wheel:Wheel type:
Panel wheel
Rim size:
9 x 8.5ATFront 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:
YFM250RSE-W Coil spring/gas-oil damper
YFM250R-W Coil spring/oil damper
U33B70E0.book Page 3 Wednesday, June 11, 2008 1:38 PM

10-4
10
Wheel travel:
190 mm (7.5 in)Rear suspension:Type:
Swingarm
Spring/shock absorber type:
Coil spring/gas-oil damper
Wheel 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:
Halogen bulbBulb voltage, wattage × quantity:Headlight:
12 V, 35.0/35.0 W × 1
Tail/brake light:
12 V, 5.0/21.0 W × 1
Front turn signal light:
12 V, 10.0 W
Rear turn signal light:
12 V, 10.0 WAuxiliary light:
12 V, 5.0 W
License plate light:
12 V, 5.0 W
Neutral indicator light:
12 V, 1.7 W × 1
High beam indicator light:
LED
Turn signal indicator light:
LED
Fuses:Main fuse:
15.0 A
Accessory fuse:
7.5 A
U33B70E0.book Page 4 Wednesday, June 11, 2008 1:38 PM

INDEX
AAccessories and loading ................................................ 6-7
Air filter element, cleaning ............................................ 8-13
Auxiliary light bulb ........................................................ 8-41BBattery .......................................................................... 8-36
Brake and clutch levers, checking and lubricating ....... 8-33
Brake fluid, changing .................................................... 8-24
Brake fluid level, checking ............................................ 8-22
Brake lever free play, checking the front ...................... 8-24
Brake lever (YFM250RSE-W) ........................................ 4-7
Brake lever (YFM250R-W) ............................................. 4-6
Brake light switches ..................................................... 8-27
Brake pads, checking the front and rear ...................... 8-21
Brake pedal .................................................................... 4-7
Brake pedal, checking and lubricating ......................... 8-34
Brake pedal position, checking .................................... 8-25
Brakes, front and rear .................................................... 5-3CCables, checking and lubricating ................................. 8-32
Carburetor, adjusting .................................................... 8-18
Chassis fasteners ........................................................... 5-6
Cleaning ......................................................................... 9-1
Clutch lever .................................................................... 4-6
Clutch lever free play, adjusting ................................... 8-28DDrive chain ..................................................................... 5-4
Drive chain, lubricating ................................................. 8-31Drive chain slack .......................................................... 8-29
EEngine break-in .............................................................. 6-5
Engine, cold start ........................................................... 6-1
Engine idling speed ...................................................... 8-19
Engine oil ....................................................................... 5-3
Engine oil and oil filter element ...................................... 8-9
Engine, starting a warm ................................................. 6-3
Engine stop switch ......................................................... 4-3FFuel ....................................................................... 4-10, 5-3
Fuel cock ...................................................................... 4-11
Fuel tank cap .................................................................. 4-9
Fuse, replacing ............................................................. 8-38HHandlebar switches ........................................................ 4-3
Hazard switch ................................................................. 4-4
Headlight beam ............................................................ 8-40
Headlight bulb .............................................................. 8-39
High beam indicator light ................................................ 4-2
Horn switch .................................................................... 4-4IIdentification numbers .................................................. 11-1
Indicator lights ................................................................ 4-2
Instruments, lights and switches .................................... 5-6KKey identification number ............................................. 11-1
U33B70E0.book Page 1 Wednesday, June 11, 2008 1:38 PM

LLabel locations ............................................................... 2-1
Light switch .................................................................... 4-4MMain switch .................................................................... 4-1
Maintenance and lubrication chart ................................. 8-5
Maintenance chart, emission control system ................. 8-3
Model label ................................................................... 11-2NNeutral indicator light ..................................................... 4-2OOwner’s manual and tool kit ........................................... 8-1PParking ........................................................................... 6-5
Parking brake free play, adjusting ................................ 8-26
Parking brake lever ........................................................ 4-8
Parking on a slope ......................................................... 6-6
Part locations ................................................................. 3-1
Pre-operation check list ................................................. 5-1RRiding your ATV ............................................................. 7-1SSafety information .......................................................... 1-1
Seat .............................................................................. 4-14
Shifting ........................................................................... 6-3
Shift pedal ...................................................................... 4-9
Shift pedal, checking .................................................... 8-34
Shock absorber assemblies, adjusting the front
(YFM250RSE-W) ....................................................... 4-15
Shock absorber assemblies, adjusting the front
(YFM250R-W) ........................................................... 4-14Shock absorber assembly, adjusting the rear
(YFM250RSE-W) ....................................................... 4-22
Shock absorber assembly, adjusting the rear
(YFM250R-W) ........................................................... 4-20
Spark arrester, cleaning ............................................... 8-17
Spark plug, checking ..................................................... 8-8
Specifications ............................................................... 10-1
Speed limiter .................................................................. 4-5
Speedometer ................................................................. 4-2
Starter (choke) ............................................................. 4-12
Start switch .................................................................... 4-3
Steering lock ................................................................ 4-13
Steering shaft, lubricating ............................................ 8-35
Storage .......................................................................... 9-2
Suspension, lubricating the upper and lower arm
pivots ......................................................................... 8-34
Swingarm pivots, lubricating ........................................ 8-34
TTail/brake light bulb, replacing ..................................... 8-40
Throttle cable free play, adjusting ................................ 8-20
Throttle lever ........................................................... 4-4, 5-4
Tire pressure, measuring ............................................... 5-5
Tires ............................................................................... 5-4
Tire wear limit ................................................................ 5-6
Troubleshooting ........................................................... 8-43
Troubleshooting chart .................................................. 8-44
Turn signal indicator light ............................................... 4-2
Turn signal light bulb, replacing ................................... 8-40
Turn signal switch .......................................................... 4-4VValve clearance ........................................................... 8-20
Vehicle identification number ....................................... 11-1
U33B70E0.book Page 2 Wednesday, June 11, 2008 1:38 PM