tires YAMAHA YFM350R-W 2012 User Guide

8-6
8
5*Brake hosesCheck for cracks or other damage, and replace if
necessary.√√√√
Replace. Every 4 years
6*Parking brakeCheck operation and adjust if necessary.√√√√√
7*WheelsCheck runout and for damage, and replace if nec-
essary.√ √√√
8*TiresCheck tread depth and for damage, and replace if
necessary.
Check air pressure and balance, and correct if
necessary.√ √√√
9*Wheel hub bearingsCheck for looseness or damage, and replace if
necessary.√ √√√
10*Swingarm pivotsCheck operation and for excessive play, and re-
place bearings if necessary.
Lubricate with lithium-soap-based grease.√√√
11*Upper and lower
arm pivotsLubricate with lithium-soap-based grease.√√√
12 Drive chainCheck chain slack and adjust if necessary.
Check rear wheel alignment and correct if neces-
sary.
Clean and lubricate.√√√√√
13*Drive chain rollersCheck for wear and replace if necessary.√√√ NO. ITEMCHECK OR MAINTENANCE
JOBINITIAL EVERY
Whichev-
er comes
firstmonth136612
km
(mi)320
(200)1300
(800)2500
(1600)2500
(1600)5000
(3200)
hours 20 80 160 160 320
U10P70E0.book Page 6 Thursday, July 21, 2011 8:51 AM

8-29
8
TIPIf the specified clutch lever free play could be ob-
tained as described above, skip steps 4–8.4. Fully turn the adjusting bolt at the clutch lever
in direction (a) to loosen the clutch cable.
5. Slide the rubber cover back at the crankcase.
6. Loosen the locknut.
7. To increase the clutch lever free play, turn the
adjusting nut at the crankcase in direction (a),
and to decrease it, turn the nut in direction (b).8. Tighten the locknut at the crankcase, and then
slide the rubber cover to its original position.
9. Tighten the locknut at the clutch lever, and
then slide the rubber cover to its original posi-
tion.
TIPIf the specified free play cannot be obtained as de-
scribed above or if the clutch does not operate cor-
rectly, have a Yamaha dealer check the internal
clutch mechanism.EBU28144Drive chain slack The drive chain slack should be checked before
each ride and adjusted if necessary.
To check the drive chain slack
1. Place the ATV on a level surface.TIPWhen checking and adjusting the drive chain
slack, there should be no weight on the ATV and
all tires must be touching the ground.2. Move the ATV back and forth to locate the
tightest portion of the drive chain, and then
measure the drive chain slack as shown.
1. Locknut
2. Clutch lever free play adjusting nut
3. Rubber cover
2
(a)
(b)
3
1
U10P70E0.book Page 29 Thursday, July 21, 2011 8:51 AM

9-3
97. Check and, if necessary, correct the tire air
pressure, and then block up the ATV so that
all of its wheels are off the ground. Alternative-
ly, turn the wheels a little every month in order
to prevent the tires from becoming degraded
in one spot.
8. Cover the muffler outlet with a plastic bag to
prevent moisture from entering it.
9. Remove the battery and fully charge it. Store
it in a cool, dry place and charge it once a
month. Do not store the battery in an exces-
sively cold or warm place [less than 0 °C (30
°F) or more than 30 °C (90 °F)]. For more in-
formation on storing the battery, see page
8-38.
TIPMake any necessary repairs before storing the
ATV.U10P70E0.book Page 3 Thursday, July 21, 2011 8:51 AM

10-3
10
Trail:
26.0 mm (1.02 in)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:
25.0 kPa (0.250 kgf/cm², 3.6 psi)
Rear:
25.0 kPa (0.250 kgf/cm², 3.6 psi)
Minimum:
Front:
22.0 kPa (0.220 kgf/cm², 3.2 psi)
Rear:
22.0 kPa (0.220 kgf/cm², 3.2 psi)
Front wheel:Wheel type:
Panel wheel
Rim size:
10 x 5.5ATRear wheel:Wheel type:
Panel wheel
Rim size:
9 x 8.0ATFront brake:Type:
Disc brake
Operation:
Right hand operation
Specified brake fluid:
DOT 4Rear brake:Type:
Disc brake
Operation:
Right foot operation
Specified brake fluid:
DOT 4Front suspension:Type:
Double wishbone
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
200 mm (7.9 in)
U10P70E0.book Page 3 Thursday, July 21, 2011 8:51 AM

LLabel locations ............................................................... 1-1
License plate light bulb, replacing ................................ 8-42
Light switch .................................................................... 4-4MMain switch .................................................................... 4-1
Maintenance and lubrication chart ................................. 8-5
Maintenance chart, emission control system ................. 8-3
Model label ................................................................... 11-1NNeutral indicator light ..................................................... 4-2OOwner’s manual and tool kit ........................................... 8-2PParking ........................................................................... 6-7
Parking brake free play, adjusting ................................ 8-26
Parking brake lever ........................................................ 4-7
Parking on a slope ......................................................... 6-7
Part locations ................................................................. 3-1RReverse indicator light .................................................... 4-2
Riding your ATV ............................................................. 7-1SSafety information .......................................................... 2-1
Seat .............................................................................. 4-14
Shifting ........................................................................... 6-4
Shift pedal ...................................................................... 4-8
Shock absorber assemblies, adjusting the front .......... 4-14
Shock absorber assembly, adjusting the rear .............. 4-16
Spark arrester, cleaning ............................................... 8-18
Spark plug, checking ...................................................... 8-9
Specifications ............................................................... 10-1Speed limiter .................................................................. 4-5
Speedometer .................................................................. 4-2
Starter (choke) ............................................................. 4-12
Start switch ..................................................................... 4-3
Steering lock ................................................................ 4-13
Steering shaft, lubricating ............................................. 8-37
Storage ........................................................................... 9-2
Suspension, lubricating the upper and
lower arm pivots ......................................................... 8-36
Suspension relay arm and connecting arm pivoting
points, lubricating the rear ......................................... 8-35
Swingarm pivots, lubricating ........................................ 8-35
TTail/brake light bulb, replacing ..................................... 8-41
Throttle lever ........................................................... 4-4, 5-3
Throttle lever free play, adjusting ................................. 8-21
Tires ............................................................................... 5-4
Troubleshooting ........................................................... 8-45
Troubleshooting chart .................................................. 8-46
Turn signal indicator light ............................................... 4-2
Turn signal light bulb, replacing ................................... 8-42
Turn signal switch .......................................................... 4-4VValve clearance ............................................................ 8-22
Vehicle identification number ....................................... 11-1WWheel hub bearings, checking ..................................... 8-35
Wheel, installing ........................................................... 8-44
Wheel, removing .......................................................... 8-44
U10P70E0.book Page 2 Thursday, July 21, 2011 8:51 AM