2010 YAMAHA YFM350R suspension

Lubricating the swingarm pivots ............... 8-34
Lubricating the rear suspension relay arm
and connecting arm pivoting points ........ 8-35
Lubricating the upper and lower arm
pivots ...................................................... 8-36
Lubricating the steering shaft ................... 8-37
Battery ...................................................... 8-37
Replacing the fuse ................................... 8-40
Replacing a headlight bulb ....................... 8-40
Adjusting a headlight beam ...................... 8-42
Replacing the tail/brake light bulb ............ 8-43
Removing a wheel .................................... 8-43
Installing a wheel ...................................... 8-44
Troubleshooting ....................................... 8-44
Troubleshooting chart .............................. 8-46
CLEANING AND STORAGE .......................... 9-1
Cleaning ..................................................... 9-1
Storage ....................................................... 9-2
SPECIFICATIONS ...................................... 10-1
CONSUMER INFORMATION ...................... 11-1
Identification numbers .............................. 11-1
U1BS60E0.book Page 3 Thursday, April 16, 2009 4:11 PM

4-13
4
EBU18992Adjusting the front shock absorber as-
semblies 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. Spring preload adjusting ring
2. Position indicator
U1BS60E0.book Page 13 Thursday, April 16, 2009 4:11 PM

4-14
4
EBU19044Adjusting the rear shock absorber as-
sembly The spring preload can be adjusted to suit the rid-
er’s weight and the riding conditions.
NOTICEECB01090Never turn the adjusting mechanism beyond
the minimum and maximum settings.Adjust the spring preload as follows.
1. Loosen the locknut.
2. Turn the spring preload adjusting nut in direc-
tion (a) to increase the spring preload and
thereby harden the suspension, and in direc-
tion (b) to decrease the spring preload and
thereby soften the suspension.
1. Special wrenchSpring preload setting:
Minimum (soft):
1
Standard:
3
Maximum (hard):
5
1. Locknut
2. Spring preload adjusting nut
U1BS60E0.book Page 14 Thursday, April 16, 2009 4:11 PM

8-7
8
15*Shock absorber as-
sembliesCheck operation and correct if necessary.
Check for oil leakage and replace if necessary.√√√
16*Rear suspension re-
lay arm and con-
necting arm
pivoting pointsCheck operation and correct if necessary.
Lubricate with lithium-soap-based grease.√√√√
17*Steering shaftLubricate with lithium-soap-based grease.√√√
18*Steering systemCheck operation and repair or replace if damaged.
Check toe-in and adjust if necessary.√√√√√
19 Engine oilChange.
Check ATV for oil leakage, and correct if neces-
sary.√ √√√
20Engine oil filter ele-
mentClean or replace if necessary.√√√
21 Engine oil strainerClean.√√√
22*Moving parts and
cablesLubricate.√√√√
23*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.√√√√√
24*Front and rear brake
switchesCheck operation and correct if necessary.√√√√√
25*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 320U1BS60E0.book Page 7 Thursday, April 16, 2009 4:11 PM

8-35
8
EBU25003Lubricating the rear suspension relay
arm and connecting arm pivoting
points The rear suspension relay arm and connecting
arm pivoting points must be lubricated at the inter-
vals specified in the periodic maintenance and lu-
brication chart.
Lubricate the pivoting points using a grease gun.Recommended lubricant:
Lithium-soap-based grease
Recommended lubricant:
Lithium-soap-based grease
1. Grease nipple
1. Grease nipple
U1BS60E0.book Page 35 Thursday, April 16, 2009 4:11 PM

10-4
10
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:
Coil spring/oil damper
Wheel travel:
200 mm (7.9 in)Rear suspension:Type:
Swingarm (link suspension)
Spring/shock absorber type:
Coil spring/gas-oil damper
Wheel travel:
210 mm (8.3 in)
Electrical system:Ignition system:
DC. CDI
Charging system:
AC magnetoBattery:Model:
YTZ10S
Voltage, capacity:
12 V, 8.6 AhHeadlight:Bulb type:
Krypton bulbBulb voltage, wattage × quantity:Headlight:
12 V, 30/30 W × 2
Tail/brake light:
12 V, 5.0/21.0 W × 1
Neutral indicator light:
12 V, 1.7 W × 1
Reverse indicator light:
12 V, 1.7 W × 1Fuse:Fuse:
15.0 A
U1BS60E0.book Page 4 Thursday, April 16, 2009 4:11 PM

MMain 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 ........................................................................... 6-7
Parking brake free play, adjusting ................................ 8-26
Parking brake lever ........................................................ 4-6
Parking on a slope ......................................................... 6-7
Part locations ................................................................. 3-1RReverse indicator light ................................................... 4-2
Riding your ATV ............................................................. 7-1SSafety information .......................................................... 2-1
Seat .............................................................................. 4-12
Shifting ........................................................................... 6-4
Shift pedal ...................................................................... 4-7
Shock absorber assemblies, adjusting the front .......... 4-13
Shock absorber assembly, adjusting the rear .............. 4-14
Spark arrester, cleaning ............................................... 8-18
Spark plug, checking ...................................................... 8-9
Specifications ............................................................... 10-1
Speed limiter .................................................................. 4-3
Starter (choke) ............................................................. 4-11
Start switch .................................................................... 4-3
Steering shaft, lubricating ............................................ 8-37Storage .......................................................................... 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 ........................................ 8-34
TTail/brake light bulb, replacing ..................................... 8-43
Throttle cable free play, adjusting ................................ 8-21
Throttle lever ........................................................... 4-3, 5-3
Tires ............................................................................... 5-4
Troubleshooting ........................................................... 8-44
Troubleshooting chart .................................................. 8-46VValve clearance ........................................................... 8-22
Vehicle identification number ....................................... 11-1WWheel hub bearings, checking ..................................... 8-34
Wheel, installing ........................................................... 8-44
Wheel, removing .......................................................... 8-43
U1BS60E0.book Page 2 Thursday, April 16, 2009 4:11 PM