2007 YAMAHA YFM350R-W suspension

Checking and lubricating the brake and
shift pedals ............................................. 8-32
Checking the wheel bearings ................... 8-32
Lubricating the swingarm pivots ............... 8-32
Lubricating the rear suspension relay arm
and connecting arm pivoting points ........ 8-33
Lubricating the upper and lower arm
pivots ...................................................... 8-34
Lubricating the steering shaft ................... 8-35
Battery ...................................................... 8-35
Replacing a fuse ...................................... 8-37
Headlight bulb .......................................... 8-38
Headlight beam ........................................ 8-38
Replacing the tail/brake light bulb ............ 8-38
Replacing a turn signal light bulb ............. 8-38
Replacing the license plate light bulb ....... 8-39
Auxiliary light bulb .................................... 8-40
Removing a wheel .................................... 8-40
Installing a wheel ...................................... 8-41
Troubleshooting ....................................... 8-42
Troubleshooting chart .............................. 8-43
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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4-15
4Turn the adjusting ring in direction (a) to increase
the spring preload and thereby harden the suspen-
sion, and in direction (b) to decrease the spring
preload and thereby soften the suspension.
NOTE:A special wrench can be obtained at a Yamahadealer to make this adjustment.1. Spring preload adjusting ring
2. Position indicator
1. Special wrenchSpring preload setting:
Minimum (soft):
1
Standard:
3
Maximum (hard):
5
U10P60E0.book Page 15 Thursday, June 15, 2006 4:19 PM

4-16
4
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.EBU19040Adjusting the rear shock absorber as-
sembly The spring preload can be adjusted to suit the rid-
er’s weight and the riding conditions.
Adjust the spring preload as follows.
1. Loosen the locknut.
2. Turn the adjusting nut in direction (a) to in-
crease the spring preload and thereby harden
the suspension, and in direction (b) to de-
crease the spring preload and thereby soften
the suspension.
NOTE:
A special wrench can be obtained at a Yamaha
dealer to make this adjustment.
The spring preload setting is determined by
measuring distance A, shown in the illustration.
The shorter distance A is, the higher the spring
preload; the longer distance A is, the lower the
spring preload. With each complete turn of the
adjusting nut, distance A is changed by 1.5 mm(0.06 in).1. Locknut
2. Spring preload adjusting nut
U10P60E0.book Page 16 Thursday, June 15, 2006 4:19 PM

8-5
8
16*Drive chain rollersCheck for wear and replace if necessary.√√√
17*Chassis fastenersMake sure that all nuts, bolts, and screws are
properly tightened.√√√√√
18*Shock absorber as-
sembliesCheck operation and correct if necessary.
Check for oil leakage and replace if necessary.√√√
19*Rear suspension re-
lay arm and con-
necting arm
pivoting pointsCheck operation and correct if necessary.
Lubricate with lithium-soap-based grease.√√√√
20*Steering shaftLubricate with lithium-soap-based grease.√√√
21*Steering systemCheck operation and repair or replace if damaged.
Check toe-in and adjust if necessary.√√√√√
22*CarburetorCheck starter (choke) operation and correct if nec-
essary.
Check engine idling speed and adjust if neces-
sary.√√√√
23*Crankcase breather
systemCheck breather hose for cracks or other damage,
and replace if necessary.√√√
24 Engine oilChange.
Check ATV for oil leakage, and correct if neces-
sary.√ √√√
25Engine oil filter ele-
mentClean or replace if necessary.√√√
26 Engine oil strainerClean.√√√ NO. ITEMCHECK OR MAINTENANCE
JOBINITIAL EVERY
Whichev-
er comes
firstmonth136612
km
(mi)320
(200)1200
(750)2400
(1500)2400
(1500)4800
(3000)
hours 20 75 150 150 300U10P60E0.book Page 5 Thursday, June 15, 2006 4:19 PM

8-33
8
EBU25001Lubricating 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
U10P60E0.book Page 33 Thursday, June 15, 2006 4:19 PM

10-4
10
Front 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:
Halogen bulbBulb voltage, wattage x quantity:Headlight:
12 V, 35.0/35.0 W × 1Tail/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 W
Auxiliary 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
Reverse indicator light:
12 V, 1.7 W × 1
Fuses:Main fuse:
15.0 A
Signaling system fuse:
7.5 A
U10P60E0.book Page 4 Thursday, June 15, 2006 4:19 PM

License plate light bulb, replacing ................................ 8-39
Light switch .................................................................... 4-4MMain switch .................................................................... 4-1
Model label ................................................................... 11-1NNeutral indicator light ..................................................... 4-2OOwner’s manual and tool kit ........................................... 8-1PParking ........................................................................... 6-7
Parking brake free play, adjusting ................................ 8-24
Parking brake lever ........................................................ 4-7
Parking on a slope ......................................................... 6-8
Part locations ................................................................. 3-1
Periodic maintenance and lubrication chart ................... 8-3
Pre-operation check list .................................................. 5-1RReverse indicator light .................................................... 4-2
Riding your ATV ............................................................. 7-1SSafety information .......................................................... 1-1
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 ............................................... 8-16
Spark plug, checking ...................................................... 8-8
Specifications ............................................................... 10-1
Speed limiter .................................................................. 4-5
Speedometer .................................................................. 4-2Starter (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
Suspension relay arm and connecting arm pivoting
points, lubricating the rear ......................................... 8-33
Swingarm pivots, lubricating ........................................ 8-32
TTail/brake light bulb, replacing ..................................... 8-38
Throttle cable free play, adjusting ................................ 8-19
Throttle lever ........................................................... 4-4, 5-4
Tire pressure, measuring ............................................... 5-5
Tires ............................................................................... 5-4
Tire wear limit ................................................................. 5-6
Troubleshooting ........................................................... 8-42
Troubleshooting chart .................................................. 8-43
Turn signal indicator light ............................................... 4-2
Turn signal light bulb, replacing ................................... 8-38
Turn signal switch .......................................................... 4-4VValve clearance ............................................................ 8-19
Vehicle identification number ....................................... 11-1WWheel bearings, checking ............................................ 8-32
Wheel, installing ........................................................... 8-41
Wheel, removing .......................................................... 8-40
U10P60E0.book Page 2 Thursday, June 15, 2006 4:19 PM