2008 YAMAHA YFM350R brake
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EBU17420
TABLE OF CONTENTS
SAFETY INFORMATION .............................. 1-1
LOCATION OF THE WARNING AND
SPECIFICATION LABELS ............................ 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 lights ............................................ 4-2
Handlebar switches .................................... 4-2
Throttle lever .............................................. 4-3
Speed limiter .............................................. 4-4
Clutch lever ................................................ 4-5
Brake lever ................................................. 4-5
Brake pedal ................................................ 4-5
Parking brake lever .................................... 4-6
Shift pedal .................................................. 4-7
Drive select lever ........................................ 4-7
Fuel tank cap .............................................. 4-8Fuel .............................................................4-8
Fuel cock ....................................................4-9
Starter (choke) ..........................................4-11
Seat ..........................................................4-11
Adjusting the front shock
absorber assemblies ...............................4-12
Adjusting the rear shock
absorber assembly .................................4-14
PRE-OPERATION CHECKS ..........................5-1
Pre-operation check list ..............................5-1
Fuel .............................................................5-3
Engine oil ....................................................5-3
Front and rear brakes .................................5-3
Throttle lever ...............................................5-4
Drive chain ..................................................5-4
Tires ............................................................5-4
Measuring the tire pressure ........................5-5
Tire wear limit .............................................5-6
Chassis fasteners .......................................5-7
Instruments, lights and switches .................5-7
OPERATION...................................................6-1
Starting a cold engine .................................6-1U5YT64E0.book Page 1 Monday, April 9, 2007 1:03 PM
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Starting a warm engine .............................. 6-3
Operating the drive select lever and
driving in reverse ...................................... 6-3
Shifting ....................................................... 6-4
Engine break-in .......................................... 6-6
Parking ....................................................... 6-6
Parking on a slope ..................................... 6-7
Accessories and loading ............................ 6-8
RIDING YOUR ATV ...................................... 7-1
GETTING TO KNOW YOUR ATV............... 7-2
RIDE WITH CARE AND
GOOD JUDGEMENT ................................ 7-2
BE CAREFUL WHERE YOU RIDE ............. 7-9
TURNING YOUR ATV .............................. 7-13
CLIMBING UPHILL ................................... 7-14
RIDING DOWNHILL.................................. 7-17
CROSSING A SLOPE............................... 7-18
CROSSING THROUGH
SHALLOW WATER................................. 7-19
RIDING OVER ROUGH TERRAIN ........... 7-21
SLIDING AND SKIDDING ......................... 7-22
WHAT TO DO IF... .................................... 7-23
WHAT TO DO... ........................................ 7-23PERIODIC MAINTENANCE AND
MINOR REPAIR .............................................8-1
Owner’s manual and tool kit .......................8-1
Periodic maintenance chart
for the emission control system ................8-3
General maintenance and
lubrication chart ........................................8-5
Checking the spark plug .............................8-9
Engine oil and oil filter element .................8-11
Cleaning the air filter element ...................8-14
Cleaning the spark arrester ......................8-18
Adjusting the carburetor ............................8-19
Adjusting the engine idling speed .............8-20
Adjusting the throttle cable free play .........8-21
Valve clearance ........................................8-21
Checking the front and rear brake pads ...8-22
Checking the brake fluid level ...................8-23
Changing the brake fluid ...........................8-24
Checking the front brake lever free play ...8-24
Checking the brake pedal position ............8-25
Adjusting the parking brake free play .......8-26
Brake light switches ..................................8-27
Adjusting the clutch lever free play ...........8-28
Drive chain slack .......................................8-29
Lubricating the drive chain ........................8-31
Checking and lubricating the cables .........8-32
U5YT64E0.book Page 2 Monday, April 9, 2007 1:03 PM
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Checking and lubricating the brake and
clutch levers ........................................... 8-33
Checking and lubricating the brake and
shift pedals ............................................. 8-33
Checking the wheel hub bearings ............ 8-34
Lubricating the swingarm pivots ............... 8-34
Lubricating the rear suspension relay arm
and connecting arm pivoting points ........ 8-34
Lubricating the upper and
lower arm pivots ..................................... 8-36
Lubricating the steering shaft ................... 8-36
Battery ...................................................... 8-37
Replacing the fuse ................................... 8-38
Replacing a headlight bulb ....................... 8-39
Adjusting a headlight beam ...................... 8-41
Replacing the tail/brake light bulb ............ 8-41
Removing a wheel .................................... 8-42
Installing a wheel ...................................... 8-43
Troubleshooting ....................................... 8-43
Troubleshooting chart .............................. 8-44
CLEANING AND STORAGE .......................... 9-1
Cleaning ..................................................... 9-1
Storage ....................................................... 9-2SPECIFICATIONS .......................................10-1
CONSUMER INFORMATION.......................11-1
Identification numbers ...............................11-1
U5YT64E0.book Page 3 Monday, April 9, 2007 1:03 PM
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1-3
1 speed when climbing a hill. If you stall or roll
backwards, follow the special procedure for
braking described in this manual. Dismount on
the uphill side or to a side if pointed straight up-
hill. Turn the ATV around and remount, following
the procedure described in this manual.
Always check for obstacles before operating in a
new area.Never attempt to operate over large obstacles,
such as large rocks or fallen trees. Always follow
proper procedures when operating over obsta-
cles as described in this manual.Always be careful when skidding or sliding.
Learn to safely control skidding or sliding by
practicing at low speeds and on level, smooth
terrain. On extremely slippery surfaces, such as
ice, go slowly and be very cautious in order to re-
duce the chance of skidding or sliding out of con-
trol.Never operate an ATV in fast flowing water or in
water deeper than that recommended in this
manual. Remember that wet brakes may have
reduced stopping ability. Test your brakes after
leaving water. If necessary, apply them several
times to let friction dry out the linings.
Always be sure there are no obstacles or people
behind you when you operate in reverse. When
it is safe to proceed in reverse, go slowly.Always use the size and type of tires specified in
this manual.Always maintain proper tire pressure as de-
scribed in this manual.Never modify an ATV through improper installa-
tion or use of accessories.Never exceed the stated load capacity for an
ATV. Cargo should be properly distributed and
securely attached. Reduce speed and follow in-
structions in this manual for carrying cargo or
pulling a trailer. Allow greater distance for brak-
ing.
WARNING
EWB00061Always turn off the engine when refueling.Do not refuel right after the engine has been
running and is still very hot.Do not spill gasoline on the engine or ex-
haust pipe/muffler when refueling. Never re-
fuel while smoking, or in the vicinity of
sparks, open flames, or other sources of ig-
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3-1
3
EBU17680
DESCRIPTION
EBU17690Left view
EBU17700Right view
1. Front shock absorber assembly spring preload adjusting
ring
2. Fuel cock
3. Throttle stop screw
4. Air filter case
5. Battery
6. Owner’s tool kit
7. Oil filter element
8. Shift pedal
1. Spark arrester
2. Fuse
3. Rear shock absorber assembly spring preload adjusting
nut
4. Drive select lever
5. Fuel tank cap
6. Spark plug
7. Engine oil filler cap
8. Brake pedal
9. Rear brake light switch
10.Rear brake fluid reservoir
U5YT64E0.book Page 1 Monday, April 9, 2007 1:03 PM
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3-2
3
EBU17712Controls and instrumentsNOTE:The ATV you have purchased may differ slightlyfrom the figures shown in this manual.1. Clutch lever
2. Parking brake lever
3. Front brake fluid reservoir
4. Brake lever
5. Throttle lever
6. Main switch
7. Handlebar switchesU5YT64E0.book Page 2 Monday, April 9, 2007 1:03 PM
Page 27 of 134
4-5
4
EBU18382Clutch lever The clutch lever is located on the left handlebar
and the ignition circuit cut-off system is incorporat-
ed in the clutch lever holder. To disengage the
clutch, pull the clutch lever toward the handlebar
grip. To engage the clutch, release the clutch lever.
The clutch lever should be pulled rapidly and re-
leased slowly for smooth clutch operation. (See
page 6-1 for a description of the ignition circuit cut-
off system.)
EBU18411Brake lever The brake lever is located at the right handlebar
grip. To apply the front brake, pull the brake lever
toward the handlebar grip.EBU18432Brake pedal The brake pedal is located on the right side of the
ATV. To apply the rear brake, push down on the
brake pedal.
1. Clutch lever
1. Brake lever
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4-6
4
EBU18520Parking brake lever Use the parking brake before starting the engine or
parking the ATV, especially on a slope. To apply
the parking brake, move the parking brake lever in
direction (a). To release the parking brake, move
the parking brake lever in direction (b).1. Brake pedal
1. Parking brake lever (locked position)
1. Parking brake lever (unlocked position)
U5YT64E0.book Page 6 Monday, April 9, 2007 1:03 PM