2018 YAMAHA YFZ50 Owners Manual

11-2
11
1. Model label
1
UBW461E0.book Page 2 Tuesday, January 31, 2017 5:13 PM

12-1
12
INDEX
AAccessories and loading ................................................ 6-5
Air filter element, cleaning ............................................ 8-16BBattery .......................................................................... 8-32
Brake lever free play, adjusting the front ..................... 8-23
Brake lever free play (rear), adjusting ........................... 8-25
Brake lever, front ............................................................ 4-5
Brake lever, rear ............................................................. 4-6
Brake levers, checking and lubricating ........................ 8-29
Brakes .......................................................................... 8-22
Brakes, front and rear .................................................... 5-3CCables, checking and lubricating ................................. 8-29
Carburetor, adjusting ...................................................8-20
Chassis fasteners ........................................................... 5-6
Cleaning ......................................................................... 9-1DDrive chain ..................................................................... 5-3
Drive chain, cleaning and lubricating ........................... 8-28
Drive chain slack .......................................................... 8-26EEngine break-in .............................................................. 6-3
Engine, cold start ........................................................... 6-1
Engine idling speed ...................................................... 8-20
Engine oil .............................................................. 5-3, 8-11
Engine, starting a warm ................................................. 6-3
Engine stop switch ......................................................... 4-1
Engine stop switch with lanyard .................................... 4-2
FFront and rear brake shoes, checking ......................... 8-22
Front arm pivots, lubricating ........................................ 8-30
Front knuckle pivots, lubricating .................................. 8-31
Fuel ........................................................................ 4-8, 5-3
Fuel cock ...................................................................... 4-10
Fuel tank cap ................................................................. 4-8
Fuse, replacing ............................................................. 8-35HHandlebar switches ....................................................... 4-1IIdentification numbers ................................................. 11-1
Instruments and switches .............................................. 5-6KKickstarter ...................................................................... 4-7LLabel locations ............................................................... 1-1MMain switch .................................................................... 4-1
Maintenance and lubrication chart ................................ 8-5
Maintenance chart, emission control system ................ 8-3
Model label .................................................................. 11-1OOwner’s manual and tool kit .......................................... 8-2PPanel, removing and installing ....................................... 8-9
Parking ........................................................................... 6-3
Parking brake ................................................................. 4-6
Parking on a slope ......................................................... 6-4
UBW461E0.book Page 1 Tuesday, January 31, 2017 5:13 PM

12-2
12
Part locations ................................................................. 3-1RRiding your ATV ............................................................. 7-1SSafety information .......................................................... 2-1
Seat .............................................................................. 4-12
Shock absorber, adjusting the rear ............................. 4-13
Spark arrester, cleaning ............................................... 8-19
Spark plug, checking ..................................................... 8-9
Specifications .............................................................. 10-1
Speed limiter .................................................................. 4-3
Starter (choke) ............................................................. 4-11
Start switch .................................................................... 4-2
Steering shaft, lubricating ............................................ 8-31
Storage .......................................................................... 9-2TThrottle lever ...........................................................4-3, 5-3
Throttle lever free play, adjusting ................................ 8-21
Tires ............................................................................... 5-3
Transmission oil ....................................................5-3, 8-14
Troubleshooting ........................................................... 8-37
Troubleshooting chart .................................................. 8-38VValve clearance ............................................................ 8-22
Vehicle identification number ...................................... 11-1WWheel hub bearings, checking .................................... 8-30
Wheel, installing ........................................................... 8-36
Wheel, removing .......................................................... 8-35
UBW461E0.book Page 2 Tuesday, January 31, 2017 5:13 PM

EBU33961
WARNING
ALWAYS
:
• use proper riding techniques to avoid
vehicle overturns on hills and rough
terrain and in turns.

seriously affect handling and control.
Improper ATV use can result in SEVERE INJURY or DEATH.
NEVER USE
WITH DRUGS
OR ALCOHOL
ALWAYS USE
AN APPROVED HELMET AND
PROTECTIVE GEAR NEVER USE
ON PAVED ROADS NEVER CARRY
PASSENGERS
NEVER
operate:


conditions.

another vehicle.

balance and steering and increase risk
of losing control.
LOCATE AND READ OWNER’S MANUAL. FOLLOW ALL INSTRUCTIONS AND WARNINGS.\
PRINTED IN TAIWAN 2017.02(E)
UBW461E0.book Page 1 Tuesda y, January 31, 2017 5:13 PM