2017 YAMAHA YFM90 light

10-3
10
Tire air pressure (measured on cold tires):Recommended:Front: 24.0 kPa (0.240 kgf/cm², 3.5 psi)
Rear: 24.0 kPa (0.240 kgf/cm², 3.5 psi)
Minimum:
Front: 20.7 kPa (0.207 kgf/cm², 3.0 psi)
Rear:
20.7 kPa (0.207 kgf/cm², 3.0 psi)Front wheel:Wheel type:Panel wheel
Rim size:
8 x 5.5ATRear wheel:Wheel type:Panel wheel
Rim size:
8 x 5.5ATFront brake:Type:Mechanical leading, trailing drum brake
Operation:
Right hand operationRear brake:Type:Mechanical leading, trailing drum brake
Operation:
Left hand operation
Front suspension:Type:Swing axle
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel: 126 mm (5.0 in)Rear suspension:Type:
Swingarm
Spring/shock absorber type: Coil spring/oil damper
Wheel travel: 145 mm (5.7 in)Electrical system:Ignition system:CDI
Charging system: AC magnetoBattery:Model:GTX5L-BS
Voltage, capacity: 12 V, 4.0 AhBulb voltage, wattage × quantity:Neutral indicator light:
12 V, 3.5 W × 1
Reverse indicator light: 12 V, 3.5 W × 1
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12
INDEX
AAccessories and loading ................................................ 6-6
Air filter element, cleaning ............................................ 8-15BBattery .......................................................................... 8-31
Brake lever free play, adjusting the front ..................... 8-22
Brake lever free play (rear), adjusting ........................... 8-24
Brake lever, front ............................................................ 4-4
Brake lever, rear ............................................................. 4-5
Brake levers, checking and lubricating ........................ 8-29
Brakes .......................................................................... 8-21
Brakes, front and rear .................................................... 5-3CCables, checking and lubricating ................................. 8-28
Carburetor, adjusting ...................................................8-19
Chassis fasteners ........................................................... 5-6
Cleaning ......................................................................... 9-1DDrive chain ..................................................................... 5-3
Drive chain, lubricating ................................................ 8-27
Drive chain slack .......................................................... 8-25
Drive select lever ............................................................ 4-6
Drive select lever and driving in reverse ........................ 6-3EEngine break-in .............................................................. 6-4
Engine, cold start ........................................................... 6-1
Engine idling speed ...................................................... 8-19
Engine oil .............................................................. 5-3, 8-11
Engine, starting a warm ................................................. 6-3Engine stop switch ......................................................... 4-2
FFront and rear brake shoes, checking ......................... 8-21
Front knuckle pivots, lubricating .................................. 8-30
Fuel ........................................................................ 4-8, 5-3
Fuel cock ...................................................................... 4-10
Fuel tank cap ................................................................. 4-8
Fuse, replacing ............................................................. 8-33HHandlebar switches ....................................................... 4-2IIdentification numbers ................................................. 11-1
Indicator lights ............................................................... 4-1
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 .................................................................. 11-1NNeutral indicator light ..................................................... 4-1OOwner’s manual and tool kit .......................................... 8-2PParking ........................................................................... 6-5
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Parking brake ................................................................. 4-5
Parking on a slope ......................................................... 6-5
Part locations ................................................................. 3-1RReverse indicator light ................................................... 4-1
Riding your ATV ............................................................. 7-1SSafety information .......................................................... 2-1
Seat .............................................................................. 4-12
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 .................................................................... 4-2
Steering shaft, lubricating ............................................ 8-30
Storage .......................................................................... 9-2TThrottle lever ...........................................................4-2, 5-3
Throttle lever free play, adjusting ................................ 8-20
Tires ............................................................................... 5-3
Transmission oil ....................................................5-3, 8-14
Troubleshooting ........................................................... 8-35
Troubleshooting chart .................................................. 8-36VValve clearance ............................................................ 8-21
Vehicle identification number ...................................... 11-1WWheel hub bearings, checking .................................... 8-29Wheel, installing ........................................................... 8-34
Wheel, removing .......................................................... 8-34
UBD361E0.book Page 2 Monday, January 25, 2016 10:53 AM