wheel YAMAHA YFZ50 2021 Owner's Manual

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EBU25964
SPECIFICATIONS
Dimensions:Overall length:1250 mm (49.2 in)
Overall width: 820 mm (32.3 in)
Overall height:
770 mm (30.3 in)
Seat height: 585 mm (23.0 in)
Wheelbase: 830 mm (32.7 in)
Ground clearance:
125 mm (4.9 in)
Minimum turning radius: 2.3 m (7.55 ft)
Maximum water depth: 11 cm (4 in)Weight:Curb weight:100.0 kg (220 lb)Loading:Maximum load:
41.0 kg (90 lb)
(Total weight of rider, cargo, accessories, and tongue)Noise and vibration level:Noise level (77/311/EEC):74.0 dB(A) at 3625 r/min Uncertainty of measurement:
0.3 dB(A)
Vibration on seat (EN1032, ISO5008): Will not exceed 0.5 m/s²
Uncertainty of measurement: 0.1 m/s²
Vibration on handle (EN1032, ISO5008):
4.6 m/s²
Uncertainty of measurement: 0.4 m/s²
Engine:Combustion cycle:
4-stroke
Cooling system: Air cooled
Valve train: SOHC
Number of cylinders:
Single cylinder
Displacement: 49 cm³
Bore × stroke:
39.0 × 41.4 mm (1.54 × 1.63 in)
Compression ratio:
8.5 : 1
Starting system: Electric starter and kickstarter
Lubrication system: Wet sump
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Transmission type:CVT automatic
Gear ratio: Transmission ratio:2.140–0.710 : 1
Forward gear: 10.967 (49/15 x 47/14)Front tire:Size:AT16x6.5-7
Manufacturer/model: DURO/DI2040Rear tire:Size:AT16x7-7
Manufacturer/model: DURO/DI2041Tire air pressure (measured on cold tires):Vehicle load:0.0–41.0 kg (0–90 lb)
Recommended: Front:15.0 kPa (0.150 kgf/cm², 2.2 psi)
Rear: 15.0 kPa (0.150 kgf/cm², 2.2 psi)
Minimum:
Front:12.0 kPa (0.120 kgf/cm², 1.7 psi)
Rear:
12.0 kPa (0.120 kgf/cm², 1.7 psi)
Front wheel:Rim size:7 x 5.2ATRear wheel:Rim size:7 x 5.2ATFront brake:Type:
Mechanical leading, trailing drum brakeRear brake:Type:Mechanical leading, trailing drum brakeFront suspension:Type:Swing axle
Spring: Coil spring
Shock absorber:
Gas-hydraulic damper
Wheel travel: 60 mm (2.4 in)Rear suspension:Type:
Swingarm
Spring: Coil spring
Shock absorber: Gas-hydraulic damper
Wheel travel:
51 mm (2.0 in)
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Part locations ................................................................. 4-1RRiding your ATV ............................................................. 8-1SSafety information .......................................................... 3-1
Seat .............................................................................. 5-13
Shock absorber, rear ...................................................5-13
Spark arrester, cleaning ............................................... 9-19
Spark plug, checking .....................................................9-9
Specifications ............................................................... 11-1
Speed limiter .................................................................. 5-3
Starter (choke) .............................................................. 5-12
Start switch .................................................................... 5-2
Steering shaft, lubricating ............................................ 9-32
Storage ......................................................................... 10-2TThrottle lever .......................................................... 5-3, 6-3
Throttle lever free play, adjusting ................................. 9-22
Tires ............................................................................... 6-3
Transmission oil ................................................... 6-3, 9-15
Troubleshooting ........................................................... 9-37
Troubleshooting chart .................................................. 9-38VValve clearance ............................................................ 9-22
Vehicle identification number ......................................... 1-1WWheel hub bearings, checking ..................................... 9-30
Wheel, installing ........................................................... 9-36
Wheel, removing .......................................................... 9-36YYamalube ..................................................................... 9-14UBW464E0.book Page 2 Thursday, January 23, 2020 2:42 PM