wheel YAMAHA YFM90R 2020 Owner's Manual

10-1
10
EBU25963
SPECIFICATIONS
Dimensions:Overall length:1485 mm (58.5 in)
Overall width: 1020 mm (40.2 in)
Overall height:
955 mm (37.6 in)
Seat height: 750 mm (29.5 in)
Wheelbase: 1030 mm (40.6 in)
Ground clearance:
210 mm (8.3 in)
Minimum turning radius: 3.0 m (9.84 ft)
Maximum water depth: 20 cm (8 in)Weight:Curb weight:126.5 kg (279 lb)Loading:Maximum loading limit:
82.0 kg (181 lb)
(Total weight of rider, cargo, accessories, and tongue)Noise and vibration level:Noise level (77/311/EEC):73.0 dB(A) at 3500 r/min Uncertainty of measurement:
0.4 dB(A)
Vibration on seat (EN1032, ISO5008): 1.5 m/s²
Uncertainty of measurement: 0.3 m/s²
Vibration on handle (EN1032, ISO5008):
5.2 m/s²
Uncertainty of measurement: 1.3 m/s²
Engine:Combustion cycle:
4-stroke
Cooling system: Air cooled
Valve train: SOHC
Number of cylinders:
Single cylinder
Displacement: 90 cm³
Bore × stroke:
47.0 × 51.8 mm (1.85 × 2.04 in)
Compression ratio:
9.2 : 1
Starting system: Electric starter and kickstarter
Lubrication system: Wet sump
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Transmission type:CVT automatic with reverse
Gear ratio: Transmission ratio: 2.570–0.851 : 1
Forward gear: 8.292 (49/15 x 33/13)
Reverse gear:
25.395 (49/15 x 49/16 x 33/13)Front tire:Size:AT18 x 7-8
Manufacturer/model:
DURO/DI2017Rear tire:Size:AT18 x 9-8
Manufacturer/model:
DURO/DI2016Tire air pressure (measured on cold tires):Vehicle load:0.0–82.0 kg (0–181 lb)
Recommended:
Front: 25.0 kPa (0.250 kgf/cm², 3.6 psi)
Rear:
25.0 kPa (0.250 kgf/cm², 3.6 psi)
Minimum: Front:
22.0 kPa (0.220 kgf/cm², 3.2 psi)
Rear: 22.0 kPa (0.220 kgf/cm², 3.2 psi)
Front wheel:Rim size:8 x 5.5ATRear wheel:Rim size:8 x 5.5ATFront 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: 126 mm (5.0 in)Rear suspension:Type:
Swingarm
Spring: Coil spring
Shock absorber: Gas-hydraulic damper
Wheel travel:
145 mm (5.7 in)
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12
PParking ........................................................................... 6-5
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 .............................................................................. 4-13
Shock absorber, rear ................................................... 4-15
Shock absorbers, front ................................................ 4-13
Spark arrester, cleaning ............................................... 8-18
Spark plug, checking ..................................................... 8-9
Specifications .............................................................. 10-1
Speed limiter .................................................................. 4-3
Starter (choke) ............................................................. 4-12
Start switch .................................................................... 4-2
Steering shaft, lubricating ............................................ 8-31
Storage .......................................................................... 9-2TThrottle lever ...........................................................4-2, 5-3
Throttle lever free play, adjusting ................................ 8-20
Tires ............................................................................... 5-3
Transmission .................................................................. 5-3
Transmission oil ........................................................... 8-14
Troubleshooting ........................................................... 8-36
Troubleshooting chart .................................................. 8-37VValve clearance ............................................................ 8-21Vehicle identification number ...................................... 11-1
WWheel hub bearings, checking .................................... 8-29
Wheel, installing ........................................................... 8-35
Wheel, removing .......................................................... 8-35YYamalube ..................................................................... 8-13
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