2021 YAMAHA YFM90R Owners Manual

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YAMAHA YFM90R 2021  Owners Manual 11-2
11
Engine oil:Recommended brand:
SAE viscosity grades:5W-30, 10W-30, 10W-40, 15W-40, 20W-40, 20W-50
Recommended engine oil grade: API service SG type or higher, JASO standard MA
Quantity: Oil cha

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YAMAHA YFM90R 2021  Owners Manual 11-3
11
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:A

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YAMAHA YFM90R 2021  Owners Manual 11-4
11
Electrical system:System voltage:12 V
Ignition system:
CDI
Charging system: AC magnetoBattery:Model:
GTX5L-BS
Voltage, capacity: 12 V, 4.0 AhLights:Neutral indicator light:
3.5 W
Reverse indic

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YAMAHA YFM90R 2021  Owners Manual 12-1
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INDEX
AAccessories and loading  ................................................ 7-6
Air filter element, cleaning ............................................ 9-15BBattery ....................

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YAMAHA YFM90R 2021  Owners Manual 12-2
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PParking ........................................................................... 7-5
Parking brake  ................................................................. 5-5
Parking on a slope

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YAMAHA YFM90R 2021  Owners Manual EBU33962
WARNING
ALWAYS
:
• use proper riding techniques to avoid 
  vehicle overturns on hills and rough 
  terrain  and in turns.
• avoid paved surfaces—pavement may 
  seriously affect handli
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