2017 YAMAHA YFM90 Owners Manual

Page 65 of 130

YAMAHA YFM90 2017  Owners Manual 7-5
7
Pre-operation checks
Always inspect your ATV before use to make sure
that it is safe operating condition. Perform the pre-
operation checks listed on page 5-1. Follow the
maintenance schedules a

Page 66 of 130

YAMAHA YFM90 2017  Owners Manual 7-6
7adjusting screw back in again and adjust it out in
stages as you did before. For engine speed limiter
plate removal instructions, see page 4-4.
Loading and accessories
WARNING
EWB00973Improper lo

Page 67 of 130

YAMAHA YFM90 2017  Owners Manual 7-7
7
During operation
Always keep your feet on the footboards during
operation; otherwise, they may contact the rear
wheels. 
WARNING! Removing even one hand or
foot can reduce your ability to contro

Page 68 of 130

YAMAHA YFM90 2017  Owners Manual 7-8
7modifications may cause changes in handling
which in some situations could lead to an acci-
dent.
 [EWB01492]
Exhaust system
WARNING
EWB01502
Dry grass or brush or other combustible ma-
terial

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YAMAHA YFM90 2017  Owners Manual 7-9
7
BE CAREFUL WHERE YOU RIDE
This ATV is designed for use on unpaved surfaces
only. 
WARNING! Paved surfaces may seriously
affect handling and control of the ATV, and
may cause the ATV to go out of

Page 70 of 130

YAMAHA YFM90 2017  Owners Manual 7-10
7bumps, or holes. Go slowly and be extra care-
ful when operating on unfamiliar terrain. Al-
ways be alert to changing terrain conditions
when operating the ATV.
 [EWB01532]
Do not operate on rou

Page 71 of 130

YAMAHA YFM90 2017  Owners Manual 7-11
7
Do not ride in areas posted “no trespassing”.
Do not ride on private property without getting
permission. Select a large, flat, unpaved area to become famil-
iar with your ATV. Make sure th

Page 72 of 130

YAMAHA YFM90 2017  Owners Manual 7-12
7abruptly, the vehicle may lurch forward or the front
wheels may lift off the ground, resulting in a loss of
directional control. Avoid higher speeds until you
are thoroughly familiar with the op