Yamaha BRUIN YFM35FAV Owner's Manual page 42

NOTE:
_
A special wrench can be obtained at a
Yamaha dealer to make this adjustment.
_
Standard position: 2
1 - Minimum (soft)
5 - Maximum (hard)
1. Special wrench
EBU00112
WARNING
Indicates a potential hazard that could
result in serious injury or death.
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