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1. Locknut
2. Control rod adjusting nut
2.
To increase weight transfer, turn the ad-
justing nut in direction (a), and to de-
crease weight transfer, turn it in direction
(b). WARNING! Never adjust the con-
trol rods beyond the maximum set-
ting, indicated by red paint; otherwise,
they could be damaged, which could
lead to an accident or injury.
5
1. Locknut
2. Control rod adjusting nut
3. Standard position
4. Adjustable range
5. Red paint area
3.
Tighten the locknut while holding the ad-
justing nut in place. NOTICE: Always
tighten the locknut against the adjust-
ing nut, and then tighten the locknut to
the specified torque.
Locknut tightening torque:
25 Nm (2.5 m·kgf, 18 ft·lbf)
ESU13820
EXUP system
This model is equipped with Yamaha's EXUP
(EXhaust Ultimate Power valve) system. This
system boosts engine power by means of a
valve that regulates the inner diameter of the
exhaust pipe. The EXUP system valve is con-
stantly adjusted in accordance with the en-
[EWS00173]
gine
servomotor.
ECS01020
NOTICE
The EXUP system has been set and exten-
sively tested at the Yamaha factory.
Changing these settings without sufficient
technical knowledge may result in poor
performance of or damage to the engine.
Control functions
1
2
3
4
speed
by
a
computer-controlled
[ECS00860]
35
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