Yamaha Vmax VMX12N Owner's Manual page 29

V-Boost
The V-Boost is a vital part of the engine
and requires very sophisticated adjust-
ment. Adjustment should be left to a
Yamaha dealer who has the profes-
sional knowledge and experience to do
s o .
The V-Boost was set at the Yamaha
factory after many tests. If the set-
tings are changed by someone with-
out sufficient technical knowledge,
poor engine performance and dam-
age may result.
INSTRUMENT AND CONTROL FUNCTIONS
The V-Boost operation can be heard
when the main switch is turned on.
If the V-Boost does not operate, ask
a Yamaha dealer to inspect it.
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