2004 Yamaha Motorsports Kodiak 450 Auto. 4x4 Owners Manual - Page 148

2004 Yamaha Motorsports Kodiak 450 Auto. 4x4 Manual

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EBU00296 EBU12580 Carburetor adjustment The carburetor is a vital part of the engine and requires very sophisticated adjustment. Most adjusting should be left to a Yamaha dealer who has the professional knowledge and experience to do so. However, the idling speed may be performed by the owner as a part of the usual maintenance routine. Idle speed adjustment NOTE: A diagnostic tachometer must be used for this procedure. _ _ CAUTION: The carburetor was set at the Yamaha factory after many tests. If the settings are disturbed by someone without sufficient technical knowledge, poor engine performance and damage may result. 1. Start the engine and warm it up for a few minutes at approximately 1,000 to 2,000 r/min. Occasionally rev the engine to 4,000 to 5,000 r/min. The engine is warm when it quickly responds to the throttle. 2. Remove panel D. (See pages 8-6-8-7 for removal and installation procedures.) 8-35

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8-35
EBU00296
Carburetor adjustment
The carburetor is a vital part of the engine and
requires very sophisticated adjustment. Most
adjusting should be left to a Yamaha dealer
who has the professional knowledge and ex-
perience to do so. However, the idling speed
may be performed by the owner as a part of
the usual maintenance routine.
CAUTION:
The carburetor was set at the Yamaha fac-
tory after many tests. If the settings are
disturbed by someone without sufficient
technical knowledge, poor engine perfor-
mance and damage may result.
EBU12580
Idle speed adjustment
NOTE:
_
A diagnostic tachometer must be used for this
procedure.
_
1.
Start the engine and warm it up for a few
minutes
at
approximately
1,000
to
2,000 r/min. Occasionally rev the engine
to 4,000 to 5,000 r/min. The engine is
warm when it quickly responds to the
throttle.
2.
Remove panel D. (See pages 8-6–8-7 for
removal and installation procedures.)