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8-49
EBU00296
Carburetor adjustment
The carburetor is a vital part of the engine and re-
quires very sophisticated adjustment. Most adjust-
ing 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 rou-
tine.
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.
U4SH6B.book Page 49 Tuesday, May 27, 2003 4:39 PM
Summary of Contents for BIG BEAR YFM400FPS
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Page 172: ...7 1 3 Riding Your ATV U4SH6B book Page 1 Tuesday May 27 2003 4 39 PM ...
Page 173: ...7 2 7 Conduite du VTT Conducción del ATV U4SH6B book Page 2 Tuesday May 27 2003 4 39 PM ...
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Page 390: ...B6 fm Page 1 Monday June 18 2001 11 18 AM ...