8-7
ESU01523
Carburetor adjustment
CAUTION:
@
●
Be sure to have a Yamaha dealer make this
adjustment.
●
Make sure that the carburetor silencer is installed
before running to prevent engine damage.
@
Under some operating conditions, the carburetor setting
may have to be changed due to air temperature changes,
elevation changes, use of alcohol-oxygenated fuels, etc.,
and should be set by a Yamaha dealer.
CAUTION:
@
The drive chain gears and V-belt clutch should be
adjusted when operating over a high altitude of
900 m (3,000 ft). Consult a Yamaha dealer.
@
Pilot screw adjustment
Turn the pilot screw in or out to adjust low speed tuning.
CD-02E
Standard pilot screw position:
1 1/4 turns out from the seated position.
Pilot screw
Mixture
Condition
Turn in
Lean
Warm weather
High altitude
Turn out
Rich
Cold weather
Low altitude
U8AC1B.book Page 7 Thursday, April 8, 2004 12:57 PM
Summary of Contents for VK540EK
Page 1: ...OWNER S MANUAL SNOWMOBILE VK540EK ...
Page 2: ......
Page 8: ...1 1 ESU00040 1 YAMAHA MOTOR CORPORATION U S A SNOWMO BILE LIMITED WARRANTY CW 01E ...
Page 9: ...1 2 CW 02E ...
Page 10: ...1 3 CW 03E ...
Page 11: ...1 4 ESU04280 YAMAHA EXTENDED SERVICE Y E S CW 06E ...
Page 76: ......