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Просмотр инструкции снегоходы Ski Doo SUMMIT 2005, страница 1037
Section 03 ENGINES (2-STROKE)
Subsection 10 (FUEL SYSTEM)
E-Clip and Needle
Remove screws from needle retaining plate to re-
move the needle no. 3.
The position of the needle in the throttle slide is
adjustable by means of an E-clip no. 2 inserted
into 1 of 5 grooves located on the upper part of
the needle. Position 1 (at top) is the leanest, 5 (at
bottom) the richest.
NOTE: The last digit of the needle identification
number gives the recommended position of the
E-clip from the top of the needle.
A00C6FA
EXAMPLE:
6DH4-3
Needle
identification
Recommended
position of the E-clip
from top
A00B2GA
1
2
3
4
5
Lean
Rich
CLIP POSITIONS
Main Jet
Themainjetno. 8 installed in the carburetor has
been selected for a temperature of - 20°C(0°F)
at sea level. Different jetting can be installed to
suit temperature and/or altitude changes. A ser-
vice bulletin will give information about calibration
according to altitude and temperature.
CARBURETOR ADJUSTMENTS
NOTE: For high altitude regions, a Service Bulletin
will give information about calibration according to
altitude and temperature.
Adjustments should be performed following this
sequence:
– float arm
– air screw no. 6 adjustment
– throttle slide no. 5 height (preliminary idle
speed adjustment)
– throttle cable adjustment
– carburetor synchronization (dual carburetor
models)
– final idle speed adjustment (engine running)
– oil pump and carburetor synchronization.
Float Arm
CAUTION: Spark plugs will foul if float is ad-
justed too low. Engine may be damaged if float
is adjusted too high.
Correct fuel level in float chamber is vital toward
maximum engine efficiency. To check for correct
float level proceed as follows:
– Make sure that float arm no. 9 is symmetrical
— not distorted.
– Remove float bowl and gasket from carburetor.
– With carburetor chamber upside-down on a lev-
el surface, measure height A between bowl
seat and top edge of float arm. Keep ruler per-
fectly vertical and in line with main jet hole.
A01C5AC
1
A
TYPICAL
1. Measure from top of float arm
A. Float height (including float arm thickness)
166 mmr2005-019
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