BOMBARDIER ski-doo Tundra Scandic 2004 Series, Shop Manual, Page: 211 / 427

Section 04 ENGINE
Subsection 11 (CARBURETOR AND FUEL PUMP)
MMR2004-120_04_11A.FM
04-11-7
To Adjust Height H
– Bend the contact tab of float arm until the spec-
ified height is reached.
1. Contact tab
CARBURETOR ADJUSTMENTS
Adjustments should be performed following this
sequence:
– air screw adjustment
– throttle slide height
(preliminary idle speed adjustment)
– throttle cable adjustment
– carburetor synchronization
(dual carburetor models)
– final idle speed adjustment (engine running)
– oil pump and carburetor synchronization.
1. Idle speed screw
2. Air screw
6, Air Screw
Completely close the air screw (until a slight seat-
ing resistance is felt) then back off as specified.
Turning screw in clockwise enriches mixture and
conversely, turning it out counterclockwise leans
mixture.
Refer to TECHNICAL DATA for the specifications.
Throttle Slide Height
Preliminary Idle Speed Adjustment
Hook throttle cable into the needle retainer plate.
NOTE: Do not obstruct hole in throttle slide when
installing needle retaining plate. This is important
to let air escape through and thus allow a quick
response.
CENTER POST TYPE
1. Throttle cable
2. Needle retaining plate
3. Throttle slide
Make sure the nylon packing no. 4 is installed on
all applicable throttle slides.
CAUTION: Serious engine damage can occur if
this notice is disregarded.
A00C03A
1
A02C09A
2
1
A00C1TA
1
2
3