Ski-Doo FORMULA III, Shop Manual

Page: 165 / 356

Section 04 ENGINE
Sub-Section 11 (CARBURETOR AND FUEL PUMP)
04-11-9
THROTTLE LEVER AGAINST HANDLE GRIP
1. Cover
2. Free play
3. Throttle slide
WARNING : This gap is very important. If
the throttle slide rests against the carbu-
retor cover at full throttle opening, this will cre-
ate too much strain and may damage the
throttle cable or other components in throttle
mechanism.
On twin-carburetor models : Recheck carburetor
synchronization.
CAUTION : On oil injection models, the oil
injection pu mp adjustment m ust be
checked each time carburetor is adjusted. Re-
fer to OIL INJECTION SYSTEM 04-06.
PRELIMINARY IDLE SPEED
ADJUSTMENT
Adjust throttle slide height (see table) by turning
idle speed screw
no. 7 .
Final adjustment (engine running at idle speed)
should be within 1/2 turn of idle speed screw from
preliminary adjustment.
TYPICAL
1. Drill bit used as gauge for throttle slide height
IDLE SPEED FINAL ADJUSTMENT
7, Idle Speed Screw
Check idle speed screw straightness. Replace as
necessary.
Start engine and allow it to warm then adjust idle
speed to specifications by turning
idle speed
screw clockwise to increase engine speed or
counterclockwise to decrease it.
A00C3FA
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2
3
;
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Models
Throttle Slide Height
±
0.2 mm (
±
0.008 in)
MX Z 440 1.8 (.071)
MX Z 583 1.5 (.059)
MX Z 670 2.1 (.083)
Summit 583 / 670 2.3 (.090)
Formula Z 1.8 (.071)
Formula SS 1.9 (.074)
Formula III / III LT 1.2 (.047)
Mach Z / Z LT 1.4 (.055)
Skandic WT 1.3 (.051)
A01C3NA
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