Ski-Doo Mach Z User Manual

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 pump adjustment must 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
1
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
1

Ski-Doo Mach Z Specifications

General

Engine Displacement	899 cc
Horsepower	180 hp
Track Length	137 inches
Track Width	15 inches
Cylinders	2
Engine Stroke	2-Stroke
Cooling	Liquid
Fuel System	Electronic Fuel Injection (EFI)
Seating Capacity	1
Fuel Capacity	10.6 gallons
Brake System	Hydraulic