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Ski-Doo Mach Z User Manual

Ski-Doo Mach Z
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Section 03 TROBLESHOOTING
Sub-Section 02 (FUEL AND OIL SYSTEMS)
03-02-1
FUEL AND OIL SYSTEMS 2
The following chart is provided to help in diagnosing the probable source of troubles. It should be used
as a guideline. Some causes or corrections may not apply to a specific model.
SYMPTOM HIGH FUEL CONSUMPTION (OR RICH MIXTURE).
CONDITION NORMAL USE.
Test / Inspection 1. Check fuel tank.
a. Perforated fuel tank.
Replace fuel tank.
2. Check fuel pump reservoir and carburetor fittings.
a. Leaking fittings.
Replace defective part.
3. Check primer.
a. Fuel flows through primer while engine runs.
Replace primer.
4. Check float height in carburetor(s).
a. Fuel level is too high in float bowl(s).
Adjust according to specifications (refer to TECHNICAL DATA 10).
5. Check needle valve.
a. Foreign particles prevent needle valve(s) from closing and / or worn seating area.
Clean or replace needle valve(s), then clean seating area.
6. Check H.A.C. system.
a. Connection to atmosphere is plugged.
Clean.
b. Leakage in H.A.C. to carburetor tube.
Replace.
c. Leak in H.A.C. sealed chamber.
Replace.
d. H.A.C. frozen.
Replace.
SYMPTOM FUEL LEAKS IN ENGINE BASE WHEN ENGINE IS STOPPED.
CONDITION NORMAL USE.
Test / Inspection 1. Check items 3, 4 and 5 of “High fuel consumption”.
2. Check fuel pump diaphragm.
a. Cracked diaphragm.
Replace.

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Ski-Doo Mach Z Specifications

General IconGeneral
Engine Displacement899 cc
Horsepower180 hp
Track Length137 inches
Track Width15 inches
Cylinders2
Engine Stroke2-Stroke
CoolingLiquid
Fuel SystemElectronic Fuel Injection (EFI)
Seating Capacity1
Fuel Capacity10.6 gallons
Brake SystemHydraulic

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