Fuel/Lubrication/Cooling NOTE: Arctic Cat recommends the use of new gaskets, lock nuts, and seals and lubricating all internal components when servicing the engine/transmission. SPECIAL TOOLS
A number of special tools must be available to the technician when performing service procedures in this section. Refer to the current Special Tools Catalog for the appropriate tool description. NOTE: When indicated for use, each special tool
will be identified by its specific name, as shown in the chart below, and capitalized. Description Electric Choke Test Harness
p/n
KC328B
3. Connect Electric Choke Test Harness to the choke connector and a suitable 12 DC volt power supply for 2-3 minutes. Disconnect the power and measure plunger extension. Measurement (B) should be 22.1-23.4 mm.
0444-247
Oil Pressure Test Kit
0644-495
Tachometer
0644-275
NOTE: Special tools are available from the Arctic Cat Service Department.
Electric Choke REMOVING
1. Disconnect the electric choke connector from the wiring harness; then remove the screw securing the choke body to the carburetor.
KC328C
2. Carefully remove the choke assembly from the carburetor taking care not to force the plunger from the carburetor body.
INSTALLING
INSPECTING/TESTING
1. Inspect the plunger (A) for scoring or scratches, the needle (B) for damage to the tip, the spring (C) for breakage, and the O-ring (D) for breaks.
4. If the choke is damaged or the measurements are not within specifications, the choke must be replaced. 1. Lightly lubricate the O-ring on the choke body; then carefully insert the choke assembly into the carburetor being careful not to damage the plunger. 2. Secure the choke with the screw and tighten securely; then connect the choke connector to the wiring harness.
Carburetor ! WARNING Whenever any maintenance or inspection is performed on the fuel system during which there may be fuel leakage, there should be no welding, smoking, open flames, etc., in the area.
REMOVING KC328A
2. With the choke at room temperature (approximately 70° F), measure plunger extension. Measurement (A) should be 18.6-19.1 mm.
1. Remove the gas tank (see Gas Tank in this section). 2. Disconnect the intake air housing boot from the carburetor; then slide the intake air housing to the rear to clear the carburetor.
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