63
Fuel/Lubrication/Cooling
SPECIAL TOOLS
A number of special tools must be available to the techni-
cian when performing service procedures in this section.
Refer to the current Special Tools Catalog for the appro-
priate tool description.
NOTE: Special tools are available from the Arctic
Cat Service Parts Department.
Carburetor
Specifications
Electric Choke
REMOVING
1. Disconnect the electric choke connector from the
wiring harness; then remove the screw securing the
choke body to the carburetor.
2. Carefully remove the choke assembly from the car-
buretor taking care not to force the plunger from the
carburetor body.
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.
KC328A
2. With the choke at room temperature (approximately
70° F), measure plunger extension. Measurement
(A) should be 18.6-19.1 mm.
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.
KC328C
4. If the choke is damaged or the measurements are not
within specifications, the choke must be replaced.
INSTALLING
1. Lightly lubricate the O-ring on the choke body; then
carefully insert the choke assembly into the carbure-
tor 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.
Description
p/n
Electric Choke Test Harness
0444-247
Oil Pressure Test Kit
0644-495
Tachometer
0644-275
Carburetor
Keihin CVK34
Main Jet
112
Slow Jet
38
Pilot Screw Setting (turns)
2 1/2
Jet Needle
NLGB
Idle RPM (engine warm)
1250-1350
Starter Jet
75
Float Height
17 mm
Throttle Cable Free-Play (at lever)
3-6 mm (1/8-1/4 in.)
Manual
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