Fuel/Lubrication/Cooling; Carburetor Specifications (350); Electric Choke; Tachometer - Arctic Cat 350 2011 Service Manual

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Fuel/Lubrication/Cooling

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.
Description
Electric Choke Test Harness
Oil Pressure Test Kit

Tachometer

NOTE: Special tools are available from the Arctic
Cat Service Parts Department.
Carburetor
Specifications (350)
Carburetor
Main Jet
Slow Jet
Pilot Screw Setting (turns)
Jet Needle
Idle RPM (engine warm)
Starter Jet
Float Height
Throttle Cable Free-Play (at lever)

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
carburetor 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.
4-2
p/n
0444-247
0644-495
0644-275
Keihin CVK34
112
38
2 1/2
NLGB
1250-1350
75
17 mm
3-6 mm (1/8-1/4 in.)
www.mymowerparts.com
Manual
Table of Contents
2. With the choke at room temperature (approxi-
mately 70° F), measure plunger extension. Mea-
surement (A) should be 18.6-19.1 mm.
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 mea-
sure plunger extension. Measurement (B) should
be 22.1-23.4 mm.
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
carburetor being careful not to damage the
plunger.
Section
Table of Contents
KC328A
KC328B
KC328C