Arctic Cat 2018 ZR 200, Service Manual

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A739
8. Inspect the condition of the throttle return spring.
CHECKING FLOAT HEIGHT
1. Remove the cap screw securing the float chamber;
then remove the float chamber from the carburetor
and account for the rubber gasket.
2. With the carburetor in an upside-down position, lift
the float so the tip of the float lightly contacts the
float arm; then measure the float height from the
body of the carburetor and underside of the float.
Measurement should be 0.63".
IO108
ASSEMBLING
744-959A
1. Install the nozzle (H) and main jet (G) into the carbu-
retor tower.
2. Place the needle jet assembly (F) and the float (E)
into position and secure to the carburetor body with
the float pin (D).
3. Secure the float chamber w/rubber gasket to the car-
buretor with the cap screw (C).
4. Install the pilot jet (B).
5. Install the idle fuel adjuster screw (A) and rotate the
screw clockwise until lightly seated; then rotate the
screw counterclockwise the proper number of rota-
tions as noted during disassembling. Install the plas-
tic cap.
INSTALLING
1. Install the gasket; then with the governor rod
installed on the carburetor, place the carburetor into
position on the mounting studs.
2. Install the fuel supply hose on the carburetor using
the clamp.
ZR-168
CAUTION
Do not bend the float in an attempt to adjust the height.
Correct float height is obtained by replacing the needle
jet assembly and/or the float.
CAUTION
Do not force the idle fuel adjuster screw when rotating it
clockwise; damage to the screw taper and carburetor
orifice may result.