![Arctic Cat ZR 6000 R SNOCROSS 2015 Operator'S Manual Download Page 71](http://html1.mh-extra.com/html/arctic-cat/zr-6000-r-snocross-2015/zr-6000-r-snocross-2015_operators-manual_2965383071.webp)
67
AH617D
RS002A
9. Place the top cap and gasket on the mixing body;
then secure with the screws (with washers).
RS001A
NOTE: If the lever assembly was loosened from
the throttle lever shaft, the carburetors must be
synchronized.
Adjusting Carburetors
Adjusting Choke Free-Play
1. Be sure ignition switch key is in the OFF position
and the brake lever lock is set.
2. Loosen the jam nut securing each choke adjuster.
0732-848
3. Slowly rotate the choke adjuster while checking
the choke for free-play. As soon as all free-play
has been removed from the end of the choke, stop
rotating the adjuster.
4. With free-play removed from the choke, slowly
rotate the adjuster again while checking the choke
for free-play. Adjust until a small amount of free-
play is attained. Securely tighten the jam nut.
5. Repeat steps 3 and 4 on the other carburetor.
Synchronizing Throttle Valves
1. With the throttle in the idle position, select a small
drill bit that will just fit under the cutaway of the
fixed throttle valve.
2. Using the same drill bit, check the clearance under
the adjustable throttle valve cutaway. If clearance
is different from the first carburetor checked,
adjust the throttle valve by loosening the lever ring
locking screw; then using an open-end wrench,
rotate the synchronizing nut in either direction
until the clearance is the same as the first carbure-
tor checked.
0734-445
3. After synchronization has been attained, hold the
synchronizing nut with the open-end wrench and
tighten the lever ring locking screw.
Adjusting Fuel Mixture Screws
1. While counting the turns, carefully rotate the fuel
mixture screws clockwise until lightly seated.
CAUTION
The air-intake silencer and boots must be in position
whenever the engine is run. If the silencer is removed
and the engine is run, a lean condition will result.
Therefore, DO NOT run the engine when the air-intake
silencer is removed.