Arctic Cat CFR 800 2010 Operator's Manual page 50

2. Loosen the jam nut securing each
choke cable adjuster. Rotate each
choke cable adjuster clockwise
until it bottoms against the brass
plunger cap.
3. Slowly rotate one choke cable
adjuster counterclockwise while
checking the choke lever for free-
play. As soon as all free-play has
been removed from the end of the
lever, stop rotating the adjuster.
4. With free-play removed from the
lever, slowly rotate each choke
cable adjuster once again clock-
wise while checking the choke
cable lever for free-play. Adjust
until 3 mm (1/8 in.) free-play
between front bottom edge of lever
and housing is attained. Securely
tighten the adjuster jam nut.
 NOTE: If a carburetor choke
cable is adjusted too tight, the
engine will only operate on one
cylinder at idle.
46
Synchronizing Piston
Valves
1. Remove the air-intake silencer
boots from the silencer to access
the intake bores.
2. Rotate the idle speed screws coun-
terclockwise until all spring ten-
sion is removed.
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3. Loosen the jam nut securing each
throttle cable swivel adapter; then
rotate each swivel adapter clock-
wise until each piston valve bot-
toms in the piston valve bore.
4. In turn on each carburetor, place a
finger lightly against the side of
the piston valve; then rotate the
carburetor swivel adapter counter-
clockwise until slight upward
movement of the valve is noted.
5. Check to make sure the valves
start to open at the exact same
moment by placing a thumb and
finger against the valves; then
lightly compress the throttle lever.
 NOTE: If an individual piston
valve
another, rotate the swivel adapter
on the valve which is lifting first
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clockwise, just enough to synchro-
nize the valves. Recheck by repeat-
ing steps 2-5.
6. With the piston valves synchro-
nized, tighten the swivel adapter
jam nuts securely. Slide the rubber
throttle cable caps down over the
swivel adapters.
starts to open
MAINTENANCE
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before