Honda XL350R 1984 Shop Manual page 56

FU EL SVST EM
9. Apply Loctite® 601 or equivalent to the inside
of the limiter cap. Plaa the cap over the air
screw so that its
tab
rests against the stop, pre-
venting adjustment that would enrich the fuel
mixture (limiter cap position permits counter-
clockwise rotation and prevents clockwise rota-
tionl .
NOTE
• An air screw limiter cap must be installed.
It prevents misadjustment that could cause
poor performance and increased emissions .
• Be careful not to turn the air screw when
installing the limiter cep.
HIGH ALTITUDE ADJUSTMENT
(USA on ly)
When the vehicle is to be operated continuously
above 2,000 m (6,500 feetl the carburetors must be
readjusted as follows to improve dirveability and de-
crease exhaust emissions.
Warm up the engine to operating temperature. Stop
and go driving for 10 minutes is sufficient.
Remove the carburetor (page 4 ·3) and remove the
carburetor float chamber.
Remove the primary and secondary main jets and
install the new jet as shown.
Turn the air screw counterclockwise 1/2 turn.
Reassemble and install the carburetor.
Warm up the engine to operating temperature.
Stop and go driving for 10 minutes is sufficient.
Adjust the idle speed to 1,300
±
100 rpm with the
throttle SlOp screw.
NOTE
This adjustment must be made at high altitude
to ensure proper high altitude operation.
Attach a Vehicle EmilSion Control Information
Update label to the left frame cover as shown. Refer
to Service Bulletin SL # 132 for information on ob·
taining the label.
Operotion Qt on Qltilude
lo~r
thDn .5 ,000 fut
(1 • .500 m) with 1M mrburelOrs Qdjusled for
high altitudes moy muse the engine to idle
roughly Qnd stQII.
When the vehicle is to be operated continuously
below 5,000 feet (1,500 ml , turn air screw clock·
wise to its original position against its stop, Adjust
the idle speed to 1,300 ± 100 rpm. Be sure to do
these adjustments at low altitudp.
4-12
PRIMARY MAIN JET SECONDARY MAIN JET
MAIN JET SPECIFICATION
ALTITUOE
Above 2,000 m
(6,500 feet)
Below 1.500 m
15,OOD feetl
o
Main jets
Pri:
#105
2nd : # 102
Pri:
# 112
2nd :
#110
VEH ICLE EMISSION CONTROL
INFORMATION UPDATE LABEL