High Altitude Adjustment - Honda 86-87 TA200 FATCAT Service Manual

2. Warm the engine up 10 operatIng t emperature.
3. Stop the engine and connect a tachometer.
4. Start the engine and adjust the idle speed with the throttle
stop screw.
IDLE SPEED: 1.400
±
100 rpm
5. Turn the air screw in or out slowly to obtain the highest
engine speed.
6 . Readjust the idle speed to the specified value with the throt-
tle stop screw.
7. Make sure that the engine does not miss or run erratically.
Repeat
steps 5 and 6 until engine speed increases smooth-
IV·
8. readjust the idle speed with the throttle stop screw.
HIGH ALTITUDE ADJUSTMENT
SPECIFICATIONS
Below Above
6,000 ft (1,800 ml 5,000 ft 11,500 ml
Main jet #95
#88
The carburetor must be adjusted for high altitude riding (above
6,000 It/l.BOO
m).
STANDARD SETTING : 6, 000 111 1,800 m ) m ax .
HIGH ALTITUDE SETTING : 5,00 0 ft 11 ,500 m ) min .
The hIgh altitude carburetor adjustment is performed as fol·
lows:
Remove the seat and SIde covors.
Turn the fuel valve off and disconnect the fuel line from the
carburetor.
Remove the carburetor ~page 4 -6).
Remove the three attaching screws and float chamber.
Replace the standard main jet with the high altitude size 1#88 ).
Assemble and install the carburetor.
Start the engine and adjust the idle speed at high altitude to
ensure proper high altitude operation.
CAUTION
S/iSToined operation below 5,0Q0
II
(I ,5(J() mj with the high a/Ii·
rude setlings may couse engine ow!'rheOfing and engine damage.
Install the #98 main jet when riding below 5,000
II
(I,5(J() rIIj.
FUEL SYSTEM
III MAIN JET
L
•
4-11