Section 03 ENGINE
Sub-Section 09 (CARBURETOR AND FUEL PUMP)
03-09-7
THROTTLE LEVER AGAINST HANDLE GRIP
1. Cover
2. Free play
3. Throttle slide
WARNING : This gap is very important. If
the throttle slide rests against the carbu-
retor cover at full throttle opening, this will cre-
ate too much strain and may damage the
throttle cable or other components in throttle
mechanism.
On twin-carburetor models : Recheck carburetor
synchronization.
CAUTION : On oil injection models, the oil
injection pump adjustment must be
checked each time carburetor is adjusted. Re-
fer to OIL INJECTION SYSTEM 03-06.
PRELIMINARY IDLE SPEED
ADJUSTMENT
Adjust throttle slide height (see table) by turning
idle speed screw
no. 7
.
Final adjustment (engine running at idle speed)
should be within 1/2 turn of idle speed screw from
preliminary adjustment.
TYPICAL
1. Drill bit used as gauge for throttle slide height
IDLE SPEED FINAL ADJUSTMENT
7, Idle Speed Screw
Start engine and allow it to warm then adjust idle
speed to specifications by turning
idle speed
screw clockwise to increase engine speed or
counterclockwise to decrease it.
NOTE : On twin-carburetor models :
Turn
adjustment screw the same amount to keep
carburetors synchronized.
Refer to TECHNICAL DATA 09 for the specifica-
tions.
CAUTION : Do not attempt to set the idle
speed by using the air screw. Severe en-
gine damage can occur.
A00C3FA
1
2
3
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Models
Throttle Slide height
mm (in)
Tundra II LT,
Skandic 380,
Touring E / LE / SLE,
Formula S,
Alpine II
1.3 (.051)
Touring SLE,
Skandic 500,
Formula SL
1.5 (.059)
Touring LE 1.6 (.063)
A01C3NA
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