Section 04
ENGINE
Subsection 11
(CARBURETOR AND FUEL PUMP)
04-11-7
Twin Carburetor Models Only
Repeat on the other one. This will ensure identical
throttle slide preliminary idle setting. Recheck car-
buretor synchronization. Adjust idle by turning
both idle speed screws the same amount.
All Models
Throttle slide must be flush or 1.0 mm (.040 in)
lower than the top of carburetor
oulet
bore (en-
gine side).
THROTTLE LEVER AGAINST HANDLE GRIP
1. Throttle cable adjuster
2. Throttle slide flush or 1.0 mm (.040 in) lower than carburetor
oulet bore (engine side)
Once carburetor adjustment is performed, check
that
with the throttle lever fully depressed
,
there is a free play between the carburetor cover
and top of throttle slide.
THROTTLE LEVER AGAINST HANDLE GRIP
1. Cover
2. Free play
3. Throttle slide
On twin-carburetor models: Recheck carburetor
synchronization.
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.
-
CAUTION
On twin carburetor models, make sure both
carburetors start to operate simultaneously.
Do not interchange carburetors, the jetting
may be different on each side. A red dot is
printed on one carburetor and on the en-
gine. Match the carburetor and the engine
dots when applicable.
-
CAUTION
On oil injection models, the oil injection
pump adjustment must be checked each
time carburetor is adjusted. Refer to OIL IN-
JECTION SYSTEM 04-06.
A01C3MA
1
2
◆
WARNING
This gap is very important. If the throttle
slide rests against the carburetor cover at
full throttle opening, this will create too
much strain and may damage the throttle
cable or other components in throttle mech-
anism.
-
CAUTION
On oil injection models, the oil injection
pump adjustment must be checked each
time carburetor is adjusted. Refer to OIL IN-
JECTION SYSTEM 04-06.
A00C3FA
1
2
3
Summary of Contents for Formula 500 1998
Page 1: ......
Page 358: ...SKANDIC WT SWT ANNEX 1 ...
Page 359: ......
Page 360: ......
Page 361: ...SKANDIC WT LC ANNEX 2 ...
Page 362: ......
Page 363: ......
Page 364: ...MX Z440 ANNEX 3 ...
Page 365: ......
Page 366: ......
Page 367: ......
Page 368: ......
Page 369: ...MX Z 500 583 670 ANNEX 4 ...
Page 370: ......
Page 371: ......
Page 372: ......
Page 373: ......
Page 374: ...FORMULA Z 583 670 ANNEX 5 ...
Page 375: ......
Page 376: ......
Page 377: ......
Page 378: ......
Page 379: ......
Page 380: ...FORMULA 500 DL 583 DL ANNEX 6 ...
Page 381: ......
Page 382: ......
Page 383: ......
Page 384: ......
Page 385: ......
Page 386: ...FORMULA 500 SUMMIT 500 583 670 ANNEX 7 ...
Page 387: ......
Page 388: ......
Page 389: ......
Page 390: ......
Page 391: ......
Page 392: ...GRAND TOURING 500 583 ANNEX 8 ...
Page 393: ......
Page 394: ......
Page 395: ......
Page 396: ......
Page 397: ......
Page 398: ......